Date: Thu, 29 Oct 20 00:40:03 GMT Subject: hep-ph daily 18 new + 7 crosses received by eprepget ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Send any comments regarding submissions directly to submitter. ------------------------------------------------------------------------------ Archives at http://arxiv.org/ To unsubscribe, e-mail To: hep-ph@arXiv.org, Subject: cancel ------------------------------------------------------------------------------ received by eprepget from Tue 27 Oct 20 18:00:00 GMT to Wed 28 Oct 20 18:00:00 GMT ------------------------------------------------------------------------------ \\ arXiv:2010.14522 Date: Tue, 27 Oct 2020 18:00:04 GMT (4142kb,D) Title: Resonant Sub-GeV Dirac Dark Matter Authors: Elias Bernreuther, Saniya Heeba, Felix Kahlhoefer Categories: hep-ph astro-ph.CO Comments: 19 pages, 7 figures + appendices Report-no: P3H-20-062, TTK-20-38 \\ We study the phenomenology and detection prospects of a sub-GeV Dirac dark matter candidate with resonantly enhanced annihilations via a dark photon mediator. The model evades cosmological constraints on light thermal particles in the early universe while simultaneously being in reach of current and upcoming terrestrial experiments. We conduct a global analysis of the parameter space , considering bounds from accelerator and direct detection experiments, as well as those arising from Big Bang Nucleosynthesis, the Cosmic Microwave Background and dark matter self-interactions. We also extend our discussion to the case of a dark matter subcomponent. We find that large regions of parameter space remain viable even for the case of a moderate resonant enhancement, and demonstrate the complementarity of different experimental strategies for further exploring this scenario. \\ ( https://arxiv.org/abs/2010.14522 , 4142kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14525 Date: Tue, 27 Oct 2020 18:00:07 GMT (1244kb,AD) Title: Two-Loop Five-Parton Leading-Colour Finite Remainders in the Spinor-Helicity Formalism Authors: Giuseppe De Laurentis, Daniel Ma\^itre Categories: hep-ph Comments: 21 page, 4 figures Report-no: FR-PHENO-2020-017, IPPP/20/50 \\ We present all two-loop five-parton leading-colour finite remainders in the spinor-helicity formalism by analysing numerical evaluations of their known expressions in terms of Mandelstam invariants. Recasting them in terms of spinor-helicity variables allows us to obtain expressions which are more compact, faster to evaluate, numerically more stable and manifestly free from poles of higher order than necessary. At the same time, due to the better scaling of our reconstruction strategy with the complexity of the input, we required one order of magnitude fewer numerical samples to complete the analytical reconstruction than were needed by the authors of Ref. \cite{Abreu:2019odu}, albeit using higher numerical working precision. This places our reconstruction technique as an alternative to the finite-field single-numerator reconstruction for future applications. \\ ( https://arxiv.org/abs/2010.14525 , 1244kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14545 Date: Tue, 27 Oct 2020 18:29:49 GMT (1711kb,D) Title: Astrophysical constraints on non-standard coherent neutrino-nucleus scattering Authors: Anna M. Suliga, Irene Tamborra (Niels Bohr Institute) Categories: hep-ph astro-ph.HE Comments: 16 pages, including 10 figures \\ The exciting possibility of detecting supernova, solar, and atmospheric neutrinos with coherent neutrino-nucleus scattering detectors is within reach, opening up new avenues to probe New Physics. We explore the possibility of constraining non-standard coherent neutrino-nucleus scattering through astrophysical neutrinos. Sensitivity bounds on the mass and coupling of the new mediator are obtained by inspecting the modifications induced by the new interaction on the recoil rate observable in the upcoming RES-NOVA and DARWIN facilities. Under the assumption of optimal background tagging, the detection of neutrinos from a galactic supernova burst, or one-year exposure to solar and atmospheric neutrinos, will place the most stringent bounds for mediator couplings $g \gtrsim 10^{-5}$ and mediator masses between 1 and 100 MeV. A similar, but slightly improved, potential to COHERENT will be provided for larger mediator masses. In particular, RES-NOVA and DARWIN may potentially provide one order of magnitude tighter constraints than XENON1T on the mediator coupling. Non-standard coherent neutrino-nucleus scattering may also force neutrinos to be trapped in the supernova core; this argument allows to probe the region of the parameter space with $g \gtrsim 10^{-4}$, which is currently excluded by other coherent neutrino-nucleus scattering facilities. \\ ( https://arxiv.org/abs/2010.14545 , 1711kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14547 Date: Tue, 27 Oct 2020 18:36:26 GMT (2503kb,D) Title: Probing the $H^\pm W^\mp Z$ interaction at the high energy upgrade of the LHC Authors: Amit Adhikary, Nabarun Chakrabarty, Indrani Chakraborty, Jayita Lahiri Categories: hep-ph hep-ex Comments: 34 pages, 42 figures and 17 tables \\ An $H^\pm W^\mp Z$ interaction at the tree level is common feature of new physics models that feature scalar triplets. In this study, we aim to probe the strength of the aforementioned interaction in a model-agnostic fashion at the futuristic 27 TeV proton-proton collider. We assume that the $H^\pm$ couples dominantly to ($W^\pm,Z$) and ($t,b$). We specifically study the processes that involve the $H^\pm W^\mp Z$ vertex at the production level, that is, $p p \to H^\pm j j$ and $p p \to Z H^\pm$. Moreover, we look into both $H^\pm \to W^\pm Z,~t b$ decays for either production process. Our investigations reveal that the $H^\pm j j$ production process has a greater reach compared to $Z H^\pm$. Moreover, the discovery potential of a charged Higgs improves markedly with respect to the earlier studies corresponding to lower centre-of-mass energies. Finally, we recast our results in the context of the popular Georgi-Machacek model. \\ ( https://arxiv.org/abs/2010.14547 , 2503kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14554 Date: Tue, 27 Oct 2020 18:51:10 GMT (4338kb,D) Title: Anomaly Detection for Physics Analysis and Less than Supervised Learning Authors: Benjamin Nachman Categories: hep-ph hep-ex physics.data-an Comments: 22 pages, 7 figures. To appear in "Artificial Intelligence for Particle Physics", World Scientific Publishing Co \\ Modern machine learning tools offer exciting possibilities to qualitatively change the paradigm for new particle searches. In particular, new methods can broaden the search program by gaining sensitivity to unforeseen scenarios by learning directly from data. There has been a significant growth in new ideas and they are just starting to be applied to experimental data. This chapter introduces these new anomaly detection methods, which range from fully supervised algorithms to unsupervised, and include weakly supervised methods. \\ ( https://arxiv.org/abs/2010.14554 , 4338kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14569 Date: Tue, 27 Oct 2020 19:21:01 GMT (6kb) Title: Coulomb-nuclear interference in proton-proton scattering: Reply to a comment of V.\ Petrov Authors: Loyal Durand and Phuoc Ha Categories: hep-ph Comments: 4 pages \\ We show that the remarks of V.\ Petrov in the preceding Comment are misdirected in the region of very small momentum transfers relevant to the study of Coulomb-nuclear interference in proton-proton scattering, and clarify the connection between our results and those of Cahn and of Kundr\'{a}t and Lokaji\v{c}ek which he cites. \\ ( https://arxiv.org/abs/2010.14569 , 6kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14581 Date: Tue, 27 Oct 2020 19:44:34 GMT (87kb) Title: Multi-messenger cosmology of new physics Authors: Maxim Yu. Khlopov Categories: hep-ph astro-ph.CO gr-qc hep-th Comments: Plenary talk at ICPPA2020 conference \\ The observational evidence for the inflationary cosmology with baryosynthesis and dark matter/energy can be viewed as the messenger for new physics, which governed the Universe origin, evolution and structure. To specify the physics beyond the Standard model (BSM), underlying the modern cosmological paradigm additional model dependent messengers are proposed, involving multi-component and composite dark matter, meta-stable particles, primordial black holes and antimatter domains in baryon asymmetrical Universe. \\ ( https://arxiv.org/abs/2010.14581 , 87kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14621 Date: Tue, 27 Oct 2020 21:09:07 GMT (86kb,D) Title: Gravitino thermal production revisited Authors: Helmut Eberl, Ioannis D. Gialamas, Vassilis C. Spanos Categories: hep-ph astro-ph.CO hep-th Comments: 6 pages, 3 figures \\ We calculate the gravitino production rate, computing its one-loop thermal self-energy. Gravitino production processes that do not result through thermal cuts of its self-energy, have been identified and taken into account. Correcting analytical errors and numerical approximations in the previous calculations, we present our result. This deviates from the latest estimation by almost 10\%. More importantly, we provide a convenient formula, for calculating the gravitino production rate and its thermal abundance, as a function of the reheating temperature of the Universe. \\ ( https://arxiv.org/abs/2010.14621 , 86kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14642 Date: Tue, 27 Oct 2020 22:08:38 GMT (481kb,D) Title: Thermodynamic properties of the trigonometric Rosen-Morse potential and applications to a quantum gas of mesons Authors: Aram Bahroz Brzo and David Alvarez-Castillo Categories: hep-ph astro-ph.HE nucl-th quant-ph Comments: 24 pages, 9 figures \\ In this study we work out thermodynamic functions for a quantum gas of mesons described as color-electric charge dipoles. They refer to a particular parametrization of the trigonometric Rosen-Morse potential which allows to be transformed to a perturbation of free quantum motion on the three-dimensional hyper-sphere, $S^{3}$, a manifold that can host only charge-neutral systems, the charge dipoles being the configuration of the minimal number of constituents. To the amount charge neutrality manifests itself as an important aspect of the color confinement in the theory of strong interaction, the Quantum Chromodynamics. We expect our findings to be of interest to the evaluation of temperature phenomena in the physics of hadrons and in particular in a quantum gas of color charge dipoles as are the mesons. The results are illustrated for $f_0$ and $J/\psi$ mesons. \\ ( https://arxiv.org/abs/2010.14642 , 481kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14748 Date: Wed, 28 Oct 2020 04:53:41 GMT (118kb,D) Title: Lipatov's QCD high energy effective action: past and future Authors: Martin Hentschinski Categories: hep-ph Comments: 25 pages, 39 figures; a chapter for the memorial volume "From the past to the future - the legacy of Lev Lipatov" \\ In this contribution we briefly review some aspects of Lipatov's gauge invariant QCD high energy effective action. The high energy effective provides a field theory framework to systematically factorize QCD scattering amplitudes and related theories in the limit of high center of mass energies. After a short review of the underlying concepts, we address the question how the high energy effective action can be used for actual calculations. As an explicit example we review the derivation of the gluon Regge trajectory up to 2 loop. We then review two topics of current interest: automatic amplitude generation of high energy effective action amplitudes and a discussion of the relation between the so-called Color-Glass-Condensate framework and the high energy effective action. \\ ( https://arxiv.org/abs/2010.14748 , 118kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14767 Date: Tue, 27 Oct 2020 09:43:12 GMT (139kb) Title: Hadron structure and spin effects in elastic hadron scattering at NICA energies Authors: O.V. Selyugin Categories: hep-ph hep-ex Comments: 10 pages, 9 figures. arXiv admin note: substantial text overlap with