Browsing by Author "(ORCID 0000-0002-0283-5234 & YÖK ID 124605) Işıldak, Bora"
Now showing items 181-200 of 930
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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 inclusive W and Z boson production cross sections in pp collisions at root s=8 TeV
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2014-05-16)A measurement of total and fiducial inclusive W and Z boson production cross sections in pp collisions at root s = 8 TeV is presented. Electron and muon final states are analyzed in a data sample collected with the CMS ... -
Measurement of J/psi and psi(2S) prompt double-differential cross sections in pp collisions at root s=7 TeV
Khachatryan, V.; Işıldak, Bora (American Physical Society, 2015-05-15)The double-differential cross sections of promptly produced J/ψ and ψ(2S) mesons are measured in pp collisions at s√=7 TeV, as a function of transverse momentum pT and absolute rapidity |y|. The analysis uses J/ψ and ψ(2S) ... -
Measurement of jet fragmentation in PbPb and pp collisions at root s(NN)=2.76 TeV
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2014-08)The jet fragmentation function of inclusive jets with transverse momentum p(T) above 100 GeV/c in PbPb collisions has been measured using reconstructed charged particles with p(T) above 1 GeV/c in a cone of radius 0.3 ... -
Measurement of jet fragmentation into charged particles in pp and PbPb collisions at root s(NN)=2.76 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2012-10)Jet fragmentation in pp and PbPb collisions at a centre-of-mass energy of 2.76 TeV per nucleon pair was studied using data collected with the CMS detector at the LHC. Fragmentation functions are constructed using ... -
Measurement of jet multiplicity distributions in t(t)over-bar production in pp collisions at root s=7TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2014-08)The normalised differential top quark-antiquark production cross section is measured as a function of the jet multiplicity in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC with the CMS detector. ... -
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 long-range near-side two-particle angular correlations in pp collisions at s =13 TeV
Khachatryan, V.; Işıldak, Bora (2016-04-29)Results on two-particle angular correlations for charged particles produced in pp collisions at a center-of-mass energy of 13 TeV are presented. The data were taken with the CMS detector at the LHC and correspond to an ... -
Measurement of masses in the t(t)over-tilde system by kinematic endpoints in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2013-07)A search for microscopic black holes and string balls is presented, based on a data sample of pp collisions at root s = 8 TeV recorded by the CMS experiment at the Large Hadron Collider and corresponding to an integrated ... -
Measurement of neutral strange particle production in the underlying event in proton-proton collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2013-09-01)Measurements are presented of the production of primary K-S(0) and Lambda particles in proton-proton collisions at root s = 7 TeV in the region transverse to the leading charged-particle jet in each event. The average ... -
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) ... -
Measurement of prompt J/psi pair production in pp collisions at root s = 7 Tev
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2014-09)Production of prompt J/psi meson pairs in proton-proton collisions at root s = 7 TeV is measured with the CMS experiment at the LHC in a data sample corresponding to an integrated luminosity of about 4.7 fb(-1). The two ... -
Measurement of prompt open-charm production cross sections in proton-proton collisions at √s = 13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2021-12-01)The production cross sections for prompt open-charm mesons in proton-proton collisions at a center-of-mass energy of 13 TeV are reported. The measurement is performed using a data sample collected by the CMS experiment ... -
Measurement of prompt ψ (2S) to J /ψ yield ratios in Pb-Pb and p - p collisions at sNN =2.76 TeV
Khachatryan, V.; Işıldak, Bora (American Physical Society, 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 ... -
Measurement of prompt ψ(2S) production cross sections in proton–lead and proton–proton collisions at √sNN = 5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (Elsevier, 2019-03-10)Measurements of prompt psi(2S) meson production cross sections in proton-lead (pPb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of root s(NN) = 5.02 TeV are reported. The results are based ... -
Measurement of properties of B 0 s → µ + µ − decays and search for B 0 → µ + µ − with the CMS experiment
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2020-04-28)Results are reported for the B 0s ! + branching fraction and effective lifetime and from a search for the decay B0 ! + . The analysis uses a data sample of proton-proton collisions accumulated by the CMS experiment in 2011, ... -
Measurement of pseudorapidity distributions of charged particles in proton-proton collisions at root s=8 TeV by the CMS and TOTEM experiments
Chatrchyan, S.; Işıldak, Bora (Springer Nature, 2014-10)Pseudorapidity ( ηη ) distributions of charged particles produced in proton–proton collisions at a centre-of-mass energy of 8 TeV TeV are measured in the ranges |η|<2.2|η|<2.2 and 5.3<|η|<6.45.3<|η|<6.4 covered by the ... -
Measurement of quark- and gluon-like jet fractions using jet charge in PbPb and pp collisions at 5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2020-07-17)The momentum-weighted sum of the electric charges of particles inside a jet, known as jet charge, is sensitive to the electric charge of the particle initiating the parton shower. This paper presents jet charge distributions ... -
Measurement of spin correlations in tt production using the matrix element method in the muon+jets final state in pp collisions at √s=8 TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2016-07-10)The consistency of the spin correlation strength in top quark pair production with the standard model (SM) prediction is tested in the muon+jets final state. The events are selected from pp collisions, collected by the CMS ...
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