Date: Thu, 27 Sep 07 00:00:29 GMT Subject: hep-ph daily 19 new + 10 crosses received by eprepget ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Send any complaints regarding submissions directly to submitter. ------------------------------------------------------------------------------ Point your www client at http://arXiv.org/ To unsubscribe, e-mail To: hep-ph@arXiv.org, Subject: cancel ------------------------------------------------------------------------------ received by eprepget from Tue 25 Sep 07 20:00:05 GMT to Wed 26 Sep 07 20:00:01 GMT ------------------------------------------------------------------------------ \\ arXiv:0709.4039 Date: Tue, 25 Sep 2007 20:59:47 GMT (157kb) Title: (\omega, \phi) P^- decays of tau leptons Authors: A. Flores-Tlalpa and G. Lopez Castro Categories: hep-ph Comments: 15 pages, 3 figures \\ The \tau -> (\omega, \phi)P^-\nu decays, where P^-=\pi^-, K^-, are considered within a phenomenological model with dominance of meson intermediate states. We assume SU(3) flavor symmetry to fix some of the unknown strong interaction couplings. Our predictions for the \tau -> \phi (\pi^-, K^-)\nu branching fractions are in good agreement with recent measurements of the BABAR and BELLE Collaborations. \\ ( http://arxiv.org/abs/0709.4039 , 157kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4044 Date: Tue, 25 Sep 2007 21:39:18 GMT (52kb) Title: NLO QCD corrections to the production of t-tbar-Z in gluon fusion Authors: Achilleas Lazopoulos, Kirill Melnikov, Frank Petriello Categories: hep-ph Comments: 9 pages, 4 figures \\ We compute the O(alpha_s) QCD corrections to the partonic process gg -> t-tbar-Z at the LHC. This partonic channel is the dominant component of the scattering process pp -> t-tbar-Z, which will be important for measuring the t-tbar-Z electroweak couplings. The O(alpha_s) corrections increase the total cross section by up to 75% for reasonable choices of the renormalization and factorization scales. Inclusion of these contributions descreases the residual scale dependence of the cross section coming from uncalculated higher order terms to +-5%. \\ ( http://arxiv.org/abs/0709.4044 , 52kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4053 Date: Tue, 25 Sep 2007 22:18:25 GMT (31kb) Title: Electroweak quark-lepton symmetry and weak topological-charge confinement in the Standard Model with Dirac neutrinos Authors: Ernesto A. Matute Categories: hep-ph Comments: 23 pages, 1 figure, uses IJMPA.cls Journal-ref: Int. J. Mod. Phys. A 22 (2007) 3669-3691 \\ The standard electroweak model with Dirac neutrinos is extended by way of the principles of electroweak quark-lepton symmetry and weak topological-charge confinement to account for quark-lepton charge relations which, if not accidental, are indicative of charge structures. A mixing in quarks and leptons of underlying integer local charges with integer weak topological charges associated with an additive group Z_3, fixed by the anomaly cancellation requirement, is discussed. It is found that the electroweak difference between topological quarks and leptons is the nonequivalence between the topological vacua of their weak field configurations, produced by a four-instanton which carries the topological charge, induces the universal fractional piece of charge distinguishing quarks from leptons, and breaks the underlying symmetry. The constituent quarks of the standard model appear as coming from topological quarks, via the weak four-instanton event. Dual transitions occur for leptons. It is shown that several other fundamental problems left open in the standard electroweak model with Dirac neutrinos are solved: the one-to-one correspondence between quark and lepton flavors, the existence of three generations, the conservation and ungauging of B-L, the electric charge quantization, and the confinement of fractional electric charges. \\ ( http://arxiv.org/abs/0709.4053 , 31kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4054 Date: Wed, 26 Sep 2007 18:49:55 GMT (418kb) Title: The process gg -> h_0 -> gamma gamma in the Lee-Wick Standard Model Authors: F. Krauss, T. E. J. Underwood, R. Zwicky Categories: hep-ph Comments: 26 pages. 