arXiv:1609.08847 \\ The spin effects in the elastic proton-proton scattering are analysed at NICA energies. It is shown the importance the investigation of the region of the diffraction minimum in the differential cross sections. Some possible estimation of spin effects are given for the different NICA energies in the framework of the new high energy generelazed structure (HEGS) model. \\ ( https://arxiv.org/abs/2010.14767 , 139kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14835 Date: Wed, 28 Oct 2020 09:16:30 GMT (1791kb) Title: The exact WKB for cosmological particle production Authors: Seishi Enomoto and Tomohiro Matsuda Categories: hep-ph astro-ph.CO hep-th Comments: 16 pages, 14 figures \\ The Bogoliubov transformation in cosmological particle production can be explained by the Stokes phenomena of the corresponding ordinary differential equation. The calculation becomes very simple as far as the solution is described by a special function. Otherwise, the calculation requires more tactics, where the Exact WKB (EWKB) may be a powerful tool. Using the EWKB, we discuss cosmological particle production focusing on the effect of more general interaction and classical scattering. The classical scattering appears when the corresponding scattering problem of the Schr\"odinger equation develops classical turning points on the trajectory. The higher process of fermionic preheating is also discussed using the Landau-Zener model. \\ ( https://arxiv.org/abs/2010.14835 , 1791kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14849 Date: Wed, 28 Oct 2020 09:52:58 GMT (1693kb) Title: The unitarity of a spontaneously broken SU(2) theory using unitary-gauge diagrams Authors: Jochem Kip and Ronald Kleiss Categories: hep-ph hep-th Comments: 15 pages \\ A spontaneously broken SU(2) theory is the simplest generalization of the Abelian Higgs model, containing three equally massive vector bosons and a single Higgs scalar. A strictly diagrammatic proof is presented of the tree-level unitarity of this model in the unitary gauge, i.e. employing only physical fields. A new Ward-like identity is used to show that the high-energy behaviour of all amplitudes cannot be more than quadratic; the use of generating functions for all off-shell amplitudes then leads to the unitarity proof. \\ ( https://arxiv.org/abs/2010.14849 , 1693kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14955 Date: Wed, 28 Oct 2020 13:15:13 GMT (575kb) Title: $X_J(2900)$ states in a hot hadronic medium Authors: Luciano M. Abreu Categories: hep-ph Comments: 20 pages; 8 figures \\ In this work we investigate the hadronic effects on the $X_{J=0,1} (2900)$ states in heavy-ion collisions. We make use of Effective Lagrangians to estimate the cross sections and their thermal averages of the processes $X_J \pi \to \bar{D}^{*} K , K^{*} \bar{D} $, as well as those of the corresponding inverse processes, considering also the possibility of different isospin assignments ($I=0,1$). We complete the analysis by solving the rate equation to follow the time evolution of the $X_J (2900)$ multiplicities and determine how they are affected by the considered reactions during the expansion of the hadronic matter. We also perform a comparison of the $X_J (2900)$ abundances considering them as hadronic molecular states ($J=0$ as a $S$-wave and $J=1$ as a $P$-wave) and tetraquark states at kinetic freeze-out. \\ ( https://arxiv.org/abs/2010.14955 , 575kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14984 Date: Wed, 28 Oct 2020 13:50:04 GMT (105kb) Title: Investigation of $\Xi_c^0$ in a chiral quark model Authors: Xiaohuang Hu, Yue Tan and Jialun Ping Categories: hep-ph Comments: 9 pages, 2 figures \\ Recently, three new states of $\Xi_c^0$ were observed in the invariant mass spectrum of $\Lambda^+_cK^-$ by LHCb collaboration. In this work, we use a chiral quark model to investigate these three exited states with the help of Gaussian expansion method both in three-quark structure and in five-quark structure with all possible quantum numbers $IJ^P=\frac{1}{2}(\frac{1}{2})^-$, $\frac{1}{2}(\frac{3}{2})^-$, $\frac{1}{2}(\frac{5}{2})^-$, $\frac{3}{2}(\frac{1}{2})^-$, $\frac{3}{2}(\frac{3}{2})^-$ and $\frac{3}{2}(\frac{5}{2})^-$ . The calculations shows that the 2$S$ states of $\Xi_c'(2579)^0$ and $\Xi_c(2645)^0$ are comparable to experimental results; In addition, the resonance states of $\Sigma_c K$ and $\Sigma^*_c K$ are possible candidates of these new states with negative parity by using the real scaling method and their decay width are also given with the help of Fermi's golden rule. \\ ( https://arxiv.org/abs/2010.14984 , 105kb) ------------------------------------------------------------------------------ \\ arXiv:2010.15057 Date: Wed, 28 Oct 2020 16:10:06 GMT (2754kb,D) Title: Probing extended Higgs sectors by the synergy between direct searches at the LHC and precision tests at future lepton colliders Authors: Masashi Aiko, Shinya Kanemura, Mariko Kikuchi, Kentarou Mawatari, Kodai Sakurai, Kei Yagyu Categories: hep-ph Comments: 58 pages, 13 figures, 4 tables Report-no: OU-HET 1075, KA-TP-15-2020 \\ We discuss a possibility that the parameter space of the two Higgs doublet model is significantly narrowed down by considering the synergy between direct searches for additional Higgs bosons at the LHC and its luminosity upgraded operation and precision measurements of the Higgs boson properties at future electron-positron colliders such as the International Linear Collider. We show that, in the case where the coupling constants of the discovered Higgs boson are slightly different from the predicted values in the standard model, most of the parameter space is explored by the direct searches of extra Higgs bosons, in particular for the decays of the extra Higgs bosons into the discovered Higgs boson, and also by the theoretical arguments such as perturbative unitarity and vacuum stability. This can be done because there appears an upper limit on the mass of the extra Higgs bosons as long as the deviation exists in the Higgs boson coupling. We also show that in the alignment limit