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hep-ex2009★ 84 cited

Determination of the strong coupling constant from the inclusive jet cross section in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. M. Abazov

We determine the strong coupling constant alphas and its energy dependence from the pT dependence of the inclusive jet cross section in ppbar collisions at sqrt(s)=1.96 TeV. The st…

hep-lat2009★ 97 cited

SU(2) lattice gluon propagator: continuum limit, finite-volume effects and infrared mass scale m_IR

V. G. Bornyakov, V. K. Mitrjushkin, M. Müller-Preussker

We study the scaling behavior and finite (physical) volume effects as well as the Gribov copy dependence of the SU(2) Landau gauge gluon propagator on the lattice. Our physical lat…

hep-ph2009★ 33 cited

Properties of the massive Gross-Neveu model with nonzero baryon and isospin chemical potentials

D. Ebert, K. G. Klimenko

The properties of the two-flavored Gross-Neveu model with nonzero current quark mass are investigated in the (1+1)-dimensional spacetime at finite isospin as well as quark nu…

hep-ex2009★ 75 cited

Measurement of the Production Cross Section and Search for Anomalous and Couplings in Collisions at TeV

The CDF Collaboration, T. Aaltonen

This Letter describes the current most precise measurement of the boson pair production cross section and most sensitive test of anomalous and couplings in $p \bar…

physics.ins-det2009★ 21 cited

Radiation hardness qualification of PbWO4 scintillation crystals for the CMS Electromagnetic Calorimeter

The CMS Electromagnetic Calorimeter Group, P. Adzic, N. Almeida +267

Ensuring the radiation hardness of PbWO4 crystals was one of the main priorities during the construction of the electromagnetic calorimeter of the CMS experiment at CERN. The produ…

hep-ex2009★ 29 cited

Measurement of the Lambda_b Lifetime in Lambda_b -> Lambda_c+ pi- Decays in p-pbar Collisions at sqrt(s) = 1.96 TeV

The CDF Collaboration, T. Aaltonen

We report a measurement of the lifetime of the Lambda_b baryon in decays to the Lambda_C+ pi- final state in a sample corresponding to 1.1 fb^-1 collected in p-pbar collisions at s…

astro-ph.HE2009★ 2 cited

Pinpointing the TeV gamma-ray emission region in M87 using TeV and 43 GHz radio monitoring

R. M. Wagner, M. Beilicke, F. Davies +8

The TeV radio galaxy M87 is the first radio galaxy detected in the TeV regime. The structure of its jet, which is not pointing towards our line of sight, is spatially resolved in X…

nucl-ex2009★ 65 cited

Studying Parton Energy Loss in Heavy-Ion Collisions via Direct-Photon and Charged-Particle Azimuthal Correlations

The STAR Collaboration, B. I. Abelev

Charged-particle spectra associated with direct photon () and are measured in + and Au+Au collisions at center-of-mass energy GeV with…

hep-ph2009★ 3 cited

Mass of nonrelativistic meson from leading twist distribution amplitudes

V. V. Braguta

In this paper distribution amplitudes of pseudoscalar and vector nonrelativistic mesons are considered. Using equations of motion for the distribution amplitudes, it is derived rel…

hep-ph2009★ 14 cited

High energy constraints in the octet SS-PP correlator and resonance saturation at NLO in 1/Nc

J. J. Sanz-Cillero, J. Trnka

We study the octet SS-PP correlator within resonance chiral theory up to the one-loop level, i.e., up to next-to-leading order in the 1/Nc expansion. We will require that our corre…

hep-ex2009★ 16 cited

Cross-Sections of Large-Angle Hadron Production in Proton- and Pion-Nucleus Interactions V: Lead Nuclei and Beam Momenta from +/-3 Gev/c to +/-15 Gev/c

CDP group

We report on double-differential inclusive cross-sections of the production of secondary protons, charged pions, and deuterons, in the interactions with a 5% nuclear interaction le…

hep-ex2009★ 20 cited

Search for the Standard Model Higgs Boson in the ZH->vvbb Channel in 5.2 fb-1 of p-pbar Collisions at sqrt(s)=1.96 TeV

