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Showing 2013Show all

380 papers · 1 filter

hep-th2013★ 19 cited

Non-perturbative procedure for stable -brane

Yuan Zhong, Yu-Xiao Liu, Zhen-Hua Zhao

We propose a novel first-order formalism for a type of -brane systems. An example solution is presented and studied. We illustrate how the noncanonical kinetic term can affect t…

nucl-ex2013★ 81 cited

Transverse-energy distributions at midrapidity in , Au, and AuAu collisions at --200~GeV and implications for particle-production models

S. S. Adler, S. Afanasiev, C. Aidala +388

Measurements of the midrapidity transverse energy distribution, $d\Et/dη$, are presented for , Au, and AuAu collisions at GeV and additiona…

hep-ph2013

On Vector Dominance

V. A. Petrov

We argue that a Regge-pole modification of the VDM puts on equal footing the asymptotic behaviour of electromagnetic and neutral vector meson currents.

hep-lat2013

Study of thermal monopoles in lattice QCD

V. G. Bornyakov, A. G. Kononenko, V. K. Mitrjushkin

The properties of the thermal Abelian color-magnetic monopoles in the maximally Abelian gauge are studied in the vicinity of the confinement-deconfinement phase transition in the l…

hep-ex2013★ 19 cited

Search for a multi-Higgs-boson cascade in WWbb events with the ATLAS detector in pp collisions at sqrt(s) = 8 TeV

ATLAS Collaboration

A search is presented for new particles in an extension to the Standard Model that includes a heavy Higgs boson H0, an intermediate charged Higgs boson pair H+-, and a light Higgs…

astro-ph.CO2013★ 74 cited

Using neural networks to estimate redshift distributions. An application to CFHTLenS

Christopher Bonnett

We present a novel way of using neural networks (NN) to estimate the redshift distribution of a galaxy sample. We are able to obtain a probability density function (PDF) for each g…

hep-ex2013★ 20 cited

Measurement of the and effective lifetimes

LHCb collaboration, R. Aaij, B. Adeva +672

The first measurement of the effective lifetime of the meson in the decay is reported using a proton-proton collision dataset, correspondi…

hep-ex2013★ 94 cited

Search for long-lived stopped R-hadrons decaying out-of-time with pp collisions using the ATLAS detector

ATLAS Collaboration

An updated search is performed for gluino, top squark, or bottom squark R-hadrons that have come to rest within the ATLAS calorimeter, and decay at some later time to hadronic jets…

hep-ex2013★ 96 cited

Measurement of the Branching Fraction Br(Lambda_c+ -> p K- pi+)

A. Zupanc, C. Bartel, N. Gabyshev +184

We present the first model-independent measurement of the absolute branching fraction of the Lambda_c+ -> p K- pi+ decay using a data sample of 978 fb^-1 collected with the Belle d…

hep-ex2013★ 91 cited

Dielectron Mass Spectra from Au+Au Collisions at = 200 GeV

STAR Collaboration, L. Adamczyk, J. K. Adkins +350

We report the STAR measurements of dielectron () production at midrapidity (1) in Au+Au collisions at = 200\,GeV. The measurements are evalua…

hep-ex2013★ 50 cited

Reevaluation of the parton distribution of strange quarks in the nucleon

The HERMES Collaboration, A. Airapetian, N. Akopov +111

An earlier extraction from the HERMES experiment of the polarization-averaged parton distribution of strange quarks in the nucleon has been reevaluated using final data on the mult…

hep-ex2013★ 51 cited

Measurement of four-jet production in proton-proton collisions at sqrt(s) = 7 TeV

CMS Collaboration

Measurements of the differential cross sections for the production of exactly four jets in proton-proton collisions are presented as a function of the transverse momentum pt and ps…

nucl-ex2013★ 97 cited

Event activity dependence of Y(nS) production in sqrt(s[NN]) = 5.02 TeV pPb and sqrt(s) = 2.76 TeV pp collisions