5 figures Report-no: IPPP/07/49, DCPT/07/98 \\ The process gg -> h_0 -> gamma gamma is studied in the Lee-Wick extension of the Standard Model (LWSM) proposed by Grinstein, O'Connell and Wise. In this model negative norm partners for each SM field are introduced with the aim to cancel quadratic divergences in the Higgs mass. All sectors of the model relevant to gg -> h_0 -> gamma gamma are diagonalized and results are commented on from the perspective of both the Lee-Wick and higher derivative formalisms. Deviations from the SM rate for gg -> h_0 are found to be of the order of 15% - 5% for Lee-Wick masses in the range 500GeV - 1000GeV. Effects on the rate for h_0-> gamma gamma are smaller, of the order of 5% - 1% for Lee-Wick masses in the same range. These comparatively small changes may well provide a means of distinguishing the LWSM from other models such as universal extra dimensions where same-spin partners to Standard Model fields also appear. Corrections to determinations of CKM elements |V_{t(b,s,d)}| are also considered and are shown to be positive, allowing the possibility of measuring a CKM element larger than unity, a characteristic signature of the ghost-like nature of the Lee-Wick fields. \\ ( http://arxiv.org/abs/0709.4054 , 418kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4055 Date: Tue, 25 Sep 2007 22:36:44 GMT (132kb) Title: Next-to-Next-to-Leading Electroweak Logarithms in W-pair Production at ILC Authors: J.H. Kuhn, F. Metzler, A.A. Penin Categories: hep-ph Comments: 16 pages, 8 figures, LaTeX Report-no: ALBERTA-THY-12-07, TTP07-22 \\ We derive the high energy asymptotic behavior of gauge boson production cross section in a spontaneously broken SU(2) gauge theory in the next-to-next-to-leading logarithmic approximation. On the basis of this result we obtain the logarithmically enhanced two-loop electroweak corrections to the differential cross section of W-pair production at ILC/CLIC up to the second power of the large logarithm. \\ ( http://arxiv.org/abs/0709.4055 , 132kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4060 Date: Tue, 25 Sep 2007 23:18:10 GMT (21kb) Title: A Simple and Realistic Model of Supersymmetry Breaking Authors: Yasunori Nomura and Michele Papucci Categories: hep-ph Comments: 18 pages Report-no: UCB-PTH-07/18 \\ We present a simple and realistic model of supersymmetry breaking. In addition to the minimal supersymmetric standard model, we only introduce a hidden sector gauge group SU(5) and three fields X, F and \bar{F}. Supersymmetry is broken at a local minimum of the potential, and its effects are transmitted to the supersymmetric standard model sector through both standard model gauge loops and local operators suppressed by the cutoff scale, which is taken to be the unification scale. The form of the local operators is controlled by a U(1) symmetry. The generated supersymmetry breaking and mu parameters are comparable in size, and no flavor or CP violating terms arise. The spectrum of the first two generation superparticles is that of minimal gauge mediation with the number of messengers N_mess = 5 and the messenger scale 10^11 GeV < M_mess < 10^13 GeV. The spectrum of the Higgs bosons and third generation superparticles, however, can deviate from it. The lightest supersymmetric particle is the gravitino with a mass of order (1-10) GeV. \\ ( http://arxiv.org/abs/0709.4060 , 21kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4066 Date: Wed, 26 Sep 2007 19:50:24 GMT (7kb) Title: A Uniform Description of the States Recently Observed at B-factories Authors: Cong-Feng Qiao Categories: hep-ph Comments: 6 pages in Latex Report-no: GUCAS-CPS-07-006 \\ The recently observed states Y(4260), Y(4361), Y(4664) and Z^\pm(4430) intriguing a great interests in both theory and experiment about the spectroscopy in the scope of conventional charmonium energy scale. The Y(4260) which was observed earlier has been interpreted as hybrid, molecular state, and baryonium, etc. In this work we show for the first time that these new structures, which are hard to be interpreted as charmonium states, can be systematically embedded into an extended baryonium picture. By this assignment, the so far experimentally observed characters of these states are understandable. Some predictions are made for future measurement. \\ ( http://arxiv.org/abs/0709.4066 , 7kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4067 Date: Wed, 26 Sep 2007 01:16:44 GMT (126kb) Title: Resolution of the Proton Spin Problem Authors: F. Myhrer and A.W. Thomas Categories: hep-ph Comments: 10 pages, 1 figure Report-no: JLAB-THY-07-721 \\ A number of lines of investigation into the structure of the nucleon have converged to the point where we believe that one has a consistent explanation of the well known proton spin crisis. \\ ( http://arxiv.org/abs/0709.4067 , 126kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4090 Date: Wed, 26 Sep 2007 