Showing 2012 · hep-exShow all

160 papers · 2 filters

hep-ex2012★ 74 cited

Measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 7 TeV with lepton + jets final states

CMS Collaboration

A measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 7 TeV is presented. The results are based on data corresponding to an integrated luminosity of 2…

hep-ex2012★ 367 cited

Study of the mass and spin-parity of the Higgs boson candidate via its decays to Z boson pairs

CMS Collaboration

A study is presented of the mass and spin-parity of the new boson recently observed at the LHC at a mass near 125 GeV. An integrated luminosity of 17.3 inverse femtobarns, collecte…

hep-ex2012★ 54 cited

Search for supersymmetry in pp collisions at sqrt(s) = 7 TeV in events with a single lepton, jets, and missing transverse momentum

The CMS Collaboration

Results are reported from a search for new physics processes in events containing a single isolated high-transverse-momentum lepton (electron or muon), energetic jets, and large mi…

hep-ex2012★ 38 cited

Search for new physics in events with same-sign dileptons and b jets in pp collisions at sqrt(s) = 8 TeV

CMS Collaboration

A search for new physics is performed using events with isolated same-sign leptons and at least two bottom-quark jets in the final state. Results are based on a sample of proton-pr…

hep-ex2012★ 40 cited

Charged kaon femtoscopic correlations in pp collisions at TeV

ALICE Collaboration

Correlations of two charged identical kaons () are measured in pp collisions at ~TeV by the ALICE experiment at the Large Hadron Colli…

hep-ex2012★ 11 cited

Search for contact interactions in opposite-sign dimuon events in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

Results are reported from a search for the effects of contact interactions using events with a high-mass, oppositely charged muon pair. The events are collected in proton-proton co…

hep-ex2012★ 41 cited

Measurement of the cross section for prompt isolated diphoton production using the full CDF Run II data sample

CDF Collaboration

This Letter reports a measurement of the cross section for producing pairs of central prompt isolated photons in proton-antiproton collisions at a total energy of 1.96 TeV using da…

hep-ex2012★ 36 cited

Search for Resonant Top-antitop Production in the Semi-leptonic Decay Mode Using the Full CDF Data Set

CDF Collaboration

This Letter reports a search for a narrow resonant state decaying into two bosons and a bottom-antibottom quark pair where one boson decays leptonically and the other decay…

hep-ex2012★ 37 cited

Updated Measurement of the Strong Phase in D0 --> K+pi- Decay Using Quantum Correlations in e+e- --> D0 D0bar at CLEO

CLEO Collaboration, D. M. Asner, G. Tatishvili +71

We analyze a sample of 3 million quantum-correlated D0 D0bar pairs from 818 pb^-1 of e+e- collision data collected with the CLEO-c detector at E_cm = 3.77 GeV, to give an updated m…

hep-ex2012★ 41 cited

Search for exotic resonances decaying into WZ/ZZ in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

A search for new exotic particles decaying to the VZ final state is performed, where V is either a W or a Z boson decaying into two overlapping jets and the Z decays into a pair of…

hep-ex2012★ 77 cited

Measurement of the ZZ production cross section and search for anomalous couplings in 2l2l' final states in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

A measurement is presented of the ZZ production cross section in the ZZ to 2l 2l' decay mode with l = e, mu and l' = e, mu, tau in proton-proton collisions at sqrt(s) = 7 TeV with…

hep-ex2012★ 34 cited

Search for new physics in events with photons, jets, and missing transverse energy in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

A search for physics beyond the standard model involving events with one or more photons, jets, and missing transverse energy has been performed by the CMS experiment. The data sam…

hep-ex2012★ 23 cited

Measurement of W-Boson Polarization in Top-quark Decay using the Full CDF Run II Data Set

CDF Collaboration

We measure the polarization of W bosons from top-quark (t) decays into final states with a charged lepton and jets, tt --> WbWb --> lvbqqb, using the full Run II data set collected…

hep-ex2012★ 51 cited

Search for Z' resonances decaying to ttbar in dilepton+jets final states in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

A search for resonances decaying to top quark-antiquark pairs is performed using a dilepton+jets data sample recorded by the CMS experiment at the LHC in pp collisions at sqrt(s) =…

hep-ex2012★ 15 cited

Search for supersymmetry in final states with a single lepton, b-quark jets, and missing transverse energy in proton-proton collisions at sqrt(s) = 7 TeV

CMS Collaboration

A search motivated by supersymmetric models with light top squarks is presented using proton-proton collision data recorded with the CMS detector at a center-of-mass energy of sqrt…

hep-ex2012★ 60 cited

Search in leptonic channels for heavy resonances decaying to long-lived neutral particles

CMS Collaboration

A search is performed for heavy resonances decaying to two long-lived massive neutral particles, each decaying to leptons. The experimental signature is a distinctive topology cons…

hep-ex2012★ 180 cited

Measurement of differential top-quark pair production cross sections in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

Normalised differential top-quark pair production cross sections are measured in pp collisions at a centre-of-mass energy of 7 TeV at the LHC with the CMS detector using data recor…

hep-ex2012★ 183 cited

Measurement of the top quark forward-backward production asymmetry and its dependence on event kinematic properties

CDF Collaboration, T. Aaltonen, S. Amerio +406

We present new measurements of the inclusive forward-backward ttbar production asymmetry, AFB, and its dependence on several properties of the ttbar system. The measurements are pe…

hep-ex2012★ 3 cited

Search for a heavy vector boson decaying to two gluons in {$\boldmath{p\bar{p}}$} collisions at {$\boldmath{\sqrt{s}=1.96}$ TeV

CDF Collaboration

We present a search for a new heavy vector boson that decays to gluons. Decays to on-shell gluons are suppressed, leading to a dominant decay mode of . We…

hep-ex2012★ 35 cited

Measurement of the ppbar -> W+b+X production cross section at \sqrt{s}=1.96 TeV

D0 Collaboration

We present a measurement of the cross section for boson production in association with at least one {-quark} jet in proton-antiproton collisions. The measurement is made usi…

hep-ex2012★ 59 cited

Search for supersymmetry in final states with missing transverse energy and 0, 1, 2, or at least 3 b-quark jets in 7 TeV pp collisions using the variable alphaT

CMS Collaboration

A search for supersymmetry in final states with jets and missing transverse energy is performed in pp collisions at a centre-of-mass energy of sqrt(s) = 7 TeV. The data sample corr…

hep-ex2012★ 73 cited

Search for a non-standard-model Higgs boson decaying to a pair of new light bosons in four-muon final states

CMS Collaboration

Results are reported from a search for non-standard-model Higgs boson decays to pairs of new light bosons, each of which decays into the oppositely charged dimuon final state. The…

hep-ex2012★ 82 cited

Measurement of the sum of WW and WZ production with W+dijet events in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

A measurement of the inclusive WW+WZ diboson production cross section in proton-proton collisions is reported, based on events containing a leptonically decaying W boson and exactl…

hep-ex2012★ 31 cited

Search for heavy quarks decaying into a top quark and a W or Z boson using lepton + jets events in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

Results are presented from a search for the pair-production of heavy quarks, Q Q-bar, that decay exclusively into a top quark and a W or Z boson. The search is performed using a sa…