CMS Collaboration

The production of Y(1S), Y(2S), and Y(3S) is investigated in pPb and pp collisions at centre-of-mass energies per nucleon pair of 5.02 TeV and 2.76 TeV, respectively. The datasets…

hep-ex2013★ 137 cited

Measurement of the muon charge asymmetry in inclusive pp to WX production at sqrt(s) = 7 TeV and an improved determination of light parton distribution functions

CMS Collaboration

Measurements of the muon charge asymmetry in inclusive pp to WX production at sqrt(s) = 7 TeV are presented. The data sample corresponds to an integrated luminosity of 4.7 inverse…

hep-ex2013★ 132 cited

Study of double parton scattering using W + 2-jet events in proton-proton collisions at sqrt(s) = 7 TeV

CMS Collaboration

Double parton scattering is investigated in proton-proton collisions at sqrt(s) = 7 TeV where the final state includes a W boson, which decays into a muon and a neutrino, and two j…

hep-lat2013★ 108 cited

Deconfinement transition in two-flavour lattice QCD with dynamical overlap fermions in an external magnetic field

V. G. Bornyakov, P. V. Buividovich, N. Cundy +2

We study the influence of an external magnetic field on the deconfinement transition in two-flavour lattice QCD with physical quark charges. We use dynamical overlap fermions witho…

hep-ex2013★ 502 cited

Measurement of the properties of a Higgs boson in the four-lepton final state

CMS Collaboration

The properties of a Higgs boson candidate are measured in the H to ZZ to 4l decay channel, with l = e, mu, using data from pp collisions corresponding to an integrated luminosity o…

nucl-ex2013★ 107 cited

Evidence of b-jet quenching in PbPb collisions at sqrt(s[NN]) = 2.76 TeV

CMS Collaboration

The production of jets associated to bottom quarks is measured for the first time in PbPb collisions at a center-of-mass energy of 2.76 TeV per nucleon pair. Jet spectra are report…

hep-ex2013★ 79 cited

Search for flavor-changing neutral currents in top-quark decays t to Zq in pp collisions at sqrt(s) = 8 TeV

CMS Collaboration

A search for flavor-changing neutral currents in top-quark decays t to Zq is performed in events produced from the decay chain t t-bar to Zq + Wb, where both vector bosons decay le…

nucl-ex2013★ 107 cited

Suppression of Upsilon Production in d+Au and Au+Au Collisions at sqrt(s_NN) = 200 GeV

L. Adamczyk, J. K. Adkins, G. Agakishiev +354

We report measurements of Upsilon meson production in p+p, d+Au, and Au+Au collisions using the STAR detector at RHIC. We compare the Upsilon yield to the measured cross section in…

hep-ex2013★ 88 cited

Measurement of dijet cross sections in pp collisions at 7 TeV centre-of-mass energy using the ATLAS detector

ATLAS Collaboration

Double-differential dijet cross sections measured in pp collisions at the LHC with a 7 TeV centre-of-mass energy are presented as functions of dijet mass and rapidity separation of…

hep-ph2013★ 162 cited

Very boosted Higgs in gluon fusion

Christophe Grojean, Ennio Salvioni, Matthias Schlaffer +1

The Higgs production and decay rates offer a new way to probe new physics beyond the Standard Model. While dynamics aiming at alleviating the hierarchy problem generically predict…

hep-ex2013★ 60 cited

Search for top squark and higgsino production using diphoton Higgs boson decays

CMS Collaboration

Results are presented of a search for a "natural" supersymmetry scenario with gauge mediated symmetry breaking. It is assumed that only the supersymmetric partners of the top quark…

hep-ph2013★ 23 cited

Electroweak and supersymmetry breaking from the Higgs discovery

Antonio Delgado, Mateo Garcia, Mariano Quiros

We will explore the consequences on the electroweak breaking condition, the mass of supersymmetric partners and the scale at which supersymmetry is broken, for arbitrary values of…