90 documents found, page 1 of 9
Searches for new physics using the tt̄ invariant mass distribution in pp collis...
Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.Made available in DSpace on 2022-04-29T08:49:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-11-21; Searches for anomalous top quark-antiquark production are presented, based on pp collisions at √s=8 TeV. The data, corresponding to an integrated luminosity of 19.7 fb-1, were collected with the CMS detector at the LHC. The observed tt̄ invariant mass spectrum is found to be compatible with the standard...
Rapidity distributions in exclusive Z+jet and γ+jet events in pp collisions at ...
Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.Made available in DSpace on 2022-04-29T09:12:39Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-12-23; Rapidity distributions are presented for events containing either a Z boson or a photon with a single jet in proton-proton collisions produced at the CERN LHC. The data, collected with the CMS detector at √s=7 TeV, correspond to an integrated luminosity of 5.0 fb-1. The individual rapidity distributions...
Measurement of higher-order harmonic azimuthal anisotropy in PbPb collisions at...
Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.Made available in DSpace on 2022-04-29T09:58:15Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-04-11; Measurements are presented by the CMS Collaboration at the Large Hadron Collider (LHC) of the higher-order harmonic coefficients that describe the azimuthal anisotropy of charged particles emitted in sNN=2.76 TeV PbPb collisions. Expressed in terms of the Fourier components of the azimuthal distribution...
Measurement of the ratio of inclusive jet cross sections using the anti- k T al...
Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.Made available in DSpace on 2022-04-29T11:41:02Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-10-16; Science and Technology Facilities Council; Measurements of the inclusive jet cross section with the anti-kT clustering algorithm are presented for two radius parameters, R=0.5 and 0.7. They are based on data from LHC proton-proton collisions at s=7TeV corresponding to an integrated luminosity of 5.0fb-1...
Search for supersymmetry with razor variables in pp collisions at s =7TeV
Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.Made available in DSpace on 2022-04-29T11:52:35Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-12-01; The razor approach to search for R-parity conserving supersymmetric particles is described in detail. Two analyses are considered: an inclusive search for new heavy particle pairs decaying to final states with at least two jets and missing transverse energy, and a dedicated search for final states with ...
Measurement of jet fragmentation in PbPb and pp collisions at s NN =2.76 TeV
Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.Made available in DSpace on 2022-04-29T13:11:49Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-08-18; The jet fragmentation function of inclusive jets with transverse momentum pT above 100GeV/c in PbPb collisions has been measured using reconstructed charged particles with pT above 1GeV/c in a cone of radius 0.3 around the jet axis. A data sample of PbPb collisions collected in 2011 at a nucleon-nucleon...
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...
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...
Transverse-momentum and pseudorapidity distributions of charged hadrons in pp c...
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 2022-04-28T21:02:12Z (GMT). No. of bitstreams: 0 Previous issue date: 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 by counting the number of reconstructed hits, hit pairs, and fully reconstructed cha...
Measurements of jet multiplicity and differential production cross sections of ...
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 2022-04-29T16:52:07Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-03-11; Measurements of differential cross sections are presented for the production of a Z boson and at least one hadronic jet in proton-proton collisions at s=7TeV, recorded by the CMS detector, using a data sample corresponding to an integrated luminosity of 4.9fb-1. The jet multiplicity distribution is meas...