Recent Submissions

  • Measurement of the production cross section ratio σ(χb2(1P))/σ(χb1(1P)) in pp collisions at s=8TeV 

    Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Bergauer, Thomas; Dragicevic, Markos; Baarmand, Marc M.; Hohlmann, Marcus; Kalakhety, H.; Yumiceva, Francisco X. (2015-04-09)
    A measurement of the production cross section ratio σ(χb2(1P))/σ(χb1(1P)) is presented. The χb1(1P) and χb2(1P) bottomonium states, promptly produced in pp collisions at s=8TeV, are detected by the CMS experiment at the ...
  • Model of electromagnetic ion cyclotron waves in the inner magnetosphere 

    Gamayunov, Konstantin V.; Engebretson, Mark J.; Zhang, Ming; Rassoul, Hamid K. (2014-09-25)
    The evolution of He+-mode electromagnetic ion cyclotron (EMIC) waves is studied inside the geostationary orbit using our global model of ring current (RC) ions, electric field, plasmasphere, and EMIC waves. In contrast to ...
  • Evidence for the 125 gev higgs boson decaying to a pair of τ leptons 

    Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Yumiceva, Francisco X. (2014-05)
    A search for a standard model Higgs boson decaying into a pair of τ leptons is performed using events recorded by the CMS experiment at the LHC in 2011 and 2012. The dataset corresponds to an integrated luminosity of 4.9 ...
  • Search for W′→tb decays in the lepton + jets final state in pp collisions at √s = 8TeV 

    Baarmand, Marc M.; Hohlmann, Marcus; Kalakhety, H.; Yumiceva, Francisco X.; Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Bergauer, Thomas (2014-05)
    Results are presented from a search for the production of a heavy gauge boson W′ decaying into a top and a bottom quark, using a data set collected by the CMS experiment at √s = 8TeV and corresponding to an integrated ...
  • Search for stealth supersymmetry in events with jets, either photons or leptons, and low missing transverse momentum in pp collisions at 8 TeV 

    Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Bergauer, Thomas; Dragicevic, Marko; Baarmand, Marc M.; Hohlmann, Marcus; Kalakhety, H.; Yumiceva, Francisco X. (2015-04-09)
    The results of a search for new physics in final states with jets, either photons or leptons, and low missing transverse momentum are reported. The study is based on a sample of proton-proton collisions collected at a ...
  • Search for monotop signatures in proton-proton collisions at s =8TeV 

    Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Bergauer, Thomas; Dragicevic, Marko; Baarmand, Marc M.; Hohlmann, Marcus; Kalakhety, H.; Yumiceva, Francisco X. (2015-03-10)
    Results are presented from a search for new decaying massive particles whose presence is inferred from an imbalance in transverse momentum and which are produced in association with a single top quark that decays into a ...
  • An analytical approach for calculating energy spectra of relativistic runaway electron avalanches in air 

    Cramer, Eric S.; Dwyer, Joseph R.; Arabshahi, Shahab; Liu, Ningyu; Rassoul, Hamid K.; Vodopiyanov, Igor (2014-09-15)
    Simplified equations describing the transport and energy spectrum of runaway electrons are derived from the basic kinematics of the continuity equations. These equations are useful in modeling the energy distribution of ...
  • The nuclear near-infrared spectral properties of nearby galaxies 

    Perlman, Eric S.; Mason, Rachel E.; Rodríguez-Ardila, Alberto; Martins, Lucimara P.; Riffel, Rogério; Martín, O. González; Almeida, Carlos Ramos; Dutra, D. Ruschel; Ho, Luis C.; Thanjavur, Karun (2015-03)
    We present spectra of the nuclear regions of 50 nearby (D = 1-92 Mpc, median = 20 Mpc) galaxies of morphological types E to Sm. The spectra, obtained with the Gemini Near-IR Spectrograph on the Gemini North telescope, cover ...
  • Evidence for the 125 GeV Higgs boson decaying to a pair of τ leptons 

    Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Hohlmann, Marcus; Kalakhety, H.; Yumiceva, Francisco X.; Bergauer, Thomas (2014-05)
    A search for a standard model Higgs boson decaying into a pair of τ leptons is performed using events recorded by the CMS experiment at the LHC in 2011 and 2012. The dataset corresponds to an integrated luminosity of 4.9 ...
  • Integrodifferential diffusion equation for continuous-time random walk 

    Wang, Kegang; Fa, Kwok Sau (2010-01-21)
    In this paper, we present an integrodifferential diffusion equation for continuous-time random walk that is valid for a generic waiting time probability density function. Using this equation, we also study diffusion behaviors ...
  • Continuous time random walk with generic waiting time and external force 