where all the Higgs boson couplings take the standard model like values most of the parameter space cannot be excluded because most of the Higgs to Higgs decays are suppressed and also there is no upper limit on the masses from the theoretical arguments. \\ ( https://arxiv.org/abs/2010.15057 , 2754kb) ------------------------------------------------------------------------------ \\ arXiv:2010.15076 Date: Wed, 28 Oct 2020 16:45:58 GMT (73kb) Title: Vacuum expectation value renormalization in the Standard Model and beyond Authors: Vytautas D\=ud\.enas and Maximilian L\"oschner Categories: hep-ph Comments: 16 pages \\ We show how the renormalization constant of the Higgs vacuum expectation value, fixed by a tadpole condition, is responsible for gauge dependences in various definitions of parameters in the $R_{\xi}$-gauge. Then we show the relationship of this renormalization constant to the Fleischer-Jegerlehner (FJ) scheme, which is used to avoid these gauge dependences. In this way, we also present a viewpoint on the FJ-scheme complementary to the ones already existing in the literature. Additionally, we compare and discuss different approaches to the renormalization of tadpoles by identifying the similarities and relations between them. The relationship to the Higgs background field renormalization is also discussed. \\ ( https://arxiv.org/abs/2010.15076 , 73kb) ------------------------------------------------------------------------------ \\ arXiv:2010.15109 Date: Wed, 28 Oct 2020 17:52:10 GMT (724kb,D) Title: Flavoured Neutrinoless Double Beta Decay Authors: Lukas Graf, Sudip Jana, Manfred Lindner, Werner Rodejohann, Xun-Jie Xu Categories: hep-ph hep-ex nucl-ex Comments: 11 pages, 5 figures \\ We discuss a mechanism of neutrinoless double beta decay, where neutrinos of different flavours come into play. This is realized by effective flavour-violating scalar interactions. As one consequence, we find that within the normal mass ordering the neutrino effective mass may no longer vanish due to contributions from other flavours. We evaluate the necessary nuclear matrix elements, consider the interference between the standard diagram and the new scalar one, and analyze a UV-complete model that realizes the scalar interaction. Tests of the complete model are possible at colliders and future neutrino experiments. Our scenario represents an alternative mechanism for neutrinoless double beta decay, where nevertheless lepton number violation resides only in Majorana mass terms of light neutrinos. \\ ( https://arxiv.org/abs/2010.15109 , 724kb) %-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%- ------------------------------------------------------------------------------ \\ arXiv:2010.13798 (*cross-listing*) Date: Mon, 26 Oct 2020 18:00:02 GMT (89kb,D) Title: Eclectic flavor scheme from ten-dimensional string theory -- II. Detailed technical analysis Authors: Hans Peter Nilles, Sa\'ul Ramos-S\'anchez, Patrick K.S. Vaudrevange Categories: hep-th hep-ph Comments: 52 pages, 3 figures, 6 tables Report-no: TUM-HEP 1288/20 \\ String theory leads to a flavor scheme where modular symmetries play a crucial role. Together with the traditional flavor symmetries they combine to an eclectic flavor group, which we determine via outer automorphisms of the Narain space group. Unbroken flavor symmetries are subgroups of this eclectic group and their size depends on the location in moduli space. This mechanism of local flavor unification allows a different flavor structure for different sectors of the theory (such as quarks and leptons) and also explains the spontaneous breakdown of flavor- and CP-symmetries (via a motion in moduli space). We derive the modular groups, including CP and R-symmetries, for different sub-sectors of six-dimensional string compactifications and determine the general properties of the allowed flavor groups from this top-down perspective. It leads to a very predictive flavor scheme that should be confronted with the variety of existing bottom-up constructions of flavor symmetry in order to clarify which of them could have a consistent top-down completion. \\ ( https://arxiv.org/abs/2010.13798 , 89kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14583 (*cross-listing*) Date: Tue, 27 Oct 2020 19:46:18 GMT (28073kb,D) Title: Dominance of $\gamma$-$\gamma$ electron-positron pair creation in a plasma driven by high-intensity lasers Authors: Y. He, T. G. Blackburn, T. Toncian, A. V. Arefiev Categories: physics.plasm-ph hep-ph \\ Creation of electrons and positrons from light alone is a basic prediction of quantum electrodynamics, but yet to be observed. Here we show that it is possible to create ${>}10^8$ positrons by dual laser irradiation of a structured plasma target, at intensities of $2 \times 10^{22} \mathrm{W}\mathrm{cm}^{-2}$. In contrast to previous work, the pair creation is primarily driven by the linear Breit-Wheeler process ($\gamma\gamma \to e^+ e^-$), not the nonlinear process assumed to be dominant at high intensity, because of the high density of $\gamma$ rays emitted inside the target. The favorable scaling with laser intensity of the linear process prompts reconsideration of its neglect in simulation studies, but also permits positron jet formation at intensities that are already experimentally feasible. Simulations show that the positrons, confined by a quasistatic plasma magnetic field, may be accelerated by the lasers to energies $> 200$ MeV. \\ ( https://arxiv.org/abs/2010.14583 , 28073kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14728 (*cross-listing*) Date: Wed, 28 Oct 2020 03:29:51 GMT (9446kb,D) Title: Non-local quark models for description of dense matter in the cores of neutron stars Authors: German Malfatti Categories: nucl-th astro-ph.HE hep-ph Comments: 140 pages, 29 figures, PhD Thesis DOI: 10.35537/10915/107749 \\ This thesis work focuses on studying the possible existence of phase transitions in the immediate compact remnants of core collapse supernova, neutron stars, and the theoretical models that describe the interior of dense matter. Specifically, we are interested