Now showing items 1-20 of 37

    • Azimuthal anisotropy of charged particles at high transverse momenta in Pb-Pb collisions at √s <inf>NN</inf>=2.76TeV 

      Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B.; Wolfgang, Adam; Tumasyan, A. R.; Sirunyan, A. M.; Khachatryan, Vardan; Chatrchyan, S. A. (2012-07-10)
      The azimuthal anisotropy of charged particles in Pb-Pb collisions at ffiffiffiffiffiffiffiffi sNN p ¼ 2:76 TeV is measured with the CMS detector at the LHC over an extended transverse momentum (pT) range up to approximately 60 ...
    • Dijet azimuthal decorrelations in pp collisions at √s=7TeV 

      Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Baarmand, Marc M.; Dorney, B.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B. (2011-03-22)
      Measurements of dijet azimuthal decorrelations in pp collisions at √s=7TeV using the CMS detector at the CERN LHC are presented. The analysis is based on an inclusive dijet event sample corresponding to an integrated ...
    • Indications of suppression of excited? States in Pb-Pb collisions at sNN2.76 TeV 

      Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Baarmand, Marc M.; Dorney, B.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B. (2011-07-28)
      A comparison of the relative yields of resonances in the þ decay channel in Pb-Pb and pp collisions at a center-of-mass energy per nucleon pair of 2.76 TeV is performed with data collected with the CMS detector at ...
    • Measurement of dijet angular distributions and search for quark compositeness in pp collisions at √s=7TeV 

      Khachatryan, Vardan; Sirunyan, A. M.; Bergauer, Thomas; Baarmand, Marc M.; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B.; Dorney, B.; Guragain, S. (2011-05-18)
      Dijet angular distributions are measured over a wide range of dijet invariant masses in pp collisions at ffiffi s p ¼ 7 TeV, at the CERN LHC. The event sample, recorded with the CMS detector, corresponds to an integrated ...
    • Measurement of the B+ production cross section in pp collisions at √s=7TeV 

      Khachatryan, Vardan; Sirunyan, A.M.; Tumasyan, A.; Adam, Wolfgang; Baarmand, Marc M.; Dorney, B.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B. (2011-03-17)
      Measurements of the total and differential cross sections dσ/dpTB and dσ/dyB for B+ mesons produced in pp collisions at √s=7TeV are presented. The data correspond to an integrated luminosity of 5.8pb-1 collected by the CMS ...
    • Measurement of the B0 production cross section in pp collisions at √s=7TeV 

      Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Baarmand, Marc M.; Dorney, B.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B. (2011-06-20)
      Measurements of the differential production cross sections d =dpB T and d =dyB for B0 mesons produced in pp collisions at ffiffi s p ¼ 7 TeV are presented. The data set used was collected by the CMS experiment at the ...
    • Measurement of the B<sup>+</sup> production cross section in pp collisions at √s=7TeV 

      Khachatryan, Vardan Vardan; Sirunyan, A. M.; Bergauer, Thomas; Baarmand, Marc M.; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B.; Dorney, B.; Guragain, S. (2011-03-17)
      Measurements of the total and differential cross sections d =dpB T and d =dyB for Bþ mesons produced in pp collisions at ffiffi s p ¼ 7 TeV are presented. The data correspond to an integrated luminosity of 5:8 pb 1 ...
    • Measurement of the electron charge asymmetry in inclusive W production in pp collisions at √s=7TeV 

      Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Wolfgang, Adam; Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B. (2012-09-11)
      A measurement of the electron charge asymmetry in inclusive pp ! W þ X ! e þ X production at ffiffi s p ¼ 7 TeV is presented based on data recorded by the CMS detector at the LHC and corresponding to an integrated ...
    • Measurement of the inclusive jet cross section in pp collisions at √s=7TeV 

      Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Baarmand, Marc M.; Dorney, B.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B. (2011-09-19)
      The inclusive jet cross section is measured in pp collisions with a center-of-mass energy of 7 TeV at the Large Hadron Collider using the CMS experiment. The data sample corresponds to an integrated luminosity of 34 pb ...
    • Measurement of the isolated prompt photons production cross section in pp collisions at √s=7TeV 

      Khachatryan, Vardan; Sirunyan, A. M.; Bergauer, Thomas; Baarmand, Marc M.; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B.; Dorney, B.; Guragain, S. (2011-02-23)
      The differential cross section for the inclusive production of isolated prompt photons has been measured as a function of the photon transverse energy E T in pp collisions at ffiffi s p ¼ 7 TeV using data recorded by ...
    • Measurement of the isolated prompt photons production cross section in pp collisions at √s=7TeV 