    Wang, Kegang (2010-05-20)
    We derive an integrodifferential diffusion equation for decoupled continuous time random walk that is valid for a generic waiting time probability density function and external force. Using this equation we also study ...
  • The nonlinear coupling of electromagnetic ion cyclotron and lower hybrid waves in the ring current region: the magnetic storm 1–7 May 1998 

    Gamayunov, Konstantin V.; Avanov, L. A.; Khazanov, G. V.; Krivorutsky, E. N. (2004-04-14)
    The excitation of lower hybrid waves (LHWs) is a widely discussed mechanism of interaction between plasma species in space, and is one of the unresolved questions of magnetospheric multi-ion plasmas. In this paper we ...
  • LP 400-22, a Very Low Mass and High-Velocity White Dwarf 

    Kawka, Adéla; Vennes, Stéphane; Oswalt, Terry D.; Smith, J. Allyn; Silvestri, Nicole M. (2006-03-08)
    We report the identification of LP 400-22 (WD 2234+222) as a very low mass and high-velocity white dwarf. The ultraviolet GALEX and optical photometric colors and a spectral line analysis of LP 400-22 show this star to ...
  • Thunderstorm characteristics associated with RHESSI identified terrestrial gamma ray flashes 

    Splitt, Michael E.; Lazarus, Steven M.; Barnes, Diana H.; Smith, David M.; Hazelton, Bryna J.; Grefenstette, Brian W.; Dwyer, Joseph R.; Rassoul, Hamid K. (2010-06-23)
    The characteristics of thunderstorms that produce terrestrial gamma-ray flashes (TGFs) observed by the Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) are determined using climatological and meteorological ...
  • Measurement of Υ(1S+2S+3S) production in p+p and Au + Au collisions at sNN−−−√=200 GeV 

    Baksay, Gyöngyi; Baksay, László A; Hohlmann, Marcus; Rembeczki, Szabolcs; Adare, Andrew Marshall; Afanasiev, Sergei V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki; Akimoto, R. (2015-02-24)
    Measurements of bottomonium production in heavy-ion and p+p collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The inclusive yield of the three Υ states, Υ(1S+2S+3S), was measured in the PHENIX experiment ...
  • Enhanced production of direct photons in Au+Au collisions at √sNN=200GeV and implications for the initial temperature 

    Baksay, László A; Baksay, Gyöngyi; Dehmelt, Klaus; Hohlmann, Marcus; Rembeczki, Szabolcs; Adare, Andrew Marshall; Afanasiev, Sergei V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki (2010-03-29)
    The production of e+e- pairs for me+e -<0.3GeV/c2 and 1<pT<5GeV/c is measured in p+p and Au+Au collisions at √sNN=200GeV. An enhanced yield above hadronic sources is observed. Treating the excess as photon internal ...
  • Transition in yield and azimuthal shape modification in dihadron correlations in relativistic heavy ion collisions 

    Baksay, Gyöngyi; Baksay, László A; Hohlmann, Marcus; Rembeczki, Szabolcs; Adare, Andrew Marshall; Afanasiev, Sergei V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki; Al-Bataineh, H. (2010-06-21)
    Hard-scattered parton probes produced in collisions of large nuclei indicate large partonic energy loss, possibly with collective produced-medium response to the lost energy. We present measurements of π0 trigger particles ...
  • Transverse-momentum and pseudorapidity distributions of charged hadrons in pp collisions at √s=7TeV 

    Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Baarmand, Marc M.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Mermerkaya, H.; Ralich, Robert M.; Vodopiyanov, Igor (2010-07-06)
    Charged-hadron transverse-momentum and pseudorapidity distributions in proton-proton collisions at √s=7TeV are measured with the inner tracking system of the CMS detector at the LHC. The charged-hadron yield is obtained ...
  • First measurement of Bose-Einstein correlations in proton-proton collisions at √s=0.9 and 2.36 TeV at the LHC 

    Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Baarmand, Marc M.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Mermerkaya, H.; Ralich, Robert M.; Vodopiyanov, Igor (2010-07-13)
    Bose-Einstein correlations have been measured using samples of proton-proton collisions at 0.9 and 2.36 TeV center-of-mass energies, recorded by the CMS experiment at the CERN Large Hadron Collider. The signal is observed ...
  • Elliptic and hexadecapole flow of charged hadrons in Au+Au collisions at √sNN=200GeV 

    Baksay, Gyöngyi; Baksay, László A; Hohlmann, Marcus; Adare, Andrew Marshall; Afanasiev, Sergei V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki; Al-Bataineh, H.; Alexander, John M. (2010-08-04)
    Differential measurements of the elliptic (v2) and hexadecapole (v4) Fourier flow coefficients are reported for charged hadrons as a function of transverse momentum (pT) and collision centrality or number of participant ...

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