07:21:38 GMT (20kb) Title: Directed flow as effect of transient matter rotation in hadron and nucleus collisions Authors: S.M. Troshin, N.E. Tyurin Categories: hep-ph Comments: 13 pages, 2 figures \\ We discuss directed flow introduced for description of nucleus collisions and consider its possible behavior in hadronic and nuclei reactions due to rotation of the transient matter. \\ ( http://arxiv.org/abs/0709.4090 , 20kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4092 Date: Wed, 26 Sep 2007 07:46:42 GMT (35kb) Title: Resolution of singularities for multi-loop integrals Authors: Christian Bogner and Stefan Weinzierl Categories: hep-ph Comments: 23 pages \\ We report on a program for the numerical evaluation of divergent multi-loop integrals. The program is based on iterated sector decomposition. We improve the original algorithm of Binoth and Heinrich such that the program is guaranteed to terminate. The program can be used to compute numerically the Laurent expansion of divergent multi-loop integrals regulated by dimensional regularisation. The symbolic and the numerical steps of the algorithm are combined into one program. \\ ( http://arxiv.org/abs/0709.4092 , 35kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4101 Date: Wed, 26 Sep 2007 08:24:16 GMT (10kb) Title: Is the physical vacuum a preferred frame ? Authors: M. Consoli, E. Costanzo Categories: hep-ph Comments: 12 pages, no figures \\ It is generally assumed that the physical vacuum of particle physics should be characterized by an energy momentum tensor in such a way to preserve exact Lorentz invariance. On the other hand, if the ground state were characterized by its energy-momentum vector, with zero spatial momentum and a non-zero energy, the vacuum would represent a preferred frame. Since both theoretical approaches have their own good motivations, we propose an experimental test to decide between the two scenarios. \\ ( http://arxiv.org/abs/0709.4101 , 10kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4174 Date: Wed, 26 Sep 2007 15:13:24 GMT (162kb) Title: Angular Distributions of B -> K ll Decays Authors: Christoph Bobeth, Gudrun Hiller, Giorgi Piranishvili Categories: hep-ph Comments: 1 + 28 pages, 8 figures, uses JHEP3.cls Report-no: DO-TH 07/07 \\ We model-independently analyze the angular distributions of B -> K ll decays, l = e, mu, for low dilepton mass using QCD factorization. Besides the decay rate, we study the forward-backward asymmetry A_FB^l and a further observable, F_H^l, which gives rise to a flat term in the angular distribution. We find that in the Standard Model F_H^l ~ m_l^2, hence vanishing F_H^e and F_H^mu of around 2% (exact value depends on cuts) with a very small theoretical uncertainty of a few percent. We also give predictions for R_K, the ratio of B -> K mu mu to B -> K ee decay rates. We analytically show using large recoil symmetry relations that in the Standard Model R_K equals one up to lepton mass corrections of the order 10^(-4). The New Physics reach of the observables from the B -> K ll angular analysis is explored together with R_K and the B_s -> ll and B -> X_s ll branching ratios for both l = e and l = mu. We find substantial room for signals from (pseudo-) scalar and tensor interactions beyond the Standard Model. Experimental investigations of the B -> K mu mu angular distributions are suitable for the LHC environment and high luminosity B factories, where also studies of the electron modes are promising. \\ ( http://arxiv.org/abs/0709.4174 , 162kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4196 Date: Wed, 26 Sep 2007 15:42:36 GMT (54kb) Title: Tensor Meson Production in Proton-Proton Collisions from the Color Glass Condensate Authors: Francois Fillion-Gourdeau, Sangyong Jeon Categories: hep-ph Comments: 26 pages, 3 figures, to be submitted in Phys. Rev. C \\ We compute the inclusive cross-section of $f_{2}$ tensor mesons production in proton-proton collisions at high-energy. We use an effective theory inspired from the tensor meson dominance hypothesis that couples gluons to $f_{2}$ mesons. We compute the differential cross-section in the $k_{\perp}$-factorization and in the Color Glass Condensate formalism in the low density regime. We show that the two formalisms are equivalent for this specific observable. Finally, we study the phenomenology of $f_{2}$ mesons by comparing theoretical predictions of different parameterizations of the unintegrated gluon distribution function. We find that $f_{2}$-meson production is another observable that can be used to