Browsing by Author "Sirunyan, A. M."
Now showing items 61-80 of 344
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Measurement of b jet shapes in proton-proton collisions at s√ = 5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer, 2021-05-07)We present the first study of charged-hadron production associated with jets originating from b quarks in proton-proton collisions at a center-of-mass energy of 5.02 TeV. The data sample used in this study was collected ... -
Measurement of Bc(2S)+ and Bc*(2S)+ cross section ratios in proton-proton collisions at s=13 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2020-11-16)The ratios of the B-c (2S)(+) to B-c(+), B-c(*)(2S)(+) to B-c(+), and Bc(2S)(+) to Bco2STHORNthorn production cross sections are measured in proton-proton collisions at root s = 13 TeV, using a data sample collected by the ... -
Measurement of Bs 0 meson production in pp and PbPb collisions at sNN=5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (Elsevier, 2019-09-10)The production cross sections of B-s(0) mesons and charge conjugates are measured in proton-proton (pp) and PbPb collisions via the exclusive decay channel B-s(0)-> J/ psi phi ->mu(+) mu(-) K+K- at a center-of-mass energy ... -
Measurement of charged particle spectra in minimum-bias events from proton–proton collisions at √s=13TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2018-08-31)Pseudorapidity, transverse momentum, and multiplicity distributions are measured in the pseudorapidity range | η| < 2.4 for charged particles with transverse momenta satisfying pT>0.5GeV in proton–proton collisions at a ... -
Measurement of charged pion, kaon, and proton production in proton-proton collisions at √s=13 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2017-12-05)Transverse momentum spectra of charged pions, kaons, and protons are measured in proton-proton collisions at root s = 13 TeV with the CMS detector at the LHC. The particles, identified via their energy loss in the silicon ... -
Measurement of CKM matrix elements in single top quark t-channel production in proton-proton collisions at √s = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (Elsevier, 2020-09)The first direct, model-independent measurement is presented of the modulus of the Cabibbo-Kobayashi-Maskawa (CKM) matrix elements vertical bar V-tb vertical bar, vertical bar V-td vertical bar, and vertical bar V-ts ... -
Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton–proton collisions at √s = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2020-05-06)A measurement is presented of differential cross sections for t-channel single top quark and antiquark production in proton-proton collisions at a centre-of-mass energy of 13 mml:mspace> by the CMS experiment at the LHC. ... -
Measurement of differential cross sections for inclusive isolated-photon and photon+jet production in proton-proton collisions at s√ = 13TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2019-01-10)Measurements of inclusive isolated-photon and photon+jet production in proton-proton collisions at =13TeV are presented. The analysis uses data collected by the CMS experiment in 2015, corresponding to an integrated ... -
Measurement of differential cross sections for Z boson pair production in association with jets at √s=8 and 13 TeV
Sirunyan, A. M.; Işıldak, Bora (Elsevier, 2019-02-10)This Letter reports measurements of differential cross sections for the production of two Z bosons in association with jets in proton-proton collisions at root s = 8 and 13 TeV. The analysis is based on data samples collected ... -
Measurement of differential cross sections for Z bosons produced in association with charm jets in pp collisions at √s = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer, 2021-04-13)Measurements are presented of differential cross sections for the production of Z bosons in association with at least one jet initiated by a charm quark in pp collisions at s√ = 13 TeV. The data recorded by the CMS ... -
Measurement of differential t¯t production cross sections using top quarks at large transverse momenta in pp collisions at √s = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2021-03-19)A measurement is reported of differential top quark pair (tt¯) production cross sections, where top quarks are produced at large transverse momenta. The data collected with the CMS detector at the LHC are from pp collisions ... -
Measurement of double-differential cross sections for top quark pair production in pp collisions at s√=8 TeV and impact on parton distribution functions
Sirunyan, A. M.; Işıldak, Bora (Springer International Publishing, 2017)Normalized double-differential cross sections for top quark pair ( tt¯tt¯ ) production are measured in pp collisions at a centre-of-mass energy of 8 TeVTeV with the CMS experiment at the LHC. The analyzed data correspond ... -
Measurement of electroweak production of a W boson in association with two jets in proton–proton collisions at s√=13 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2020-01-18)A measurement is presented of electroweak (EW) production of a W boson in association with two jets in proton-proton collisions at root s = 13 TeV. The data sample was recorded by the CMS Collaboration at the LHC and ... -
Measurement of electroweak WZ boson production and search for new physics in WZ+two jets events in pp collisions at √s=13 TeV
Sirunyan, A. M.; Işıldak, Bora (Elsevier, 2019-08-10)A measurement of WZ electroweak (EW) vector boson scattering is presented. The measurement is performed in the leptonic decay modes WZ -> l nu l'l', where l, l' = e, mu. The analysis is based on a data sample of proton-proton ... -
Measurement of exclusive ρ(770) 0 photoproduction in ultraperipheral pPb collisions at √s NN = 5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2019-08)Exclusive.(770) 0 photoproduction is measured for the first time in ultraperipheral pPb collisions at v s NN = 5.02 TeV with the CMS detector. The cross section s(.p..(770) 0 p) is 11.0 +/- 1.4 (stat) +/- 1.0 (syst) mu b ... -
Measurement of inclusive and differential Higgs boson production cross sections in the diphoton decay channel in proton-proton collisions at s√ = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2019-01-24)Measurements of the inclusive and differential production cross sections for the Higgs boson in the diphoton decay channel are performed using the data set of proton-proton collisions at 13 TeV collected by the CMS experiment ... -
Measurement of inclusive very forward jet cross sections in proton-lead collisions at √sNN = 5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2019-05-07)Measurements of di ff erential cross sections for inclusive very forward jet production in proton-lead collisions as a function of jet energy are presented. The data were collected with the CMS experiment at the LHC in the ... -
Measurement of jet substructure observables in t¯t events from proton-proton collisions at √s = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2018-11-29)A measurement of jet substructure observables is presented using tt events in the lepton+jets channel from proton-proton collisions at s=13 TeV recorded by the CMS experiment at the LHC, corresponding to an integrated ... -
Measurement of prompt and nonprompt J/psi production in pp and pPb collisions at root s(NN)=5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer International Publishing, 2017-04)This paper reports the measurement of J/psi meson production in proton proton (pp) and proton lead (pPb) collisions at a center-of-mass energy per nucleon pair of 5.02 TeV by the CMS experiment at the LW. The data samples ... -
Measurement of prompt D0 and D0 meson azimuthal anisotropy and search for strong electric fields in PbPb collisions at √sNN = 5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (Elsevier, 2021-05-10)The strong Coulomb field created in ultrarelativistic heavy ion collisions is expected to produce a rapidity-dependent difference (Δv2) in the second Fourier coefficient of the azimuthal distribution (elliptic flow, v2) ...
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