34 documents found, page 1 of 4
Measurement of the top quark Yukawa coupling from tt¯ kinematic distributions i...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Frühwirth, R.; Jeitler, M.Made available in DSpace on 2022-05-01T01:54:42Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-11-30; A measurement of the Higgs boson Yukawa coupling to the top quark is presented using proton-proton collision data at s=13 TeV, corresponding to an integrated luminosity of 137 fb-1, recorded with the CMS detector. The coupling strength with respect to the standard model value, Yt, is determined from kin...
Measurement of Bc (2S)+ and Bc∗ (2S)+ cross section ratios in proton-proton col...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Frühwirth, R.; Jeitler, M.Made available in DSpace on 2022-05-01T02:08:46Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-11-16; The ratios of the Bc(2S)+ to Bc+, Bc∗(2S)+ to Bc+, and Bc∗(2S)+ to Bc(2S)+ production cross sections are measured in proton-proton collisions at s=13 TeV, using a data sample collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 143 fb-1. The three measurements are mad...
Search for bottom-type, vectorlike quark pair production in a fully hadronic fi...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Frühwirth, R.; Jeitler, M.; Krammer, N.Made available in DSpace on 2022-05-01T03:16:04Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-12-07; A search is described for the production of a pair of bottom-type vectorlike quarks (VLQs), each decaying into a b or b¯ quark and either a Higgs or a Z boson, with a mass greater than 1000 GeV. The analysis is based on data from proton-proton collisions at a 13 TeV center-of-mass energy recorded at the...
Measurements of the differential cross sections of the production of Z + jets a...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Frühwirth, R.; Jeitler, M.Made available in DSpace on 2022-05-01T04:56:01Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-05-01; Measurements of the differential cross sections of Z + jets and γ + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution between the Z boson and the closest jet. The analysis is based on pp collisions ...
Electron and photon reconstruction and identification with the CMS experiment a...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Escalante Del Valle, A.; Frühwirth, R.; Jeitler, M.; Krammer, N.; Lechner, L.Made available in DSpace on 2022-05-01T05:12:36Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-05-01; The performance is presented of the reconstruction and identification algorithms for electrons and photons with the CMS experiment at the LHC. The reported results are based on proton-proton collision data collected at a center-of-mass energy of 13 TeV and recorded in 2016-2018, corresponding to an inte...
Measurement of the Wγ Production Cross Section in Proton-Proton Collisions at s...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Andrejkovic, J. W.; Bergauer, T.; Chatterjee, S.; Dragicevic, M.; Escalante Del Valle, A.; Frühwirth, R.Made available in DSpace on 2022-05-01T05:29:39Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-06-25; A fiducial cross section for Wγ production in proton-proton collisions is measured at a center-of-mass energy of 13 TeV in 137 fb-1 of data collected using the CMS detector at the LHC. The W→eν and μν decay modes are used in a maximum-likelihood fit to the lepton-photon invariant mass distribution to ex...
Observation of a New Excited Beauty Strange Baryon Decaying to Ξb- π+π-
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Andrejkovic, J. W.; Bergauer, T.; Chatterjee, S.; Dragicevic, M.; Escalante Del Valle, A.; Frühwirth, R.Made available in DSpace on 2022-05-01T05:45:42Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-06-25; The Ξb-π+π- invariant mass spectrum is investigated with an event sample of proton-proton collisions at s=13 TeV, collected by the CMS experiment at the LHC in 2016-2018 and corresponding to an integrated luminosity of 140 fb-1. The ground state Ξb- is reconstructed via its decays to J/ψΞ- and J/ψΛK-. A...
Search for singly and pair-produced leptoquarks coupling to third-generation fe...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Frühwirth, R.; Jeitler, M.; Krammer, N.Made available in DSpace on 2022-05-01T06:59:59Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-08-10; Belgian Federal Science Policy Office; Bundesministerium für Bildung und Forschung; Bundesministerium für Bildung, Wissenschaft und Forschung; Benemérita Universidad Autónoma de Puebla; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Chinese Academy of Sciences; Centro de Investigac...
Search for the rare decay of the W boson into a pion and a photon in proton-pro...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Frühwirth, R.; Jeitler, M.; Krammer, N.Made available in DSpace on 2022-05-01T07:29:18Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-08-10; Belgian Federal Science Policy Office; Bundesministerium für Bildung und Forschung; Bundesministerium für Bildung, Wissenschaft und Forschung; Benemérita Universidad Autónoma de Puebla; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Chinese Academy of Sciences; Commissariat à l'Éne...
Performance of the CMS muon trigger system in proton-proton collisions at √s = ...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Escalante Del Valle, A.; Frühwirth, R.; Jeitler, M.; Krammer, N.; Lechner, L.Made available in DSpace on 2022-05-01T07:59:09Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-07-01; The muon trigger system of the CMS experiment uses a combination of hardware and software to identify events containing a muon. During Run 2 (covering 2015-2018) the LHC achieved instantaneous luminosities as high as 2 × 10 cm s while delivering proton-proton collisions at √s = 13 TeV. The challenge for...