      Khachatryan, Vardan; Sirunyan, A.M.; Tumasyan, A.; Baarmand, Marc M.; Dorney, B.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B. (2011-02-23)
      The differential cross section for the inclusive production of isolated prompt photons has been measured as a function of the photon transverse energy ETγ in pp collisions at √s=7TeV using data recorded by the CMS detector ...
    • Measurement of the polarization of w bosons with large transverse momenta in W+jets events at the LHC 

      Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Baarmand, Marc M.; Dorney, B.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B. (2011-07-06)
      A first measurement of the polarization of W bosons with large transverse momenta in pp collisions is presented. The measurement is based on 36 pb 1 of data recorded at ffiffi s p ¼ 7 TeV by the CMS detector at the LHC. ...
    • Measurement of the pseudorapidity and centrality dependence of the transverse energy density in pb-pb collisions at √s <inf>NN</inf>=2.76TeV 

      Chatrchyan, S. A.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. R.; Wolfgang, Adam; Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B. (2012-10-08)
      The transverse energy (ET) in Pb-Pb collisions at 2.76 TeV nucleon-nucleon center-of-mass energy ( ffiffiffiffiffiffiffiffi sNN p ) has been measured over a broad range of pseudorapidity ( ) and collision centrality by ...
    • Measurement of the t-channel single top quark production cross section in pp collisions at √s=7TeV 

      Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Baarmand, Marc M.; Dorney, B.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B. (2011-08-25)
      Electroweak production of the top quark is measured for the first time in pp collisions at ffiffi s p ¼ 7 TeV, using a data set collected with the CMS detector at the LHC and corresponding to an integrated luminosity of ...
    • Observation of a new Ξ <inf>b</inf> baryon 

      Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Adam, Adam; Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B. (2012-06-21)
      The observation of a new b baryon via its strong decay into b þ (plus charge conjugates) is reported. The measurement uses a data sample of pp collisions at ffiffi s p ¼ 7 TeV collected by the CMS experiment at the ...
    • Observation of sequential Υ suppression in PbPb collisions 

      Sirunyan, A.M.; Chatrchyan, S. A.; Khachatryan, Vardan; Tumasyan, A. R.; Wolfgang, Adam; Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B. (2012-11-26)
      The suppression of the individual ðnSÞ states in PbPb collisions with respect to their yields in pp data has been measured. The PbPb and pp data sets used in the analysis correspond to integrated luminosities of 150 b ...
    • Search for a light pseudoscalar Higgs boson in the dimuon decay channel in pp collisions at √s=7TeV 

      Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Wolfgang, Adam; Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B. (2012-09-20)
      The dimuon invariant mass spectrum is searched in the range between 5.5 and 14 GeV for a light pseudoscalar Higgs boson a, predicted in a number of new physics models, including the next-to-minimal supersymmetric standard ...
    • Search for a vectorlike quark with charge 2/3 in t+Z events from pp collisions at √s=7TeV 

      Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Wolfgang, Adam; Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B. (2011-12-29)
      A search for pair-produced heavy vectorlike charge-2=3 quarks, T, in pp collisions at a center-of-mass energy of 7 TeV, is performed with the CMS detector at the LHC. Events consistent with the flavorchanging-neutral-cu ...
    • Search for a W' or Techni-ρ decaying into WZ in pp collisions at √s=7TeV 

      Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B.; Wolfgang, Adam; Tumasyan, A. R.; Sirunyan, A. M.; Khachatryan, Vardan; Chatrchyan, S. A. (2012-10-02)
      A search is performed in pp collisions at ffiffi s p ¼ 7 TeV for exotic particles decaying via WZ to final states with electrons and muons. The data sample corresponds to an integrated luminosity of approximately 5 fb ...
    • Search for Bs0→μ<sup>+</sup>μ<sup>-</sup> and B0→μ<sup>+</sup>μ<sup>-</sup> decays in pp collisions at √s=7TeV 

      Chatrchyan, S. A.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. R.; Wolfgang, Adam; Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B. (2011-11-01)
      A search for the rare decays B0 s ! þ and B0 ! þ is performed in pp collisions at ffiffi s p ¼ 7 TeV, with a data sample corresponding to an integrated luminosity of 1:14 fb 1, collected by the CMS experiment ...