D0 Collaboration

A search is performed for the standard model Higgs boson in 5.2 fb-1 of p-pbar collisions at sqrt(s)=1.96 TeV, collected with the D0 detector at the Fermilab Tevatron Collider. The…

hep-ex2009★ 187 cited

Double parton interactions in photon+3 jet events in ppbar collisions sqrt{s}=1.96 TeV

D0 Collaboration

We have used a sample of photon+3 jets events collected by the D0 experiment with an integrated luminosity of about 1 fb^-1 to determine the fraction of events with double parton s…

hep-ex2009★ 149 cited

Observation of a charmonium-like enhancement in the gamma gamma --> omega J/psi process

The Belle Collaboration, S. Uehara

We report the results of a search for a charmonium-like state produced in the process gamma gamma --> omega J/psi in the 3.9-4.2 GeV/c^2 mass region. We observe a significant enhan…

hep-ex2009★ 91 cited

Three-particle coincidence of the long range pseudorapidity correlation in high energy nucleus-nucleus collisions

STAR Collaboration, B. I. Abelev

We report the first three-particle coincidence measurement in pseudorapidity () between a high transverse momentum () trigger particle and two lower asso…

hep-ex2009★ 49 cited

Inclusive pi^0, eta, and direct photon production at high transverse momentum in p+p and d+Au collisions at sqrt(s_NN) = 200 GeV

The STAR Collaboration, B. I. Abelev

We report a measurement of high-p_T inclusive pi^0, eta, and direct photon production in p+p and d+Au collisions at sqrt(s_NN) = 200 GeV at midrapidity (0 < eta < 1). Photons from…

hep-ex2009★ 131 cited

Evidence for a new resonance and search for the Y(4140) in

The Belle Collaboration, C. P. Shen

The process $γγ\to ϕ\jpsi$ is measured for $ϕ\jpsi$ masses between threshold and 5 GeV/, using a data sample of 825 fb collected with the Belle detector. A narrow…

hep-ex2009★ 85 cited

Transverse momentum dependence of J/psi polarization at midrapidity in p+p collisions at sqrt(s)=200 GeV

PHENIX Collaboration, A. Adare

We report the measurement of the transverse momentum dependence of inclusive J/psi polarization in p+p collisions at sqrt(s)=200 GeV performed by the PHENIX Experiment at RHIC. The…

hep-ex2009★ 11 cited

Search for Technicolor Particles Produced in Association with a W Boson at CDF

The CDF Collaboration, T. Aaltonen

We present a search for the technicolor particles and in the process at a center of mass energy of . The…

hep-th2009★ 2 cited

Intercepts of meson Regge trajectories in SU() quantum chromodynamics with massless quarks

A. A. Godizov

By means of solving the Bethe-Salpeter equation with the minimal perturbative kernel (ladder approximation) in the arbitrary covariant gauge, there was found a series of intercepts…

hep-ph2009★ 65 cited

Dark matter stability and unification without supersymmetry

Michele Frigerio, Thomas Hambye

In the absence of low energy supersymmetry, we show that (a) the dark matter particle alone at the TeV scale can improve gauge coupling unification, raising the unification scale u…

hep-ph2009★ 60 cited

New-physics contributions to the forward-backward asymmetry in B -> K* mu+ mu-

Ashutosh Kumar Alok, Amol Dighe, Diptimoy Ghosh +4

We study the forward-backward asymmetry (AFB) and the differential branching ratio (DBR) in B -> K* mu+ mu- in the presence of new physics (NP) with different Lorentz structures. W…

hep-ex2009★ 36 cited

Search for Pair Production of Supersymmetric Top Quarks in Dilepton Events from Collisions at = 1.96 TeV

CDF Collaboration

We present the results of a search for pair production of the supersymmetric partner of the top quark (the stop quark ) decaying to a -quark and a chargino $\char…

hep-ph2009★ 4 cited

Pair production of fundamental unstable particles in modified perturbation theory in NNLO

M. L. Nekrasov

We consider pair production and decay of fundamental unstable particles in the framework of a modified perturbation theory (MPT) treating resonant contributions in the sense of dis…