put constraints on these distributions. \\ ( http://arxiv.org/abs/0709.4196 , 54kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4201 Date: Wed, 26 Sep 2007 15:54:24 GMT (4kb,D) Title: Consequences of the Production of Very Massive Magnetically Charged Leptons Early in the Universe and Their Decays to a New Set of Extremely Massive Neutrinos Authors: Sherman Frankel Categories: hep-ph Comments: 2 pages \\ We examine the production and decay of extremely heavy magnetically charged leptons, (tau_g and mu_g), to their own very heavy mu_g and e_g plus their own new species of neutrinos, nu_g and nubar_g, at some time early in the universe which could be present in space and, attracted gravitationally towards and passing through astronomical objects, annihilated with each other to produce large numbers of photons. Further, we describe the possibility of presently detecting the bursts of such photons, of three different total energies, in the seas or oceans on earth. \\ ( http://arxiv.org/abs/0709.4201 , 4kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4202 Date: Wed, 26 Sep 2007 16:07:30 GMT (93kb) Title: SUSY Multi-Step Unification without Doublet-Triplet Splitting Authors: Jurgen Reuter Categories: hep-ph Comments: Submitted for the SUSY07 proceedings, 4 pages, 3 eps figures Report-no: FR-THEP-07-09 \\ Matter-Higgs unification in string-inspired supersymmetric Grand Unified Theories predicts the existence of colored states in the Higgs multiplets and calls for two extra generations of Higgs-like fields ('unhiggses'). If these states are present near the TeV scale, gauge-coupling unification points to the existence of two distinct scales, 10^15 GeV where right-handed neutrinos and a Pati-Salam symmetry appear, and 10^18 GeV where complete unification is achieved. Baryon-number conservation, while not guaranteed, can naturally emerge from an underlying flavor symmetry. Collider signatures and dark-matter physics may be drastically different from the conventional MSSM. \\ ( http://arxiv.org/abs/0709.4202 , 93kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4203 Date: Wed, 26 Sep 2007 16:14:40 GMT (361kb) Title: Profile of Two-Higgs-Doublet-Model Parameter Space Authors: Abdul Wahab El Kaffas, Odd Magne Ogreid, Per Osland Categories: hep-ph Comments: 4 pages, Latex, 3 eps-figures included, Talk given at 2007 International Linear Collider Workshop (LCWS07 and ILC07), Hamburg, Germany, 30 May - 3 Jun 2007 \\ We review recent work on constraining the parameter space of the Two-Higgs-Doublet Model by theoretical and experimental results. Some characteristics of the model, in particular the distribution of masses in the surviving parameter space, are discussed. \\ ( http://arxiv.org/abs/0709.4203 , 361kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4216 Date: Wed, 26 Sep 2007 17:21:12 GMT (87kb) Title: Critical structure of the QCD medium Authors: Bernd-Jochen Schaefer (Graz U.) Categories: hep-ph Comments: 10 pages, 3 figures; to appear in the proceedings of 4th International Workshop on 'Critical Point and Onset of Deconfinement' (CPOD2007), GSI Darmstadt, Germany, July 9-13 2007 \\ Fluctuations in the vicinity of a phase transition are important but neglected in mean-field theory. In order to assess the influence of such fluctuations on the critical endpoint and the size of the critical region in the QCD phase diagram, a mean-field calculation of a two-flavor quark-meson model is compared with a renormalization group approach. However, due to the lack of confinement in this effective model the equation of state near the chiral phase transition is still unrealistic. A first improvement of this model can be achieved by coupling quark degrees of freedom to the Polyakov loop, consequently incorporating certain aspects of confinement. The influence of these modifications on the resulting phase diagram is discussed. \\ ( http://arxiv.org/abs/0709.4216 , 87kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4221 Date: Wed, 26 Sep 2007 17:41:11 GMT (37kb) Title: NNLO QCD corrections to event shape variables in electron positron annihilation Authors: A. Gehrmann-De Ridder (Zurich, ETH), T. Gehrmann (Zurich U.), E.W.N. Glover (Durham U., IPPP), G. Heinrich (Edinburgh U.) Categories: hep-ph Comments: Contributed to 2007 Europhysics Conference on High Energy Physics, Manchester, England 19-25 July 2007 Report-no: ZU-TH 24/07, IPPP/07/63, Edinburgh 2007/27 \\ Precision studies of QCD at electron-positron colliders are based on measurements of event shapes and jet rates. To match the high