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19912026
Showing 2013 · hep-exShow all

51 papers · 2 filters

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…

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★ 4 cited

Search for the decay

The BABAR Collaboration

We report a search for the decay . Using a data sample of pairs collect…

hep-ex2013★ 101 cited

Measurement of the B->Xsl+l- branching fraction and search for direct CP violation from a sum of exclusive final states

The BABAR Collaboration, J. P. Lees, others

We present a measurement of the total branching fraction of the flavor-changing neutral-current process B->Xsl+l-, along with partial branching fractions in bins of dilepton and ha…

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-ex2013★ 5 cited

Evidence for the decay B0 --> omega omega and search for B0 --> omega phi

The BABAR Collaboration, J. P. Lees, V. Poireau +333

We describe searches for B meson decays to the charmless vector-vector final states omega omega and omega phi with 471 x 10^6 B Bbar pairs produced in e+ e- annihilation at sqrt(s)…

hep-ex2013★ 88 cited

Measurement of the inclusive isolated prompt photon cross section in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector using 4.6 fb-1

ATLAS Collaboration

A measurement of the cross section for the production of isolated prompt photons in pp collisions at a center-of-mass energy sqrt(s) = 7 TeV is presented. The results are based on…

hep-ex2013★ 71 cited

Measurement of the top quark pair production charge asymmetry in proton-proton collisions at 7 TeV using the ATLAS detector

ATLAS Collaboration

This letter presents a measurement of the top quark pair (tt) production charge asymmetry Ac using 4.7 fb-1 of proton-proton collisions at a centre-of-mass energy of 7 TeV collecte…

hep-ex2013★ 46 cited

Search for Quantum Black-Hole Production in High-Invariant-Mass Lepton+Jet Final States Using Proton-Proton Collisions at sqrt(s) = 8 TeV and the ATLAS Detector

ATLAS Collaboration

This Letter presents a search for quantum black-hole production using 20.3 inverse fb of data collected with the ATLAS detector in pp collisions at the LHC at sqrt(s) = 8 TeV. The…

hep-ex2013★ 35 cited

Search for lepton-number violating B+ -> X- l+ l'+ decays

J. P. Lees, others, The BABAR Collaboration

We report on a search for eleven lepton-number violating processes B+ -> X- l+ l'+ with X- = K-, pi-, rho-, K*- or D- and l+/l'+ = e+ or mu+, using a sample of 471+/-3 million BBba…

hep-ex2013★ 106 cited

Measurement of Collins asymmetries in inclusive production of charged pion pairs in e^+e^- annihilation at BABAR

The BABAR Collaboration

We present measurements of Collins asymmetries in the inclusive process e+e- -->pi pi X, where pi stands for charged pions, at a center-of-mass energy of 10.6 GeV. We use a data sa…

hep-ex2013★ 186 cited

Search for dark matter in events with a hadronically decaying W or Z boson and missing transverse momentum in pp collisions at sqrt(s)=8 TeV with the ATLAS detector

ATLAS Collaboration

A search is presented for dark matter pair production in association with a W or Z boson in pp collisions representing 20.3 fb-1 of integrated luminosity at sqrt(s)=8 TeV using dat…

hep-ex2013★ 21 cited

Search for microscopic black holes in a like-sign dimuon final state using large track multiplicity with the ATLAS detector

ATLAS Collaboration

A search is presented for microscopic black holes in a like-sign dimuon final state in proton--proton collisions at sqrt(s)= 8 TeV. The data were collected with the ATLAS detector…

hep-ex2013★ 194 cited

Search for direct third-generation squark pair production in final states with missing transverse momentum and two b-jets in sqrt{s}=8 TeV pp collisions with the ATLAS detector

ATLAS Collaboration

The results of a search for pair production of supersymmetric partners of the Standard Model third-generation quarks are reported. This search uses 20.1 fb-1 of pp collisions at sq…

hep-ex2013★ 11 cited

Measurement of the B+ --> omega l+ nu branching fraction with semileptonically tagged B mesons

The BABAR Collaboration, J. P. Lees, others

We report a measurement of the branching fraction of the exclusive charmless semileptonic decay B+ --> omega l+ nu, where l is either an electron or a muon. We use samples of B+ me…

hep-ex2013★ 82 cited

Measurement of the e+e- --> p anti-p cross section in the energy range from 3.0 to 6.5 GeV

The BABAR Collaboration, J. P. Lees, others

The e+ e- --> p anti-p cross section and the proton magnetic form factor have been measured in the center-of-mass energy range from 3.0 to 6.5 GeV using the initial-state-radiation…

hep-ex2013★ 36 cited

Search for excited electrons and muons in sqrt(s)=8 TeV proton-proton collisions with the ATLAS detector

The ATLAS Collaboration

The ATLAS detector at the LHC is used to search for excited electrons and excited muons in the channel pp -> ll* -> llgamma, assuming that excited leptons are produced via contact…

hep-ex2013★ 13 cited

Measurement of the Mass of the D0 Meson

The BABAR Collaboration

We report a measurement of the D0 meson mass using the decay chain D*(2010)+ -> D0 pi+ with D0 -> K- K- K+ pi+. The data were recorded with the BaBar detector at center-of-mass ene…

hep-ex2013★ 143 cited

Search for new phenomena in final states with large jet multiplicities and missing transverse momentum at sqrt(s)=8 TeV proton-proton collisions using the ATLAS experiment

ATLAS Collaboration

A search is presented for new particles decaying to large numbers (7 to greater or equal to 10) of jets, missing transverse momentum and no isolated electrons or muons. This analys…

hep-ex2013★ 44 cited

Dynamics of isolated-photon plus jet production in pp collisions at sqrt(s)=7 TeV with the ATLAS detector

ATLAS Collaboration

The dynamics of isolated-photon plus jet production in pp collisions at a centre-of-mass energy of 7 TeV has been studied with the ATLAS detector at the LHC using an integrated lum…

hep-ex2013★ 22 cited

Search for a light Higgs boson decaying to two gluons or ss-bar in the radiative decays of Y(1S)

The BABAR Collaboration, J. P. Lees, others

We search for the decay Y(1S) -> gamma A0, A0 -> gg or ss-bar, where A0 is the pseudoscalar light Higgs boson predicted by the next-to-minimal supersymmetric standard model. We use…

hep-ex2013★ 43 cited

Measurement of jet shapes in top pair events at sqrt(s) = 7 TeV using the ATLAS detector

ATLAS Collaboration

A measurement of jet shapes in top-quark pair events using 1.8 fb(-1) of sqrt(s) = 7 TeV pp collision data recorded by the ATLAS detector at the LHC is presented. Samples of top-qu…

hep-ex2013★ 32 cited

Measurement of the top quark charge in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

The ATLAS Collaboration

A measurement of the top quark electric charge is carried out in the ATLAS experiment at the Large Hadron Collider using 2.05 fb-1 of data at a centre-of-mass energy of 7 TeV. In u…

hep-ex2013★ 46 cited

Measurement of the differential cross-section of B+ meson production in pp collisions at sqrt(s) = 7 TeV at ATLAS

ATLAS Collaboration

The production cross-section of B+ mesons is measured as a function of transverse momentum pT and rapidity y in proton--proton collisions at center-of-mass energy sqrt(s) = 7 TeV,…