in analyzing the feasibility of a transition from hadronic matter to quark matter in the cores of these objects. For the phase transition we will use two different formalisms: the Maxwell formalism or abrupt phase transition and the Gibbs formalisms or mixed phase transition. For the description of hadronic matter, we will use different parametrizations of the relativistic mean field model with density-dependent coupling constants. For the description of quark matter we will use an effective nonlocal Nambu Jona-Lasinio model of three flavors with vector interactions, in which we will include the possibility of formation of diquarks to model a superconducting phase of color in $SU(3)$. Phase diagrams and equations of state of quark matter at finite temperature are presented, and the influence of that type of matter on observables associated with neutron stars is investigated. The simplified thermal evolution of compact stars during their formation is studied, from their state of proto-neutron stars to that of cold neutron stars, and the results obtained are compared with recent astrophysical observations. The results obtained indicate that the occurrence of quark matter in the nuclei of these stars remains a promising possibility. The fact that the use of more realistic models for the description of the dense matter in these objects indicates the presence of quark matter inside neutron stars, could be an answer to the question of the behavior of that kind of matter and the determination of its corresponding equation of state. \\ ( https://arxiv.org/abs/2010.14728 , 9446kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14738 (*cross-listing*) Date: Wed, 28 Oct 2020 04:11:17 GMT (105kb,D) Title: Effective Cross Section of Fuzzy Dark Matter Halos Authors: Dongsu Bak, Jae-Weon Lee, Sangnam Park Categories: astro-ph.CO astro-ph.GA hep-ph hep-th \\ We numerically study the movement of two colliding fuzzy dark matter solitons without explicit self-interaction and find the effective cross section of dissipative change in velocity. The cross section turns out to be inversely proportional to the velocity cubed, and we present its analytic interpretation. Using the result we roughly estimate offsets during head-on collisions of two fuzzy dark matter halos, which can be related to the offsets between stars and dark matter in collisions of some galaxy clusters. \\ ( https://arxiv.org/abs/2010.14738 , 105kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14836 (*cross-listing*) Date: Wed, 28 Oct 2020 09:19:43 GMT (3358kb,D) Title: Correlated Dirac eigenvalues and axial anomaly in chiral symmetric QCD Authors: H.-T. Ding, S.-T. Li, Swagato Mukherjee, A. Tomiya, X.-D. Wang, Y. Zhang Categories: hep-lat hep-ph hep-th nucl-th Comments: 6 pages main text + 11 pages supplemental material \\ We introduce novel relations between the derivatives ($\partial^{n}\rho(\lambda, m_{l})/\partial m_{l}^n$) of the Dirac eigenvalue spectrum ($\rho(\lambda, m_{l})$) with respect to the light sea quark mass ($m_{l}$) and the $(n+1)$-point correlations among the eigenvalues ($\lambda$) of the massless Dirac operator. Using these relations we present lattice QCD results for $\partial^{n}\rho(\lambda, m_{l})/\partial m_{l}^n$ ($n=1, 2, 3$) for $m_{l}$ corresponding to pion masses $m_\pi=160-55$ MeV, and at a temperature of about 1.6 times the chiral phase transition temperature. Calculations were carried out using (2+1)-flavors of highly improved staggered quarks with the physical value of strange quark mass, three lattice spacings $a=0.12, 0.08, 0.06$ fm, and lattices having aspect ratios $4-9$. We find that $\rho(\lambda\to0, m_{l})$ develops a peaked structure. This peaked structure arises due to non-Poisson correlations within the infrared part of the Dirac eigenvalue spectrum, becomes sharper as $a\to0$, and its amplitude is proportional to $m_{l}^2$. We demonstrate that this $\rho(\lambda\to0,m_l)$ is responsible for the manifestations of axial anomaly in 2-point correlation functions of light scalar and pseudo-scalar mesons. After continuum and chiral extrapolations we find that axial anomaly remains manifested in 2-point correlation functions of scalar and pseudo-scalar mesons in the chiral limit. \\ ( https://arxiv.org/abs/2010.14836 , 3358kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14880 (*cross-listing*) Date: Wed, 28 Oct 2020 11:01:07 GMT (1054kb) Title: Identified particle spectra in Pb-Pb and p-Pb collisions with a modified Tsallis blast-wave model Authors: G.R. Che, J.B. Gu, W.C. Zhang Categories: nucl-th hep-ph Comments: 13 pages, 6 figures, 4 tables \\ With the recipe of the Tsallis-blast wave (TBW) model, we propose a modified version (mTBW) in which the transverse velocity profile does not depend on the radius of the emitting source. A combined fit is performed to the transverse momentum spectra of identified hadrons at a given centrality in Pb-Pb (Pb-Pb, p-Pb) collisions at $\sqrt{s_{\rm NN}}=$ 2.76 (5.02, 5.02) TeV with this modified model. It is found that the mTBW model can describe the spectra well up to 3 GeV/c. Moreover, we observe that the transverse flow velocity increases while the non-extensive parameter decreases with centrality, indicating a more rapid expansion and less off-equilibrium of the system in central collisions. In addition, to check whether there is a possible early kinetic freeze-out of hadrons containing strange valence quarks at the LHC, the spectra are investigated by grouping them into strange and non-strange hadrons. We also extend our investigation to the spectra of deuterons and $^{3}\rm He$ in Pb-Pb (p-Pb) collisions at 2.76 (5.02) TeV. The combined fit can provide insight on the degree of non-equilibrium, the radial flow and the temperature of the system at the kinetic freeze-out. Its usefulness lies in the ability to compare the results at different energies in the same colliding system and the results in different colliding systems at the same energy. \\ ( https://arxiv.org/abs/2010.14880 , 1054kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14917 (*cross-listing*) Date: Wed, 