experimental accuracy, theoretical predictions to next-to-next-to-leading order (NNLO) in QCD are needed for a reliable interpretation of the data. We report the first calculation of NNLO corrections O(alpha_s^3) to three-jet production and related event shapes, and discuss their phenomenological impact. \\ ( http://arxiv.org/abs/0709.4221 , 37kb) ------------------------------------------------------------------------------ \\ arXiv:0709.4227 Date: Wed, 26 Sep 2007 18:06:57 GMT (31kb) Title: Scalar Particle Contribution to Higgs Production via Gluon Fusion at NLO Authors: R. Bonciani, G. Degrassi, A. Vicini Categories: hep-ph Comments: 20 pages, 5 figures \\ We consider the gluon fusion production cross section of a scalar Higgs boson in models where fermion and scalar massive colored particles are present. We report analytic expressions for the matrix elements of $gg\to Hg$, $q\bar{q}\to Hg$, and $qg\to Hq$ processes completing the calculation of the NLO QCD corrections in these extended scenarios. The formulas are written in a complete general case, allowing a flexible use for different theoretical models. Applications of our results to two different models are presented: i) a model in which the SM Higgs sector is augmented by a weak doublet scalar in the $SU(N_c)$ adjoint representation. ii) The MSSM, in the limit of neglecting the gluino contribution to the cross section. \\ ( http://arxiv.org/abs/0709.4227 , 31kb) %-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%-%- ------------------------------------------------------------------------------ \\ arXiv:0709.2912 (*cross-listing*) Date: Wed, 19 Sep 2007 14:20:37 GMT (82kb) Title: Cosmological Constraints on Dissipative Models of Inflation Authors: Lisa M. H. Hall (U. Sheffield) and Hiranya V. Peiris (U. Chicago/ U. Cambridge) Categories: astro-ph hep-ph hep-th Comments: 14 pages, 9 figures, submitted to PRD \\ (Abridged) We study dissipative inflation in the regime where the dissipative term takes a specific form, \Gamma=\Gamma(\phi), analyzing two models in the weak and strong dissipative regimes with a SUSY breaking potential. After developing intuition about the predictions from these models through analytic approximations, we compute the predicted cosmological observables through full numerical evolution of the equations of motion, relating the mass scale and scale of dissipation to the characteristic amplitude and shape of the primordial power spectrum. We then use Markov Chain Monte Carlo techniques to constrain a subset of the models with cosmological data from the cosmic microwave background (WMAP three-year data) and large scale structure (SDSS Luminous Red Galaxy power spectrum). We find that the posterior distributions of the dissipative parameters are highly non-Gaussian and their allowed ranges agree well with the expectations obtained using analytic approximations. In the weak regime, only the mass scale is tightly constrained; conversely, in the strong regime, only the dissipative coefficient is tightly constrained. A lower limit is seen on the inflation scale: a sub-Planckian inflaton is disfavoured by the data. In both weak and strong regimes, we reconstruct the limits on the primordial power spectrum and show that these models prefer a {\it red} spectrum, with no significant running of the index. We calculate the reheat temperature and show that the gravitino problem can be overcome with large dissipation, which in turn leads to large levels of non-Gaussianity: if dissipative inflation is to evade the gravitino problem, the predicted level of non-Gaussianity might be seen by the Planck satellite. \\ ( http://arxiv.org/abs/0709.2912 , 82kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3428 (*cross-listing*) Date: Fri, 21 Sep 2007 12:53:51 GMT (7kb) Title: Bulk antisymmetric tensor fields in a Randall-Sundrum model Authors: Biswarup Mukhopadhyaya, Somasri Sen and Soumitra SenGupta Categories: hep-th hep-ph Comments: 8 Pages, Latex \\ We consider bulk antisymmetric tensor fields of various ranks in a Randall-Sundrum scenario. We show that, rank-2 onwards, the zero-modes of the projections of these fields on the (3+1) dimensional visible brane become increasingly weaker as the rank of the tensor increases. All such tensor fields of rank 4 or more are absent from the dynamics in four dimensions. This leaves only the zero-mode graviton to have coupling $\sim 1/M_P$ with matter, thus explaining why the large-scale behaviour of the universe is governed by gravity only. We have also computed the masses of the