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  • 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 ...
  • Observation of direct-photon collective flow in Au+Au collisions at √S<inf>NN</inf> = 200 GeV 

    Baksay, Gyöngyi; Baksay, László A.; Aoki, Kazuya; Alexander, John M.; Al-Bataineh, H.; Akiba, Yasuyuki; Ajitanand, N. N.; Aidala, Christine A.; Afanasiev, Sergey V.; Hohlmann, Marcus (2012-09-12)
    The second Fourier component v2 of the azimuthal anisotropy with respect to the reaction plane is measured for direct photons at midrapidity and transverse momentum (pT) of 1–12 GeV=c in Au þ Au collisions at ...
  • Search for supersymmetry at the LHC in events with jets and missing transverse energy 

    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. (2011-11-21)
    A search for events with jets and missing transverse energy is performed in a data sample of pp collisions collected at ffiffi s p ¼ 7 TeV by the CMS experiment at the LHC. The analyzed data sample corresponds to an ...
  • Search for the standard model Higgs boson in the decay channel H→ZZ→4l 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. (2012-03-13)
    A search for a Higgs boson in the four-lepton decay channel H ! ZZ, with each Z boson decaying to an electron or muon pair, is reported. The search covers Higgs boson mass hypotheses in the range of 110 < mH < 600 GeV. ...
  • 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 ...
  • 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 ...
  • Cold nuclear matter effects on J/ψ yields as a function of rapidity and nuclear geometry in d+A collisions at √s<inf>NN</inf>=200GeV 

    Adare, Andrew Marshall; Afanasiev, Sergey V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki; Al-Bataineh, H.; Baksay, Gyöngyi; Baksay, László A.; Hohlmann, Marcus; Rembeczki, S. (2011-09-27)
    We present measurements of J=c yields in d þ Au collisions at ffiffiffiffiffiffiffiffi sNN p ¼ 200 GeV recorded by the PHENIX experiment and compare them with yields in p þ p collisions at the same energy per ...
  • 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 ...
  • Measurements of higher order flow harmonics in Au+Au collisions at √s<inf>NN</inf>=200GeV 

    Adare, Andrew Marshall; Afanasiev, Sergey V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki; Al-Bataineh, H.; Alexander, John M.; Kazuya, Aoki; Baksay, Gyöngyi; Baksay, László A.; Hohlmann, Marcus (2011-12-14)
    Flow coefficients vn for n ¼ 2, 3, 4, characterizing the anisotropic collective flow in Au þ Au collisions at ffiffiffiffiffiffiffiffi sNN p ¼ 200 GeV, are measured relative to event planes n, determined at large rapidity. ...
  • Suppression pattern of neutral pions at high transverse momentum in Au+Au collisions at sNN=200GeV and constraints on medium transport coefficients 

    Adare, Andrew Marshall; Afanasiev, \Sergey V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki; Baksay, Gyöngyi; Baksay, László A.; Hohlmann, Marcus; Rembeczki, S.; Dehmelt, Klaus (2008-12-03)
    For Au þ Au collisions at 200 GeV, we measure neutral pion production with good statistics for transverse momentum, pT, up to 20 GeV=c. A fivefold suppression is found, which is essentially constant for 5 < pT < 20 GeV=c. ...
  • Gluon-Spin contribution to the proton spin from the double-helicity asymmetry in inclusive π0 production in polarized p+p collisions at s=200GeV 

    Adare, Andrew Marshall; Afanasiev, Sergey V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki; Al-Bataineh, H.; Baksay, Gyöngyi; Baksay, László A.; Hohlmann, Marcus; Rembeczki, S. (2009-07-01)
    The double helicity asymmetry in neutral pion production for pT ¼ 1 to 12 GeV=c was measured with the PHENIX experiment to access the gluon-spin contribution, G, to the proton spin. Measured asymmetries are consistent ...
  • Search for dark matter and large extra dimensions in pp collisions yielding a photon and missing transverse energy 

    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. (2012-06-27)
    Results are presented from a search for new physics in the final state containing a photon ( ) and missing transverse energy (E6T). The data correspond to an integrated luminosity of 5:0 fb 1 collected in pp collisions ...
  • 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 ...
  • Formation of streamer discharges from an isolated ionization column at subbreakdown conditions 

    Ningyu, Liu; Kosar, Burcu C.; Sadighi, Samaneh; Dwyer, Joseph R.; Rassoul, Hamid K. (2012-07-10)
    This Letter reports a modeling study on the formation of streamer discharges from an isolated ionization column under subbreakdown condition. Numerical simulations show that positive streamers are able to form from the ...
  • Search for new physics with same-sign isolated dilepton events with jets and missing transverse energy 

    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. (2012-08-16)
    A search for new physics is performed in events with two same-sign isolated leptons, hadronic jets, and missing transverse energy in the final state. The analysis is based on a data sample corresponding to an integrated ...
  • Search for pair production of first-generation scalar leptoquarks in pp collisions at √s=7TeV 

    Khachatryan, V.; Sirunyan, A. M.; Bergauer, Thomas; Baarmand, Marc M.; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B.; Dorney, B.; Guragain, S. (2011-05-17)
    A search for pair production of first-generation scalar leptoquarks is performed in the final state containing two electrons and two jets using proton-proton collision data at ffiffi s p ¼ 7 TeV. The data sample used ...
  • Search for neutral minimal supersymmetric standard model higgs bosons decaying to tau pairs in pp collisions at √s=7TeV 

    Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Baarmand, Marc M.; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B.; Dorney, B.; Guragain, S. (2011-06-08)
    A search for neutral minimal supersymmetric standard model (MSSM) Higgs bosons in pp collisions at the LHC at a center-of-mass energy of 7 TeV is presented. The results are based on a data sample corresponding to an ...
  • 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 ...
  • J/ψ Production versus transverse momentum and rapidity in p+p collisions at s=200GeV 

    Adare, Andrew Marshall; Afanasiev, Sergey V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki; Baksay, László A.; Hohlmann, Marcus; Rembeczki, S.; Dehmelt, K.; Baksay, Gyöngyi (2007-06-08)
    J= production in p p collisions at s p 200 GeV has been measured by the PHENIX experiment at the BNL Relativistic Heavy Ion Collider over a rapidity range of 2:2 <y< 2:2 and a transverse momentum range of 0 < pT ...
  • J/ψ production in sNN=200GeV Cu+Cu collisions 

    Adare, Andrew Marshall; Afanasiev, Sergey V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki; Baksay, Gyöngyi; Baksay, László A.; Hohlmann, Marcus; Rembeczki, S.; Dehmelt, K. (2008-09-18)
    Yields for J=c production in Cu þ Cu collisions at ffiffiffiffiffiffiffiffi sNN p ¼ 200 GeV have been measured over the rapidity range jyj < 2:2 and compared with results in p þ p and Au þ Au collisions at the same ...

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