Browsing by Author "Vodopiyanov, Igor B."

Now showing items 21-37 of 37

    • 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 ...

    • Search for heavy neutrinos and W<inf>R</inf> bosons with right-handed couplings in a left-right symmetric model in pp collisions at √s=7 TeV 

      Chatrchyan, S.; Khachatryan, V.; Sirunyan, A.M.; Adam, W.; Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B.; Yumiceva, Francisco X. (2012-12-27)
      Results are presented from a search for heavy, right-handed muon neutrinos, N , and right-handed WR bosons, which arise in the left-right symmetric extensions of the standard model. The analysis is based on a 5:0 fb 1 ...

    • 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 new physics with a monojet and missing transverse energy 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. (2011-11-10)
      A study of events with missing transverse energy and an energetic jet is performed using pp collision data at a center-of-mass energy of 7 TeV. The data were collected by the CMS detector at the LHC, and correspond to ...

    • 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, Vardan; Sirunyan, A.M.; Tumasyan, A.; Baarmand, Marc M.; Dorney, B.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B. (2011-05-27)
      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 √s=7TeV. The data sample used corresponds to ...

    • 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 pair production of second-generation scalar leptoquarks 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. (2011-05-17)
      A search for pair production of second-generation scalar leptoquarks in the final state with two muons and two jets is performed using proton-proton collision data at ffiffi s p ¼ 7 TeV collected by the CMS detector at ...

    • Search for signatures of extra dimensions in the diphoton mass spectrum at the large hadron collider 

      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. (2012-03-12)
      A search for signatures of extra spatial dimensions in the diphoton invariant-mass spectrum has been performed with the CMS detector at the LHC. No excess of events above the standard model expectation is observed using ...

    • Search for stopped gluinos in pp collisions at √s=7TeV 

      Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Baarmand, Marc M.; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B.; Dorney, B.; Guragain, S. (2011-01-07)
      The results of the first search for long-lived gluinos produced in 7 TeV pp collisions at the CERN Large Hadron Collider are presented. The search looks for evidence of long-lived particles that stop in the CMS detector ...

    • Search for stopped gluinos in pp collisions at √s=7TeV 

      Khachatryan, Vardan; Sirunyan, A.M.; Baarmand, Marc M.; Dorney, B.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Ralich, Robert M.; Vodopiyanov, Igor B. (2011)
      The results of the first search for long-lived gluinos produced in 7 TeV pp collisions at the CERN Large Hadron Collider are presented. The search looks for evidence of long-lived particles that stop in the CMS detector ...

    • 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 supersymmetry in pp collisions at √s=7TeV in events with two photons and missing transverse energy 

      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. (2011-05-24)
      A search for supersymmetry in the context of general gauge-mediated breaking with the lightest neutralino as the next-to-lightest supersymmetric particle and the gravitino as the lightest is presented. The data sample ...

    • 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. ...

    • Search for three-jet resonances in pp collisions at √s=7TeV 

      Chatrchyan, S. A.; Khachatryan, Vardan; Sirunyan, A. M.; Tumasyan, A. R.; Baarmand, Marc M.; Dorney, B.; Guragain, Samir; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B. (2011-08-29)
      A search for three-jet hadronic resonance production in pp collisions at a center-of-mass energy of 7 TeV has been conducted by the CMS Collaboration at the LHC, using a data sample corresponding to an integrated luminosity ...

    • Study of the dijet mass spectrum in pp→W+jets events at √s=7 TeV 

      Chatrchyan, S. A.; Sirunyan, A. M.; Khachatryan, V.; Tumasyan, A. R.; Wolfgang, Adam; Baarmand, Marc M.; Dorney, B.; Hohlmann, Marcus; Kalakhety, H.; Vodopiyanov, Igor B. (2012-12-21)
      We report an investigation of the invariant mass spectrum of the two jets with highest transverse momentum in pp ! W þ 2-jet and W þ 3-jet events to look for resonant enhancement. The data sample corresponds to an ...

    • Study of Z boson production in PbPb collisions at √s <inf>NN</inf>=2.76TeV 

      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. (2011-05-24)
      A search for Z bosons in the þ decay channel has been performed in PbPb collisions at ffiffiffiffiffiffiffiffi sNN p ¼ 2:76 TeV with the CMS detector at the LHC, in a 7:2 b 1 data sample. The number of opposite-sign muon ...