heavier modes upto rank-3, and shown that they are relatively less likely to have detectable accelerator signals. \\ ( http://arxiv.org/abs/0709.3428 , 7kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3645 (*cross-listing*) Date: Sun, 23 Sep 2007 14:46:42 GMT (23kb) Title: Stable First-order Particle-frame Relativistic Hydrodynamics for Dissipative Systems Authors: Kyosuke Tsumura, Teiji Kunihiro Categories: nucl-th hep-ph physics.flu-dyn Comments: 4 pages, 3 figures \\ We propose a stable first-order relativistic dissipative hydrodynamics in the particle frame (Eckart frame) for the first time. The new hydrodynamic equation is derived from the underlying relativistic Boltzmann equation in the renormalization-group method. We demonstrate that the new equation assures the stability of the equilibrium state under the time evolution. The proposed equation may be a proper starting point for constructing the second-order causal relativistic hydrodynamics, in place of the Eckart's particle-flow theory. \\ ( http://arxiv.org/abs/0709.3645 , 23kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3744 Date: Mon, 24 Sep 2007 13:31:13 GMT (27kb) Title: Combined Electroweak Analysis Authors: Martin W. Grunewald Categories: hep-ph hep-ex Comments: 7 pages and 6 figures Report-no: UCD-PHYC/070901 \\ Recent developments in the measurement of precision electroweak measurements are summarised, notably new results on the mass of the top quark and mass and width of the W boson. Predictions of the Standard Model are compared to the experimental results which are used to constrain the input parameters of the Standard Model, in particular the mass of the Higgs boson. The agreement between measurements and expectations from theory is discussed. Invited talk presented at the EPS HEP 2007 conference Manchester, England, July 19th to 25th, 2007 \\ ( http://arxiv.org/abs/0709.3744 , 27kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3758 (*cross-listing*) Date: Mon, 24 Sep 2007 13:06:52 GMT (496kb) Title: Brane inflation and the WMAP data: a Bayesian analysis Authors: Larissa Lorenz, Jerome Martin, Christophe Ringeval Categories: hep-th astro-ph gr-qc hep-ph Comments: 70 pages, 19 figures, uses iopart \\ The Wilkinson Microwave Anisotropy Probe (WMAP) constraints on string inspired ``brane inflation'' are investigated. Here, the inflaton field is interpreted as the distance between two branes placed in a flux-enriched background geometry and has a Dirac-Born-Infeld (DBI) kinetic term. Our method relies on an exact numerical integration of the inflationary power spectra coupled to a Markov-Chain Monte-Carlo exploration of the parameter space. This analysis is valid for any perturbative value of the string coupling constant and of the string length, and includes a phenomenological modelling of the reheating era to describe the post-inflationary evolution. It is found that the data favour a scenario where inflation stops by violation of the slow-roll conditions well before brane annihilation, rather than by tachyonic instability. Concerning the background geometry, it is established that log(v) > -10 at 95% confidence level (CL), where "v" is the dimensionless ratio of the five-dimensional sub-manifold at the base of the six-dimensional warped conifold geometry to the volume of the unit five-sphere. The reheating energy scale remains poorly constrained, Treh > 20 GeV at 95% CL, for an extreme equation of state (wreh ~ -1/3) only. Assuming the string length is known, the favoured values of the string coupling and of the Ramond-Ramond total background charge appear to be correlated. Finally, the stochastic regime (without and with volume effects) is studied using a perturbative treatment of the Langevin equation. The validity of such an approximate scheme is discussed and shown to be too limited for a full characterisation of the quantum effects. \\ ( http://arxiv.org/abs/0709.3758 , 496kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3760 (*cross-listing*) Date: Mon, 24 Sep 2007 13:12:15 GMT (660kb) Title: Ultrahigh energy neutrinos with a mediterranean neutrino telescope Authors: E. Borriello, G. Miele, and O. Pisanti Categories: astro-ph hep-ph Comments: 10 pages, 10 figures, Proceedings of XII International Workshop on Neutrino Telescopes, Venezia 2007 \\ A study of the ultra high energy neutrino detection performances of a km^3 Neutrino Telescope sitting at the three proposed sites for "ANTARES", "NEMO" and "NESTOR" in the Mediterranean sea is here performed. The detected charged leptons energy