Browsing by Author "Işıldak, Bora"
Now showing items 881-900 of 931
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Searches for third-generation squark production in fully hadronic final states in proton-proton collisions at (Formula Presented.) TeV
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2015-06)Searches for third-generation squarks in fully hadronic final states are presented using data samples corresponding to integrated luminosities of 19.4 or 19.7 fb−1, collected at a centre-of-mass energy of 8 TeV with the ... -
Strange hadron collectivity in pPb and PbPb collisions
Tumasyan, A.; Işıldak, Bora (Springer, 2023-05-02)The collective behavior of and strange hadrons is studied by measuring the elliptic azimuthal anisotropy (v2) using the scalar-product and multiparticle correlation methods. Proton-lead (pPb) collisions at a ... -
Strange hadron production in pp and pPb collisions at √sNN = 5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2020-06-22)The transverse momentum (pT) distributions of Lambda, Xi(-), and Omega(-) baryons, their antiparticles, and K-S(0) mesons are measured in proton-proton (pp) and proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass ... -
Strategies and performance of the CMS silicon tracker alignment during LHC Run 2
Tumasyan, A.; Işıldak, Bora (Elsevier, 2022-08-11)The strategies for and the performance of the CMS silicon tracking system alignment during the 2015–2018 data-taking period of the LHC are described. The alignment procedures during and after data taking are explained. ... -
Studies of azimuthal dihadron correlations in ultra-central PbPb collisions at sNN−−−√ =2.76 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2014-02)Azimuthal dihadron correlations of charged particles have been measured in PbPb collisions at sNN−−−√ = 2.76TeV by the CMS collaboration, using data from the 2011 LHC heavy-ion run. The data set includes a sample of ... -
Studies of beauty suppression via nonprompt D 0 mesons in Pb-Pb collisions at √s NN = 5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2019-07-09)The transverse momentum spectra of D-0 mesons from b hadron decays are measured at midrapidity (vertical bar y vertical bar < 1) in pp and Pb-Pb collisions at a nucleon-nucleon center of mass energy of 5.02 TeV with the ... -
Studies of Bs2∗ (5840)0 and B s 1 (5830) 0 mesons including the observation of the Bs2∗ (5840)0 → B0 KS0 decay in proton-proton collisions at √s=8TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2018-11)Measurements of B-s2*(5840)(0) and B-s1(5830)(0) mesons are performed using a data sample of proton-proton collisions corresponding to an integrated luminosity of 19.6 fb(-1), collected with the CMS detector at the LHC at ... -
Studies of charm and beauty hadron long-range correlations in pp and pPb collisions at LHC energies
Sirunyan, A. M.; Işıldak, Bora (Elsevier, 2021-02-10)Measurements of the second Fourier harmonic coefficient (v2) of the azimuthal distributions of prompt and nonprompt D0 mesons produced in pp and pPb collisions are presented. Nonprompt D0 mesons come from beauty hadron ... -
Studies of charm quark diffusion inside jets using Pb-Pb and pp collisions at √sNN = 5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2020-09-03)The first study of charm quark diffusion with respect to the jet axis in heavy ion collisions is presented. The measurement is performed using jets with p(T)(jet) > 60 GeV/c and D-0 mesons with p(T)(D) > 4 GeV/c in lead-lead ... -
Studies of dijet transverse momentum balance and pseudorapidity distributions in pPb collisions at root s(NN)=5.02 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2014-07)Dijet production has been measured in collisions at a nucleon-nucleon centre-of-mass energy of 5.02. A data sample corresponding to an integrated luminosity of 35 was collected using the Compact Muon Solenoid detector at ... -
Studies of dijet transverse momentum balance and pseudorapidity√snn=5.02tev
Chatrchyan, S.; Işıldak, Bora (Springer Nature, 2014)Dijet production has been measured in pPbpPb collisions at a nucleon–nucleon centre-of-mass energy of 5.02 TeVTeV . A data sample corresponding to an integrated luminosity of 35 nb−1nb−1 was collected using the Compact ... -
Studies of inclusive four-jet production with two b-tagged jets in proton-proton collisions at 7 TeV
Khachatryan, V.; Işıldak, Bora (American Physical Society, 2016)Measurements are presented of the cross section for the production of at least four jets, of which at least two originate from b quarks, in proton-proton collisions. Data collected with the CMS detector at the LHC at a ... -
Studies of jet mass in dijet and W/Z plus jet events
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2013-05)Invariant mass spectra for jets reconstructed using the anti-k(T) and Cambridge-Aachen algorithms are studied for different jet "grooming" techniques in data corresponding to an integrated luminosity of 5 fb(-1), recorded ... -
Studies of jet quenching using isolated-photon plus jet correlations in PbPb and pp collisions at root s(NN)=2.76 TeV
Chatrchyan, S.; Işıldak, Bora (Elsevier, 2013-01-08)Results from the first study of isolated-photon + jet correlations in relativistic heavy ion collisions are reported. The analysis uses data from PbPb collisions at a centre-of-mass energy of 2.76 TeV per nucleon pair ... -
Study of B meson production in p+Pb collisions at √s<inf>NN</inf> = 5.02 TeV using exclusive hadronic decays
Khachatryan, V.; Işıldak, Bora (American Physical Society, 2016-01-22)The production cross sections of the B+, B0, and B0s mesons, and of their charge conjugates, are measured via exclusive hadronic decays in p+Pb collisions at the center-of-mass energy sNN−−−−√=5.02 TeV with the CMS detector ... -
Study of central exclusive π + π − production in proton-proton collisions at √s = 5.02 and 13 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2020-08-10)Central exclusive and semiexclusive production of pi(+)pi(-) pairs is measured with the CMS detector in proton-proton collisions at the LHC at center-of-mass energies of 5.02 and 13 TeV. The theoretical description of these ... -
Study of dijet events with a large rapidity gap between the two leading jets in pp collisions at √s=7 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2018-03)Events with no charged particles produced between the two leading jets are studied in proton-proton collisions at root s = 7 TeV. The jets were required to have transverse momentum p(T)(jet) > 40 GeV and pseudorapidity 1.5 ... -
Study of dijet events with large rapidity separation in proton-proton collisions at s√ = 2.76 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2022-03-28)The cross sections for inclusive and Mueller-Navelet dijet production are measured as a function of the rapidity separation between the jets in proton-proton collisions at s = 2.76 TeV for jets with transverse momentum pT> ... -
Study of double parton scattering using W+2-jet events in proton-proton collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Elsevier, 2014-03)Double parton scattering is investigated in proton-proton collisions at = 7 TeV where the final state includes a W boson, which decays into a muon and a neutrino, and two jets. The data sample corresponds to an integrated ... -
Study of Drell-Yan dimuon production in proton-lead collisions at √sNN = 8.16 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer, 2021-05-20)Differential cross sections for the Drell-Yan process, including Z boson production, using the dimuon decay channel are measured in proton-lead (pPb) collisions at a nucleon-nucleon centre-of-mass energy of 8.16 TeV. A ...
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