28 Oct 2020 12:26:30 GMT (213kb,D) Title: Multi-field inflation from a higher derivative N = 1 Supergravity model Authors: G. A. Diamandis, B. C. Georgalas, K. Kaskavelis and G. Pavlopoulos Categories: hep-th hep-ph Comments: 23 pages, 3 figures \\ We study the cosmological evolution of a N = 1 supergravity model, dual to a higher derivative supergravity model coupled to scalar fields so that in the Einstein frame the model is ghost free. We find that this model admit slow roll inflationary solutions showing essentially two-field inflation. The cosmological parameters calculated for this model lie in acceptable range with corrections of the order lnN/N, N being the number of e-foldings, compared to the Starobinsky inflation model. \\ ( https://arxiv.org/abs/2010.14917 , 213kb) %%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%% ------------------------------------------------------------------------------ \\ arXiv:1907.04942 replaced with revised version Tue, 27 Oct 2020 18:34:20 GMT (237kb,D) Title: Constraints on neutrino electric millicharge from experiments of elastic neutrino-electron interaction and future experimental proposals involving coherent elastic neutrino-nucleus scattering Authors: A. Parada Categories: hep-ph hep-ex Comments: 10 pages, 4 figures (contains subfigures), and 3 tables. Final version accepted for publication in Advances in High Energy Physics \\ ( https://arxiv.org/abs/1907.04942 , 237kb) ------------------------------------------------------------------------------ \\ arXiv:1909.11267 (*cross-listing*) replaced with revised version Tue, 27 Oct 2020 22:58:14 GMT (558kb,D) Title: Search for ultralight bosons in Cygnus X-1 with Advanced LIGO Authors: Ling Sun, Richard Brito, Maximiliano Isi Categories: gr-qc astro-ph.HE hep-ph Comments: 9 pages, 4 figures; In the latest version, we integrated the changes reported in the published erratum (DOI: 10.1103/PhysRevD.102.089902). A missing coefficient when comparing the numerically estimated signal strain to the strain upper limit is fixed. An alternative choice of the black hole age and the corresponding results are added Journal-ref: Phys. Rev. D 101, 063020 (2020) DOI: 10.1103/PhysRevD.101.063020 \\ ( https://arxiv.org/abs/1909.11267 , 558kb) ------------------------------------------------------------------------------ \\ arXiv:1911.03919 replaced with revised version Wed, 28 Oct 2020 15:36:31 GMT (185kb) Title: Relations for Massive Spinors Authors: Clemens Heuson Categories: hep-ph Comments: 8 pages, no figures \\ ( https://arxiv.org/abs/1911.03919 , 185kb) ------------------------------------------------------------------------------ \\ arXiv:1911.08473 replaced with revised version Wed, 28 Oct 2020 16:05:27 GMT (4610kb,D) Title: Relaxion Fluctuations (Self-stopping Relaxion) and Overview of Relaxion Stopping Mechanisms Authors: Nayara Fonseca, Enrico Morgante, Ryosuke Sato, G\'eraldine Servant Categories: hep-ph astro-ph.CO Comments: 41 pages and 9 figures in main text, and 32 pages and 33 figures in appendices, v3: minor error and typos are corrected and figure 13, 15, and 35 are new in the appendix Report-no: DESY 19-203 DOI: 10.1007/JHEP05(2020)080 \\ ( https://arxiv.org/abs/1911.08473 , 4610kb) ------------------------------------------------------------------------------ \\ arXiv:1912.13507 replaced with revised version Wed, 28 Oct 2020 16:11:29 GMT (34kb) Title: Exploring leptoquark effects in hyperon and kaon decays with missing energy Authors: Jhih-Ying Su, Jusak Tandean Categories: hep-ph hep-ex Comments: 17 pages, no figure, expanded, matches publication Report-no: NCTS-PH/1909 Journal-ref: Phys. Rev. D 102, 075032 (2020) DOI: 10.1103/PhysRevD.102.075032 \\ ( https://arxiv.org/abs/1912.13507 , 34kb) ------------------------------------------------------------------------------ \\ arXiv:2004.09464 replaced with revised version Wed, 28 Oct 2020 17:42:08 GMT (2405kb,D) Title: Unified explanation of flavor anomalies, radiative neutrino mass and ANITA anomalous events in a vector leptoquark model Authors: P. S. Bhupal Dev, Rukmani Mohanta, Sudhanwa Patra, Suchismita Sahoo Categories: hep-ph hep-ex Comments: 51 pages, 13 figures, 7 tables; version to appear in Phys. Rev. D \\ ( https://arxiv.org/abs/2004.09464 , 2405kb) ------------------------------------------------------------------------------ \\ arXiv:2004.09539 replaced with revised version Wed, 28 Oct 2020 06:30:52 GMT (1801kb,D) Title: Dark Kinetic Heating of Neutron Stars from Contact Interactions with Relativistic Targets Authors: Aniket Joglekar, Nirmal Raj, Philip Tanedo, Hai-Bo Yu Categories: hep-ph astro-ph.HE Comments: 29 pages + appendices, 16 figures. v2 matches published version Report-no: UCR-TR-2019-FLIP-NCC-1701-C \\ ( https://arxiv.org/abs/2004.09539 , 1801kb) ------------------------------------------------------------------------------ \\ arXiv:2004.09587 (*cross-listing*) replaced with revised version Tue, 27 Oct 2020 22:51:18 GMT (46kb,D) Title: On the Symmetries of Cosmological Perturbations Authors: Daniel Green and Enrico Pajer Categories: hep-th astro-ph.CO hep-ph Comments: 33 pages; v2: minor corrections DOI: 10.1088/1475-7516/2020/09/032 \\ ( https://arxiv.org/abs/2004.09587 , 46kb) ------------------------------------------------------------------------------ \\ arXiv:2004.11378 (*cross-listing*) replaced with revised version Wed, 28 Oct 2020 14:20:00 GMT (5167kb,D) Title: SENSEI: Direct-Detection Results on sub-GeV Dark Matter from a New Skipper-CCD Authors: Liron Barak, Itay M. Bloch, Mariano Cababie, Gustavo Cancelo, Luke Chaplinsky, Fernando Chierchie, Michael Crisler, Alex Drlica-Wagner, Rouven Essig, Juan Estrada, Erez Etzion, Guillermo Fernandez Moroni, Daniel Gift, Sravan Munagavalasa, Aviv Orly, Dario Rodrigues, Aman Singal, Miguel Sofo Haro, Leandro Stefanazzi, Javier Tiffenberg, Sho Uemura, Tomer Volansky, Tien-Tien Yu Categories: astro-ph.CO hep-ex hep-ph physics.ins-det Comments: 5 pages, 4 figures, 1 table + Supplemental Materials (5 pages, 8 figures) + References. v2: matches version published in PRL Report-no: