33 documents found, page 1 of 4
Search for supersymmetry using razor variables in events with b -tagged jets in...
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hartl, C.Made available in DSpace on 2022-04-29T14:31:48Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-03-23; An inclusive search for supersymmetry in events with at least one b-tagged jet is performed using proton-proton collision data collected by the CMS experiment in 2012 at a center-of-mass energy of 8 TeV. The data set size corresponds to an integrated luminosity of 19.3fb-1. The two-dimensional distribut...
Search for long-lived particles that decay into final states containing two ele...
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hartl, C.Made available in DSpace on 2022-04-29T14:42:24Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-03-18; A search is performed for long-lived particles that decay into final states that include a pair of electrons or a pair of muons. The experimental signature is a distinctive topology consisting of a pair of charged leptons originating from a displaced secondary vertex. Events corresponding to an integrat...
Search for resonances and quantum black holes using dijet mass spectra in proto...
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hartl, C.Made available in DSpace on 2022-04-29T14:52:59Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-03-12; A search for resonances and quantum black holes is performed using the dijet mass spectra measured in proton-proton collisions at s=8TeV with the CMS detector at the LHC. The data set corresponds to an integrated luminosity of 19.7fb-1. In a search for narrow resonances that couple to quark-quark, quark...
Measurement of J /ψ and ψ (2S) prompt double-differential cross sections in pp ...
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hartl, C.Made available in DSpace on 2022-04-29T15:03:59Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-05-14; The double-differential cross sections of promptly produced J/ψ and ψ(2S) mesons are measured in pp collisions at s=7TeV, as a function of transverse momentum pT and absolute rapidity |y|. The analysis uses J/ψ and ψ(2S) dimuon samples collected by the CMS experiment, corresponding to integrated luminos...
Measurement of prompt ψ (2S) to J /ψ yield ratios in Pb-Pb and p - p collisions...
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.; Ghete, V. M.Made available in DSpace on 2022-04-29T15:38:42Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-12-31; The ratio between the prompt ψ(2S) and J/ψ yields, reconstructed via their decays into μ+μ-, is measured in Pb-Pb and p-p collisions at sNN=2.76 TeV. The analysis is based on Pb-Pb and p-p data samples collected by CMS at the Large Hadron Collider, corresponding to integrated luminosities of 150 μb-1 an...
Measurement of diffractive dissociation cross sections in pp collisions at s =7TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.; Ghete, V. M.Made available in DSpace on 2022-04-29T15:50:19Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-07-06; Measurements of diffractive dissociation cross sections in pp collisions at s=7TeV are presented in kinematic regions defined by the masses MX and MY of the two final-state hadronic systems separated by the largest rapidity gap in the event. Differential cross sections are measured as a function of ξX=M...
Evidence for Collective Multiparticle Correlations in p-Pb Collisions
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hartl, C.Made available in DSpace on 2022-04-29T16:00:58Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-06-29; The second-order azimuthal anisotropy Fourier harmonics, v2, are obtained in p-Pb and PbPb collisions over a wide pseudorapidity (η) range based on correlations among six or more charged particles. The p-Pb data, corresponding to an integrated luminosity of 35nb-1, were collected during the 2013 LHC p-P...
Search for supersymmetry with photons in pp collisions at s =8TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, M.Made available in DSpace on 2022-04-29T16:25:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-10-19; Science and Technology Facilities Council; Two searches for physics beyond the standard model in events containing photons are presented. The data sample used corresponds to an integrated luminosity of 19.7fb-1 of proton-proton collisions at s=8TeV, collected with the CMS experiment at the CERN LHC. The...
Limits on the Higgs boson lifetime and width from its decay to four charged lep...
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, M.Made available in DSpace on 2022-04-29T16:39:13Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-10-22; Constraints on the lifetime and width of the Higgs boson are obtained from H→ZZ→4ℓ events using data recorded by the CMS experiment during the LHC run 1 with an integrated luminosity of 5.1 and 19.7fb-1 at a center-of-mass energy of 7 and 8 TeV, respectively. The measurement of the Higgs boson lifetime ...
Production of leading charged particles and leading charged-particle jets at sm...
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hartl, C.Made available in DSpace on 2022-04-29T17:02:42Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-12-01; Science and Technology Facilities Council; The per-event yield of the highest transverse momentum charged particle and charged-particle jet, integrated above a given pTmin threshold starting at pTmin=0.8 and 1 GeV, respectively, is studied in pp collisions at s=8 TeV. The particles and the jets are meas...