spectra, entangled with their arrival directions, provide an unique tool to both determine the neutrino flux and the neutrino-nucleon cross section. \\ ( http://arxiv.org/abs/0709.3760 , 660kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3853 (*cross-listing*) Date: Mon, 24 Sep 2007 22:22:09 GMT (24kb) Title: Thermodynamics of Quasi-Particles Authors: F.G.Gardim and F.M.Steffens Categories: nucl-th hep-ph Comments: 26 pages, 1 figure. To appear in Nuclear Physics A \\ We present in this work a generalization of the solution of Gorenstein and Yang for a consistent thermodynamics for systems with a temperature dependent Hamiltonian. We show that there is a large class of solutions, work out three particular ones, and discuss their physical relevance. We apply the particular solutions for an ideal gas of quasi-gluons, and compare the calculation to lattice and perturbative QCD results. \\ ( http://arxiv.org/abs/0709.3853 , 24kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3895 (*cross-listing*) Date: Tue, 25 Sep 2007 08:36:36 GMT (969kb) Title: Energy Extraction from Black Holes Authors: Norbert Straumann Categories: astro-ph gr-qc hep-ph Comments: 19 pages, 5 figures,invited lecture given at the III Mexican Meeting on Mathematical and Experimental Physics, September 10-14, 2007 at El Colegio Nacional; to be published by the American Institute of Physics \\ In this lecture I give an introduction to the rotational energy extraction of black holes by the electromagnetic Blandford-Znajek process and the generation of relativistic jets. After some basic material on the electrodynamics of black hole magnetospheres, we derive the most important results of Blandford and Znajek by making use of Kerr-Schild coordinates, which are regular on the horizon. In a final part we briefly describe results of recent numerical simulations of accretion flows on rotating black holes, the resulting large-scale outflows, and the formation of collimated relativistic jets with high Lorentz factors. \\ ( http://arxiv.org/abs/0709.3895 , 969kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3948 (*cross-listing*) Date: Tue, 25 Sep 2007 14:06:32 GMT (283kb) Title: Rho meson condensation at finite isospin chemical potential in a holographic model for QCD Authors: Ofer Aharony, Kasper Peeters, Jacob Sonnenschein and Marija Zamaklar Categories: hep-th hep-lat hep-ph Comments: 33 pages, 7 figures Report-no: DCPT-07/55, ITP-UU-07/49, TAUP-2865/07, WIS/16/07-SEPT-DPP \\ We analyze the effect of an isospin chemical potential \mu_I in the Sakai-Sugimoto model, which is the string dual of a confining gauge theory related to large N_c QCD, at temperatures below the chiral symmetry restoration temperature. For small chemical potentials we show that the results agree with expectations from the low-energy chiral Lagrangian, and the charged pion condenses. When the chemical potential reaches a critical value \mu_I = \mu_{crit} ~ 1.7 m_{\rho}, the lowest vector meson (the "rho meson") becomes massless, and it condenses (in addition to the pion condensate) for \mu_I > \mu_{crit}. This spontaneously breaks the rotational symmetry, as well as a residual U(1) flavor symmetry. We numerically construct the resulting new ground state for \mu_I > \mu_{crit}. \\ ( http://arxiv.org/abs/0709.3948 , 283kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3963 (*cross-listing*) Date: Tue, 25 Sep 2007 14:25:22 GMT (15kb) Title: Two-Point Functions of Coulomb Gauge Yang-Mills Theory Authors: Peter Watson, Hugo Reinhardt Categories: hep-th hep-lat hep-ph Comments: 12 pages, no figures \\ The functional approach to Coulomb gauge Yang-Mills theory is considered within the standard, second order, formalism. The Dyson-Schwinger equations and Slavnov-Taylor identities concerning the two-point functions are derived explicitly and one-loop perturbative results are presented. \\ ( http://arxiv.org/abs/0709.3963 , 15kb) %%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%%--%% ------------------------------------------------------------------------------ \\ arXiv:hep-ph/0411312 replaced with revised version Wed, 26 Sep 2007 15:58:09 GMT (295kb) Title: Neutrino Oscillations in Deconstructed Dimensions Authors: Tomas Hallgren, Tommy Ohlsson, Gerhart Seidl Categories: hep-ph Comments: 38 pages, 11 figures, typos corrected Report-no: OSU-HEP-04-13 Journal-ref: JHEP 0502 (2005) 049 \\ ( http://arxiv.org/abs/hep-ph/0411312 , 295kb) ------------------------------------------------------------------------------ \\ arXiv:astro-ph/0609349 (*cross-listing*) replaced with revised version Wed, 26 Sep 2007 09:52:07 GMT (22kb) Title: Imprint of spatial curvature on inflation power spectrum Authors: Eduard Masso, Subhendra Mohanty, Akhilesh Nautiyal and Gabriel Zsembinszki Categories: astro-ph gr-qc hep-ph Comments: 17 pages, 4 figures, revtex4; section on comparison with WMAP3 data added Report-no: UAB-FT-609 \\ ( http://arxiv.org/abs/astro-ph/0609349 , 22kb) ------------------------------------------------------------------------------ \\ arXiv:0705.3786 replaced with revised version Wed, 26 Sep 2007 10:23:59 GMT (190kb) Title: New smooth hybrid inflation Authors: G. Lazarides, A. Vamvasakis (Aristotle U., Thessaloniki) Categories: hep-ph astro-ph Comments: 15 pages including 5 figures, uses Revtex, version to appear in PRD Report-no: UT-STPD-2/07 \\ ( http://arxiv.org/abs/0705.3786 , 190kb) ------------------------------------------------------------------------------ \\ arXiv:0706.2474 replaced with revised version Wed, 26 Sep 2007 08:54:46 GMT (109kb) Title: Double logarithmical corrections to beam asymmetry in polarized electron-proton scattering Authors: E. Kuraev, E. Tomasi-Gustafsson, S. Bakmaev, V. Bytev, Yu. Bystritskiy Categories: hep-ph Comments: 9 pages, 8 figures \\ ( http://arxiv.org/abs/0706.2474 , 109kb) ------------------------------------------------------------------------------ \\ arXiv:0707.0733 replaced with revised version Wed, 26 Sep 2007 08:27:12 GMT (158kb) Title: Form factors, branching ratio and forward-backward asymmetry in B -> K_{1}ell ^{+} ell ^{-} decays Authors: M. Ali Paracha, Ishtiaq Ahmed, M. Jamil Aslam Categories: hep-ph Comments: 15 pages, 2 figures \\ ( http://arxiv.org/abs/0707.0733 , 158kb) ------------------------------------------------------------------------------ \\ arXiv:0707.2973 replaced with revised version Tue, 25 Sep 2007 22:18:34 GMT (26kb) Title: Color Transfer in Associated Heavy-Quarkonium Production Authors: Gouranga C. Nayak (Stony Brook), Jian-Wei Qiu (Iowa State/BNL), George Sterman (Stony Brook) Categories: hep-ph hep-ex nucl-th Comments: 4 pages, 2 figures, a few changes in wording and a typo correction. Version accepted for publication in Phys. Rev. Lett Report-no: YITP-SB-07-21, BNL-NT-07/27 \\ ( http://arxiv.org/abs/0707.2973 , 26kb) ------------------------------------------------------------------------------ \\ arXiv:0708.2246 (*cross-listing*) replaced with revised version Wed, 26 Sep 2007 14:03:00 GMT (70kb) Title: Monopoles, topology of the Standard Model, and unification of interactions at Tev scale Authors: M. A. Zubkov Categories: hep-lat hep-ph Comments: a version to appear in the proceedings of LATTICE 2007 Report-no: ITEP-LAT/2007-14 \\ ( http://arxiv.org/abs/0708.2246 , 70kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3647 replaced with revised version Wed, 26 Sep 2007 14:18:04 GMT (277kb) Title: A light non-standard Higgs boson: to be or not to be at a (Super) B factory? Authors: Miguel-Angel Sanchis-Lozano Categories: hep-ph Comments: Latex, 4 pages, 4 figures. Submitted for the SUSY07 proceedings Report-no: FTUV/07-0923 \\ ( http://arxiv.org/abs/0709.3647 , 277kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3749 replaced with revised version Wed, 26 Sep 2007 11:08:41 GMT (48kb) Title: Recent advances in the three flavor Larkin-Ovchinnikov-Fulde-Ferrel phase of QCD Authors: R. Anglani, M. Ciminale, N. D. Ippolito Categories: hep-ph Comments: 5 pages, 6 figures,Contributed to International Workshop on Quantum Chromodynamics: QCD@Work 2007, Martina Franca, Valle d'Itria, Italy, 16-20 Jun 2007,reference added, typo corrected Report-no: BARI-TH 576/07 \\ ( http://arxiv.org/abs/0709.3749 , 48kb) ------------------------------------------------------------------------------ \\ arXiv:0709.3913 replaced with revised version Wed, 26 Sep 2007 13:17:31 GMT (62kb) Title: Forward-Backward rapidity correlations at all rapidities Authors: P. Brogueira, J. Dias de Deus and J. G. Milhano Categories: hep-ph Comments: 6 pages, 3 figures \\ ( http://arxiv.org/abs/0709.3913 , 62kb) %%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%---%%%--- 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/ For a list of archive mirror sites, see http://arXiv.org/servers.html ----------------------------------------------------------------------------- Third-party submissions cause excessive problems. Author self-submissions are exceedingly preferred. E-mail submissions have been discontinued in favor of better support for Web submissions. See http://arXiv.org/help/uploads