YITP-SB-2020-6, FERMILAB-PUB-20-158-AE-E Journal-ref: Phys. Rev. Lett. 125, 171802 (2020) DOI: 10.1103/PhysRevLett.125.171802 \\ ( https://arxiv.org/abs/2004.11378 , 5167kb) ------------------------------------------------------------------------------ \\ arXiv:2004.12155 replaced with revised version Wed, 28 Oct 2020 01:26:24 GMT (1629kb,D) Title: Higgs boson to $\gamma Z$ decay as a probe of flavour changing neutral Yukawa couplings Authors: Shi-Ping He Categories: hep-ph Comments: 30 pages, 9 figures. Show the top quark EDM and $h\rightarrow\gamma Z$ constraints in the same figure. Typos corrected. References added. Match the published version in PRD. Comments are welcome Journal-ref: Phys. Rev. D 102, 075035 (2020) DOI: 10.1103/PhysRevD.102.075035 \\ ( https://arxiv.org/abs/2004.12155 , 1629kb) ------------------------------------------------------------------------------ \\ arXiv:2005.00059 replaced with revised version Wed, 28 Oct 2020 15:09:24 GMT (52kb) Title: Dimension-8 Operators in the Standard Model Effective Field Theory Authors: Christopher W. Murphy Categories: hep-ph Comments: 51 pages, 21 tables; v2, jhep version: one missing Lagrangian term (plus its H.c.) added, typos corrected, references added, improved discussion in section 5.2, added comments on d=8 rge DOI: 10.1007/JHEP10(2020)174 \\ ( https://arxiv.org/abs/2005.00059 , 52kb) ------------------------------------------------------------------------------ \\ arXiv:2005.00867 replaced with revised version Tue, 27 Oct 2020 20:26:09 GMT (1243kb,D) Title: Corrections to Yukawa couplings from higher dimensional operators in a natural SUSY $\mathsf{SO(10)}$ and HL-LHC implications Authors: Amin Aboubrahim, Pran Nath and Raza M. Syed Categories: hep-ph Comments: 27 pages, 5 figures and 9 tables \\ ( https://arxiv.org/abs/2005.00867 , 1243kb) ------------------------------------------------------------------------------ \\ arXiv:2006.10758 replaced with revised version Wed, 28 Oct 2020 09:10:30 GMT (620kb,D) Title: Leptoquarks in Oblique Corrections and Higgs Signal Strength: Status and Prospects Authors: Andreas Crivellin, Dario Mueller, Francesco Saturnino Categories: hep-ph hep-ex Comments: 34 pages, 7 figures, interaction term added, version accepted for publication in JHEP, added CEPC limits Report-no: PSI-PR-20-08 , ZU-TH 20/20 \\ ( https://arxiv.org/abs/2006.10758 , 620kb) ------------------------------------------------------------------------------ \\ arXiv:2006.12504 (*cross-listing*) replaced with revised version Wed, 28 Oct 2020 04:30:15 GMT (7680kb,D) Title: The GCE in a New Light: Disentangling the $\gamma$-ray Sky with Bayesian Graph Convolutional Neural Networks Authors: Florian List, Nicholas L. Rodd, Geraint F. Lewis, Ishaan Bhat Categories: astro-ph.HE astro-ph.CO astro-ph.IM cs.LG hep-ph Comments: 7+47 pages, 2+36 figures, accepted by Phys. Rev. Lett \\ ( https://arxiv.org/abs/2006.12504 , 7680kb) ------------------------------------------------------------------------------ \\ arXiv:2007.01743 (*cross-listing*) replaced with revised version Wed, 28 Oct 2020 13:29:15 GMT (68kb,D) Title: Distinguishing fuzzballs from black holes through their multipolar structure Authors: Massimo Bianchi, Dario Consoli, Alfredo Grillo, Jos\`e Francisco Morales, Paolo Pani, Guilherme Raposo Categories: hep-th astro-ph.HE gr-qc hep-ph Comments: v3: 5 pages, 1 figure. Fixes grammatical typos. Matches version to appear in PRL \\ ( https://arxiv.org/abs/2007.01743 , 68kb) ------------------------------------------------------------------------------ \\ arXiv:2007.04266 (*cross-listing*) replaced with revised version Wed, 28 Oct 2020 10:19:49 GMT (25kb,D) Title: Consistency of Braneworld Effective Field Theories Authors: Florian Nortier Categories: hep-th hep-ph Comments: 15 pages, comment on arXiv:1909.02002 and arXiv:1912.12316, extended and revised version \\ ( https://arxiv.org/abs/2007.04266 , 25kb) ------------------------------------------------------------------------------ \\ arXiv:2007.05547 replaced with revised version Wed, 28 Oct 2020 16:24:34 GMT (3346kb,D) Title: Quarkonium TMD fragmentation functions in NRQCD Authors: Miguel G. Echevarria, Yiannis Makris, Ignazio Scimemi Categories: hep-ph Comments: v1: 21 pages, 5 figures. v2: matches version published in JHEP DOI: 10.1007/JHEP10(2020)164 \\ ( https://arxiv.org/abs/2007.05547 , 3346kb) ------------------------------------------------------------------------------ \\ arXiv:2007.07827 replaced with revised version Tue, 27 Oct 2020 19:11:36 GMT (340kb,D) Title: Coulomb-nuclear interference effects in proton-proton scattering: A simple new eikonal approach Authors: Loyal Durand and Phuoc Ha Categories: hep-ph Comments: 18 pages, 9 figures. Some changes in the text, and the addition of several references and a brief Appendix Journal-ref: Phys. Rev. D 102, 036025 (2020) DOI: 10.1103/PhysRevD.102.036025 \\ ( https://arxiv.org/abs/2007.07827 , 340kb) ------------------------------------------------------------------------------ \\ arXiv:2007.08125 replaced with revised version Wed, 28 Oct 2020 12:13:47 GMT (40kb,D) Title: An explicit construction of the dimension-9 operator basis in the standard model effective field theory Authors: Yi Liao and Xiao-Dong Ma Categories: hep-ph Comments: 31 pages, 10 tables; Section 3 is expanded with discussion on relevant phenomenologies; Typos are corrected; The version to be appear in JHEP \\ ( https://arxiv.org/abs/2007.08125 , 40kb) ------------------------------------------------------------------------------ \\ arXiv:2007.11780 replaced with revised version Wed, 28 Oct 2020 07:13:11 GMT (226kb,D) Title: A More Natural Composite Higgs Model Authors: Hsin-Chia Cheng, Yi Chung Categories: hep-ph Comments: 39 pages, 2 figures, 1 table; v2: minor changes in numerical estimations Journal-ref: JHEP 2010 (2020) 175 DOI: 10.1007/JHEP10(2020)175 \\ ( https://arxiv.org/abs/2007.11780 , 226kb) ------------------------------------------------------------------------------ \\ arXiv:2007.13778 replaced with revised version Wed, 28 Oct 2020 06:08:17 GMT (3269kb,D) Title: Low Scale $U(1)_X$ Gauge Symmetry as an Origin of Dark Matter, Neutrino Mass and Flavour Anomalies Authors: Debasish Borah, Lopamudra Mukherjee, Soumitra Nandi Categories: hep-ph hep-ex Comments: Version accepted for publication in JHEP, few references added, No major changes in manuscript \\ ( https://arxiv.org/abs/2007.13778 , 3269kb) ------------------------------------------------------------------------------ \\ arXiv:2008.04898 replaced with revised version Wed, 28 Oct 2020 03:24:48 GMT (501kb) Title: Next-to-Next-to-Leading-Order Radiative Corrections to $e^+e^-\to\chi_{cJ}+\gamma$ at $B$ factory Authors: Wen-Long Sang, Feng Feng and Yu Jia Categories: hep-ph Comments: typos corrected, some references added \\ ( https://arxiv.org/abs/2008.04898 , 501kb) ------------------------------------------------------------------------------ \\ arXiv:2008.06508 replaced with revised version Wed, 28 Oct 2020 13:55:22 GMT (377kb,D) Title: Covariantizing Phase Space Authors: Andrew J. Larkoski and Tom Melia Categories: hep-ph nucl-th Comments: 6 pages, 1 figure; v2: PRD version, extended discussion of IRC safe and additive observables from Stokes' theorem \\ ( https://arxiv.org/abs/2008.06508 , 377kb) ------------------------------------------------------------------------------ \\ arXiv:2009.01584 replaced with revised version Wed, 28 Oct 2020 15:23:21 GMT (232kb,D) Title: A fast centrality-meter for heavy-ion collisions at the CBM experiment Authors: Manjunath Omana Kuttan, Jan Steinheimer, Kai Zhou, Andreas Redelbach and Horst Stoecker Categories: hep-ph nucl-ex nucl-th Comments: Replaced with version accepted for publication. 10 pages, 8 figures Journal-ref: Physics Letters B 811C (2020) 135872 DOI: 10.1016/j.physletb.2020.135872 \\ ( https://arxiv.org/abs/2009.01584 , 232kb) ------------------------------------------------------------------------------ \\ arXiv:2009.08460 (*cross-listing*) replaced with revised version Tue, 27 Oct 2020 22:29:43 GMT (149kb,D) Title: Causality Constraints in Large $N$ QCD Coupled to Gravity Authors: Jared Kaplan, Sandipan Kundu Categories: hep-th gr-qc hep-ph Comments: 7 pages; Some comments are added \\ ( https://arxiv.org/abs/2009.08460 , 149kb) ------------------------------------------------------------------------------ \\ arXiv:2009.09727 replaced with revised version Wed, 28 Oct 2020 12:43:09 GMT (3077kb,D) Title: Charge-dependent flow as evidence of strong electromagnetic fields in heavy-ion collisions Authors: Andrea Dubla, Umut G\"ursoy, Raimond Snellings Categories: hep-ph hep-ex nucl-ex Comments: Invited review from Modern Physics Letter A DOI: 10.1142/S0217732320503241 \\ ( https://arxiv.org/abs/2009.09727 , 3077kb) ------------------------------------------------------------------------------ \\ arXiv:2010.05831 replaced with revised version Wed, 28 Oct 2020 08:19:18 GMT (372kb,D) Title: Hyperon--anti-hyperon polarization asymmetry in relativistic heavy-ion collisions as an interplay between chiral and helical vortical effects Authors: Victor E. Ambrus and M. N. Chernodub Categories: hep-ph hep-th nucl-th Comments: 9 pages, 3 figures; v2: discussions expanded, chiral magnetic effect and helical vortical effect are compared \\ ( https://arxiv.org/abs/2010.05831 , 372kb) ------------------------------------------------------------------------------ \\ arXiv:2010.06593 replaced with revised version Wed, 28 Oct 2020 10:53:06 GMT (2353kb,D) Title: Scalar Leptoquarks in Leptonic Processes Authors: Andreas Crivellin, Christoph Greub, Dario M\"uller and Francesco Saturnino Categories: hep-ph hep-ex Comments: 60 pages, 14 figures, typos corrected, references added Report-no: CERN-TH-2020-167, PSI-20-17, ZU-TH 38/20 \\ ( https://arxiv.org/abs/2010.06593 , 2353kb) ------------------------------------------------------------------------------ \\ arXiv:2010.07320 replaced with revised version Wed, 28 Oct 2020 09:36:33 GMT (1340kb,D) Title: String (gravi)photons, "dark brane photons", holography and the hypercharge portal Authors: Pascal Anastasopoulos (Vienna U.), Massimo Bianchi (Rome U., Tor Vergata and INFN, Rome2), Dario Consoli (Vienna U.), Elias Kiritsis (Crete U. and APC, Paris) Categories: hep-ph hep-th Comments: 40 pages plus appendices. 36 figures. V2 citations modified Report-no: UWThPh 2020-15, CCTP-2020-7, ITCP-IPP-2020/7 \\ ( https://arxiv.org/abs/2010.07320 , 1340kb) ------------------------------------------------------------------------------ \\ arXiv:2010.12232 replaced with revised version Wed, 28 Oct 2020 14:34:26 GMT (287kb,D) Title: Effective Field Theories and Lattice for Hard Probes Authors: Nora Brambilla Categories: hep-ph hep-lat nucl-th Comments: Plenary talk given at Conference Hard Probes 2020, 10th International Conference on Hard and Electromagnetic Probes of High Energy Nuclear Collisions, 31 May to 5 June 2020, Texas (on line). To appear in the proceedings. References added \\ ( https://arxiv.org/abs/2010.12232 , 287kb) ------------------------------------------------------------------------------ \\ arXiv:2010.13705 replaced with revised version Wed, 28 Oct 2020 09:50:47 GMT (140kb,D) Title: Chiral phase structure and critical end point in QCD Authors: Fei Gao, Jan M. Pawlowski Categories: hep-ph hep-th Comments: 8 pages, 5 figures \\ ( https://arxiv.org/abs/2010.13705 , 140kb) ------------------------------------------------------------------------------ \\ arXiv:2010.14278 replaced with revised version Wed, 28 Oct 2020 15:49:45 GMT (3322kb,D) Title: Dark matter constraints and the neutralino sector of the scNMSSM Authors: Elham Aldufeery, Maien Binjonaid Categories: hep-ph Comments: 16 pages, 6 figures. v2: Corrected wrong descriptions in three figures. Other minor improvements. Added a reference. Results unchanged \\ ( https://arxiv.org/abs/2010.14278 , 3322kb) %%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%--- For subscribe options to combined physics archives, e-mail To: physics@arxiv.org, Subject: subscribe ----------------------------------------------------------------------------- For help on viewing and making submissions, see http://arxiv.org/help/