Browsing by Author "1"
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Measurement of the W+W- cross section in pp collisions at and limits on anomalous WW gamma and WWZ couplings
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2013-10)A measurement of W+W- production in pp collisions at is presented. The data were collected with the CMS detector at the LHC, and correspond to an integrated luminosity of 4.92 +/- 0.11 fb(-1). The W+W- candidates consist ... -
Measurement of the W+W- cross section in pp collisions at root s=8 TeV and limits on anomalous gauge couplings
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2016-07)A measurement of the W boson pair production cross section in proton-proton collisions at root s = 8TeV is presented. The data collected with the CMS detector at the LHC correspond to an integrated luminosity of 19.4 fb(-1). ... -
Measurement of the W-boson helicity in top-quark decays from t(t)over-bar production in lepton plus jets events in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2013-10)The W-boson helicity fractions in top-quark decays are measured with TeX events in the lepton+jets final state, using proton-proton collisions at a centre-of-mass energy of 7 TeV, collected in 2011 with the CMS detector ... -
Measurement of the weak mixing angle using the forward–backward asymmetry of Drell–Yan events in p p collisions at 8 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2018-09)A measurement is presented of the effective leptonic weak mixing angle (sin2θeffℓ) using the forward–backward asymmetry of Drell–Yan lepton pairs (μμ and e e) produced in proton–proton collisions at s=8TeV at the CMS ... -
Measurement of the WZ production cross section in pp collisions at root s=7 and 8 TeV and search for anomalous triple gauge couplings at root s=8 TeV
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2017)The WZ production cross section is measured by the CMS experiment at the CERN LHC in proton proton collision data samples corresponding to integrated luminosities of 4.9 fb(-1) collected at root s = 7 TeV, and 19.6fb(-1) ... -
Measurement of the X(3872) production cross section via decays to J/psi pi(+)pi(-) in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2013-04)The production of the X(3872) is studied in pp collisions at root s = 7TeV, using decays to J/psi pi(+)pi(-), where the J/psi decays to two muons. The data were recorded by the CMS experiment and correspond to an integrated ... -
Measurement of the Y(1S) pair production cross section and search for resonances decaying to Y(1S)μ+μ−in proton-proton collisions at √s=13 TeV
Sirunyan, A. M.; Işıldak, Bora (Elsevier, 2020-09-10)The fiducial cross section for Y(1S) pair production in proton-proton collisions at a center-of-mass energy of 13TeVin the region where both Y(1S) mesons have an absolute rapidity below 2.0 is measured to be 79 +/- 11 ... -
Measurement of the Z boson differential cross section in transverse momentum and rapidity in proton-proton collisions at 8 TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2015-10-07)We present a measurement of the Z boson differential cross section in rapidity and transverse momentum using a data sample of pp collision events at a centre-of-mass energy View the MathML source, corresponding to an ... -
Measurement of the Z gamma -> nu(nu)over-bar gamma production cross section in pp collisions at root s=8 TeV and limits on anomalous ZZ gamma and Z gamma gamma trilinear gauge boson couplings
Khachatryan, V.; Işıldak, Bora (Elsevier, 2016-09-10)An inclusive measurement of the View the MathML source production cross section in pp collisions at View the MathML source is presented, using data corresponding to an integrated luminosity of 19.6 fb−1 collected with the ... -
Measurement of the ZZ production cross section and search for anomalous couplings in 2l2l' final states in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2013-01)A measurement is presented of the ZZ production cross section in the ZZ -> 2l2l' decay mode with l = e, mu and l' = e, mu, tau in proton-proton collisions at root s = 7 TeV with the CMS experiment at the LHC. Results are ... -
Measurement of the ZZ production cross section and Z -> l(+)l(-)l '(+)l '(-) branching fraction in pp collisions at root s=13TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2016)Four-lepton production in proton-proton collisions, pp -> (Z/gamma*)(Z/gamma*)-> l(+)l(-)l '(+)l '(-), where l,l '(-) = e or mu, is studied at a center-of-mass energy of 13 TeV with the CMS detector at the LHC. The data ... -
Measurement of the Zγ production cross section in pp collisions at 8 TeV and search for anomalous triple gauge boson couplings
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2015-04)The cross section for the production of Zγ in proton-proton collisions at 8 TeV is measured based on data collected by the CMS experiment at the LHC corresponding to an integrated luminosity of 19.5 fb−1. Events with an ... -
Measurement of the Λb cross section and the (Lambda)over-bar(b) to Λb ratio with J/ψΛ decays in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Elsevier, 2012-08-14)The Lambda b differential production cross section and the cross section ratio sigma((Lambda) over bar (b))/sigma(Lambda(b)) are measured as functions of transverse momentum p(T)(Lambda b) rapidity vertical bar y(Lambda ... -
Measurement of the Υ(1S), Υ(2S), and Υ(3S) polarizations in pp collisions at root s 7 TeV
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2013-02-22)The polarizations of the Upsilon(1S), Upsilon(2S), and Upsilon(3S) mesons are measured in proton-proton collisions at root s = 7 TeV, using a data sample of Upsilon(nS) -> mu(+)mu(-) decays collected by the CMS experiment, ... -
Measurement of the ϒ(1S), ϒ(2S), and ϒ(3S) cross sections in pp collisions at =7 TeV
Chatrchyan, S.; Işıldak, Bora (Elsevier, 2013-11-25)The Υ(1S), Υ(2S), and Υ(3S) production cross sections are measured using a data sample corresponding to an integrated luminosity of 35.8±1.4 pb−1 of proton–proton collisions at s√=7 TeV, collected with the CMS detector at ... -
Measurement of top quark pair production in association with a Z boson in proton-proton collisions at s√ = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2020-03-10)A measurement of the inclusive cross section of top quark pair production in association with a Z boson using proton-proton collisions at a center-of-mass energy of 13 TeV at the LHC is performed. The data sample corresponds ... -
Measurement of top quark polarisation in t-channel single top quark production
Khachatryan, V.; Işıldak, Bora (2016-04)A first measurement of the top quark spin asymmetry, sensitive to the top quark polarisation, in t-channel single top quark production is presented. It is based on a sample of pp collisions at a centre-of-mass energy of 8 ... -
Measurement of top quark-antiquark pair production in association with a W or Z boson in pp collisions at root s=8 TeV
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2014)A measurement of the cross section for the production of top quark-antiquark pairs (t (t) over bar) in association with a vector boson V (W or Z) in proton-proton collisions at root s = 8 TeV is presented. The results are ... -
Measurement of transverse momentum relative to dijet systems in PbPb and pp collisions at 2.76 TeV
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2016-01)An analysis of dijet events in PbPb and pp collisions is performed to explore the properties of energy loss by partons traveling in a quark-gluon plasma. Data are collected at a nucleon-nucleon center-of-mass energy of ... -
Measurement of tt¯ normalised multi-differential cross sections in pp collisions at s√=13 TeV, and simultaneous determination of the strong coupling strength, top quark pole mass, and parton distribution functions
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2020-07-22)Normalised multi-differential cross sections for top quark pair (t (t) over bar) production are measured in proton-proton collisions at a centre-of-mass energy of 13 TeV using events containing two oppositely charged ...
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