246 documents found, page 1 of 25
Measurement of inclusive W and Z boson production cross sections in pp collisio...
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 2022-04-29T10:42:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-05-14; National Science Foundation; National Natural Science Foundation of China; A measurement of total and fiducial inclusive W and Z boson production cross sections in pp collisions at s=8TeV is presented. Electron and muon final states are analyzed in a data sample collected with the CMS detector correspon...
CMS physics technical design report: Addendum on high density QCD with heavy ions
d'Enterria, D.; Ballintijn, M.; Bedjidian, M.; Hofman, D.; Kodolova, O.; Loizides, C.; Lokthin, I. P.; Lourenço, C.; Mironov, C.; Petrushanko, S. V.Made available in DSpace on 2022-04-28T20:22:10Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-11-01; This report presents the capabilities of the CMS experiment to explore the rich heavy-ion physics programme offered by the CERN Large Hadron Collider (LHC). The collisions of lead nuclei at energies , will probe quark and gluon matter at unprecedented values of energy density. The prime goal of this res...
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...
First measurement of Bose-Einstein correlations in proton-proton collisions at ...
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 2022-04-28T21:11:47Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-07-13; Science and Technology Facilities Council; 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 in the form of an enhancement of pairs ...
Search for excited leptons in pp collisions at s=7 TeV
Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Aguilo, E.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.Made available in DSpace on 2022-04-29T08:14:46Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-03-26; Results are presented of a search for compositeness in electrons and muons using a data sample of pp collisions at a center-of-mass energy s=7 TeV collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 5.0 fb−1. Excited leptons (ℓ⁎) are assumed to be produced via con...
Study of the dijet mass spectrum in pp→W+jets events at √s=7 TeV
Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Aguilo, E.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.Made available in DSpace on 2022-04-29T06:25:24Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-12-21; We report an investigation of the invariant mass spectrum of the two jets with highest transverse momentum in pp→W+2-jet and W+3-jet events to look for resonant enhancement. The data sample corresponds to an integrated luminosity of 5.0 fb-1 collected with the CMS detector at √s=7 TeV. We find no eviden...
Search for heavy neutrinos and WR bosons with right-handed couplings in a left-...
Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Aguilo, E.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.Made available in DSpace on 2022-04-29T06:37:19Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-12-27; Results are presented from a search for heavy, right-handed muon neutrinos, Nμ, 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 sample of proton-proton collisions at a center-of-mass energy of 7 TeV, collected by t...
Search for pair production of first-generation scalar leptoquarks in pp collisi...
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 2022-04-29T06:48:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-05-17; National Science Foundation; 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 an integrated luminosity of 33pb-1 collected with the ...
Search for pair production of second-generation scalar leptoquarks in pp collis...
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 2022-04-29T06:59:50Z (GMT). No. of bitstreams: 0 Previous issue date: 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 √s=7TeV collected by the CMS detector at the LHC. The data sample used corresponds to an integrated luminosity of 34pb-1. The number of o...
Search for dijet resonances in 7 TeV pp collisions at CMS
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 2022-04-28T21:26:27Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-11-17; A search for narrow resonances in the dijet mass spectrum is performed using data corresponding to an integrated luminosity of 2.9pb⊃-1 collected by the CMS experiment at the Large Hadron Collider. Upper limits at the 95% confidence level are presented on the product of the resonance cross section, bran...