Showing 2007 · hep-phShow all

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hep-ph2007★ 318 cited

Heavy Ion Collisions at the LHC - Last Call for Predictions

S. Abreu, S. V. Akkelin, J. Alam +164

This writeup is a compilation of the predictions for the forthcoming Heavy Ion Program at the Large Hadron Collider, as presented at the CERN Theory Institute 'Heavy Ion Collisions…

hep-ph2007★ 63 cited

Analyticity constraints on the strangeness changing vector current and applications to ,

B. Moussallam

We discuss matrix elements of the strangeness changing vector current using their relation, due to analyticity, with scattering in the -wave. We take into account experimen…

hep-ph2007

QCD Factorizations in Exclusive gamma* gamma* -> rho0_L rho0_L

B. Pire, M. Segond, L. Szymanowski +1

The exclusive process e+ e- -> e+ e-rho0_L rho0_L allows to study various dynamics and factorization properties of perturbative QCD. At moderate energy, we demonstrate how collinea…

hep-ph2007★ 25 cited

On the Physics Case of a Super Flavour Factory

T. Browder, M. Ciuchini, T. Gershon +4

We summarize the physics case of a high-luminosity e+e- flavour factory collecting an integrated luminosity of 50-75 ab^(-1). Many New Physics sensitive measurements involving B an…

hep-ph2007

CP violation and final state interactions in B --> K pi pi decays

L. Lesniak, B. El-Bennich, A. Furman +3

Effects of CP violation and of final state interactions between pairs of pseudoscalar mesons are studied in three-body B+, B-, B0 and antiB0 decays into K pi pi. An alternative app…

hep-ph2007★ 254 cited

Physics at a future Neutrino Factory and super-beam facility

The ISS Physics Working Group

The conclusions of the Physics Working Group of the international scoping study of a future Neutrino Factory and super-beam facility (the ISS) are presented. The ISS was carried by…

hep-ph2007★ 3 cited

Di-photon Higgs decay in the MSSM with explicit CP violation

S. Hesselbach, S. Moretti, S. Munir +1

The Minimal Supersymmetric Standard Model (MSSM) with explicit CP violation is studied with the help of the di-photon decay channel of the lightest neutral Higgs boson. Effects of…

hep-ph2007★ 49 cited

Memorino on the `1/2 vs. 3/2 Puzzle' in -- a Year Later and a Bit Wiser

I. I. Bigi, B. Blossier, A. Le Yaouanc +5

The OPE treatment that has been so successful in describing inclusive decays yields sum rules (in particular the Uraltsev sum rule and its higher moments)…

hep-ph2007★ 8 cited

Integral equation for gauge invariant quark two-point Green's function in QCD

H. Sazdjian

Gauge invariant quark two-point Green's functions defined with path-ordered gluon field phase factors along skew-polygonal lines joining the quark to the antiquark are considered.…

hep-ph2007★ 83 cited

Measuring Supersymmetry

Remi Lafaye, Tilman Plehn, Michael Rauch +1

If new physics is found at the LHC (and the ILC) the reconstruction of the underlying theory should not be biased by assumptions about high--scale models. For the mapping of many m…

hep-ph2007★ 521 cited

Model-independent constraints on Delta F=2 operators and the scale of New Physics

UTfit Collaboration, M. Bona, M. Ciuchini +11

We update the constraints on new-physics contributions to Delta F=2 processes from the generalized unitarity triangle analysis, including the most recent experimental developments.…

hep-ph2007★ 97 cited

Kaluza--Klein excitations of gauge bosons at the LHC

Abdelhak Djouadi, Gregory Moreau, Ritesh K. Singh

We consider the Randall-Sundrum extra dimensional model with fields propagating in the bulk based on an extended electroweak gauge symmetry with specific fermion charges and locali…

hep-ph2007★ 15 cited

Exploring the Di-Photon Decay of a Light Higgs Boson in the MSSM With Explicit CP Violation

