Browsing by Author "Işıldak, Bora"
Now showing items 361-380 of 931
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Measurements of the Higgs boson production cross section and couplings in the W boson pair decay channel in proton-proton collisions at √s = 13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2023-07-26)Production cross sections of the standard model Higgs boson decaying to a pair of W bosons are measured in proton-proton collisions at a center-of-mass energy of 13 TeV . The analysis targets Higgs bosons produced via gluon ... -
Measurements of the Higgs boson width and anomalous H V V couplings from on-shell and off-shell production in the four-lepton final state
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2019-06-11)Studies of on-shell and off-shell Higgs boson production in the four-lepton final state are presented, using data from the CMS experiment at the LHC that correspond to an integrated luminosity of 80.2 fb(-1) at a center-of-mass ... -
Measurements of the pp → WZ inclusive and differential production cross sections and constraints on charged anomalous triple gauge couplings at s√ = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2019-04-18)The WZ production cross section is measured in proton-proton collisions at a centre-of-mass energy = 13 TeV using data collected with the CMS detector, corresponding to an integrated luminosity of 35.9 fb(-1). The inclusive ... -
Measurements of the pp → W±γγ and pp → Zγγ cross sections at √s = 13 TeV and limits on anomalous quartic gauge couplings
The cross section for W or Z boson production in association with two photons is measured in proton-proton collisions at a centre-of-mass energy of 13 TeV. The data set corresponds to an integrated luminosity of 137 fb−1 ... -
Measurements of the pp → Wγγ and pp → Zγγ cross sections and limits on anomalous quartic gauge couplings at √s = 8 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer International Publishing, 2017-10-11)Measurements are presented of Wγγ and Zγγ production in proton-proton collisions. Fiducial cross sections are reported based on a data sample corresponding to an integrated luminosity of 19.4 fb−1 collected with the CMS ... -
Measurements of the t(t)Overbar charge asymmetry using the dilepton decay channel in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2014-04)The t(t)Overbar charge asymmetry in proton-proton collisions root s = 7TeV is measured using the dilepton decay channel (ee, e mu, or mu mu). The data correspond to a total integrated luminosity of 5.0 fb(-1), collected ... -
Measurements of the tt¯tt¯ production cross section in lepton+jets final states in pp collisions at 8 TeVTeV and ratio of 8 to 7 TeVTeV cross sections
Khachatryan, V.; Işıldak, Bora (Springer International, 2017)A measurement of the top quark pair production () cross section in proton-proton collisions at the centre-of-mass energy of 8 is presented using data collected with the CMS detector at the LHC, corresponding to an integrated ... -
Measurements of the W boson rapidity, helicity, double-differential cross sections, and charge asymmetry in pp collisions at √ s = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2020-11-20)The differential cross section and charge asymmetry for inclusive W boson production at root s = 13 TeV is measured for the two transverse polarization states as a function of the W boson absolute rapidity. The measurement ... -
Measurements of the ZZ production cross sections in the 2l2 nu channel in proton-proton collisions at root s=7 and 8 TeV and combined constraints on triple gauge couplings
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2015)Measurements of the ZZ production cross sections in proton-proton collisions at center-of-mass energies of 7 and 8 TeV are presented. Candidate events for the leptonic decay mode ZZ -> 2l2 nu. where l denotes an electron ... -
Measurements of the ϒ(1S), ϒ(2S), and ϒ(3S) differential cross sections in pp collisions at s=7TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2015-10-07)Differential cross sections as a function of transverse momentum pT are presented for the production of ϒ(nS) (n = 1, 2, 3) states decaying into a pair of muons. Data corresponding to an integrated luminosity of 4.9View ... -
Measurements of triple-differential cross sections for inclusive isolated-photon+jet events in pp collisions at s√=8 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2019-11)Measurements are presented of the triple-differential cross section for inclusive isolated-photon+jet events in pp collisions at root s = 8 TeV as a function of photon transverse momentum (p(T)(gamma)), photon pseudorapidity ... -
Measurements of tt¯ differential cross sections in proton-proton collisions at s√=13 TeV using events containing two leptons
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2019-02-22)Measurements of differential top quark pair t (t) over bar cross sections using events produced in proton-proton collisions at a centre-of-mass energy of 13 TeV containing two oppositely charged leptons are presented. The ... -
Measurements of tt¯ spin correlations and top quark polarization using dilepton final states in pp collisions at s√=8 T
Khachatryan, V.; Işıldak, Bora (American Physical Society., 2016-03-01)Measurements of the top quark-antiquark (tt¯) spin correlations and the top quark polarization are presented for tt¯ pairs produced in pp collisions at s√=8 TeV. The data correspond to an integrated luminosity of 19.5 fb−1 ... -
Measurements of tt‾ charge asymmetry using dilepton final states in pp collisions at s=8TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2016-09-10)The charge asymmetry in View the MathML source events is measured using dilepton final states produced in pp collisions at the LHC at View the MathML source. The data sample, collected with the CMS detector, corresponds ... -
Measurements of t¯tH production and the CP structure of the Yukawa interaction between the Higgs Boson and top quark in the diphoton decay channel
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2020-08-05)The first observation of the (tt) over barH process in a single Higgs boson decay channel with the full reconstruction of the final state (H -> gamma gamma) is presented, with a significance of 6.6 standard deviations ... -
Measurements with silicon photomultipliers of dose-rate effects in the radiation damage of plastic scintillator tiles in the CMS hadron endcap calorimeter
Sirunyan, A. M.; Işıldak, Bora (IOP Publishing, 2020-06)Measurements are presented of the reduction of signal output due to radiation damage for two types of plastic scintillator tiles used in the hadron endcap (HE) calorimeter of the CMS detector. The tiles were exposed to ... -
Mechanical stability of the CMS strip tracker measured with a laser alignment system
Sirunyan, A. M.; Işıldak, Bora (IOP Publishing, 2017-04-21)The CMS tracker consists of 206 m2 of silicon strip sensors assembled on carbon fibre composite structures and is designed for operation in the temperature range from −25 to +25°C. The mechanical stability of tracker ... -
Mixed higher-order anisotropic flow and nonlinear response coefficients of charged particles in PbPb collisions at root √sNN = 2.76 and 5.02 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2020-06-13)Anisotropies in the initial energy density distribution of the quark-gluon plasma created in high energy heavy ion collisions lead to anisotropies in the azimuthal distributions of the final-state particles known as ... -
Modification of jet shapes in PbPb collisions at root s(NN)=2.76 TeV
Chatrchyan, S.; Işıldak, Bora (Elsevier, 2014-03-07)The first measurement of jet shapes, defined as the fractional transverse momentum radial distribution, for inclusive jets produced in heavy-ion collisions is presented. Data samples of PbPb and pp collisions, corresponding ... -
A multi-dimensional search for new heavy resonances decaying to boosted W W , W Z , or Z Z boson pairs in the dijet final state at 13 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2020-03-12)A search in an all-jet final state for new massive resonances decaying to WW, WZ, or ZZ boson pairs using a novel analysis method is presented. The analysis is performed on data corresponding to an integrated luminosity ...
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