S. Hesselbach, S. Moretti, S. Munir +1

The di-photon decay channel of the lightest Higgs boson is considerd as a probe to explore CP violation in the Minimal Supersymmetric Standard Model (MSSM). The scalar/pseudo-scala…

hep-ph2007★ 99 cited

Large underground, liquid based detectors for astro-particle physics in Europe: scientific case and prospects

D. Autiero, J. Aysto, A. Badertscher +68

This document reports on a series of experimental and theoretical studies conducted to assess the astro-particle physics potential of three future large-scale particle detectors pr…

hep-ph2007★ 92 cited

The MSSM with heavy scalars

Nicolas Bernal, Abdelhak Djouadi, Pietro Slavich

We perform a comprehensive analysis of the Minimal Supersymmetric Standard Model (MSSM) in the scenario where the scalar partners of the fermions and the Higgs particles (except fo…

hep-ph2007★ 24 cited

Penguin-mediated B_(d,s)->VV decays and the Bs - anti-Bs mixing angle

Sebastien Descotes-Genon, Joaquim Matias, Javier Virto

In this letter, we propose three different strategies to extract the weak mixing angle phi_s of the Bs system using penguin-mediated decays into vectors, mainly Bs->K*K*, Bs->phi K…

hep-ph2007★ 6 cited

Study of resonant processes for multi-pion production in annihilation

E. A. Kuraev, C. Adamuscin, E. Tomasi-Gustafsson +1

In frame of a phenomenological approach based on Compton-like Feynman amplitudes, we study multi-pion production in antiproton nucleon collisions. The main interest of this reactio…

hep-ph2007★ 45 cited

SUSY-GUTs, SUSY-Seesaw and the Neutralino Dark Matter

L. Calibbi, Y. Mambrini, S. K. Vempati

We will consider a SUSY-SU(5) with one right-handed neutrino with a large top like Yukawa coupling. Assuming universal soft masses at high scale we compute the low-energy spectrum…

hep-ph2007★ 29 cited

Probing RS scenarios of flavour at LHC via leptonic channels

F. Ledroit, G. Moreau, J. Morel

We study a purely leptonic signature of the Randall-Sundrum scenario with Standard Model fields in the bulk at LHC: the contribution from the exchange of Kaluza-Klein (KK) excitati…

hep-ph2007★ 17 cited

Investigating The Physics Case of Running a B-Factory at the Y(5S) Resonance

E. Baracchini, M. Bona, M. Ciuchini +6

We discuss the physics case of a high luminosity B-Factory running at the Y(5S) resonance. We show that the coherence of the B meson pairs is preserved at this resonance, and that…

hep-ph2007★ 24 cited

Diffractive production of two rho^0_L mesons in e^+e^- collisions

M. Segond, L. Szymanowski, S. Wallon

We present an estimate of the cross-section for the exclusive production of a rho_L^0-meson pair in e^+e^- scattering, which will be studied in the future high energy International…

hep-ph2007★ 19 cited

Low-energy pi-pi and pi-K scatterings revisited in three-flavour resummed chiral perturbation theory

S. Descotes-Genon

Chiral symmetry breaking may exhibit significantly different patterns in two chiral limits: N_f=2 massless flavours (m_u=m_d=0, m_s physical) and N_f=3 massless flavours (m_u=m_d=0…

hep-ph2007★ 18 cited

Divergent IR gluon propagator from Ward-Slavnov-Taylor identities?

Ph. Boucaud, J. P. Leroy, A. Le Yaouanc +5

We exploit the Ward-Slavnov-Taylor identity relating the 3-gluons to the ghost-gluon vertices to conclude either that the ghost dressing function is finite and non vanishing at zer…

hep-ph2007★ 72 cited

Phenomenological viability of neutralino dark matter in the NMSSM

D. G. Cerdeno, E. Gabrielli, D. E. Lopez-Fogliani +2

The viability of the lightest neutralino as a dark matter candidate in the Next-to-Minimal Supersymmetric Standard Model is analysed. We carry out a thorough analysis of the parame…