Mehmet Tevfik Zeyrek

E-mail
zeyrek@metu.edu.tr
Department
Department of Physics
Scopus Author ID
Web of Science Researcher ID
Studies of Charm Quark Diffusion inside Jets Using Pb-Pb and pp Collisions at root s(NN)=5.02 TeV
Sirunyan, A. M.; et. al. (American Physical Society (APS), 2020-09-01)
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-le...
Measurement of quark- and gluon-like jet fractions using jet charge in PbPb and pp collisions at 5.02 TeV
Sirunyan, A. M.; et. al. (Springer Science and Business Media LLC, 2020-07-01)
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 distributio...
Strange hadron production in pp and pPb collisions at root(NN)-N-s=5.02 TeV
Sirunyan, A. M.; et. al. (2020-06-01)
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-m...
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.; et. al. (IOP Publishing, 2020-06-01)
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 par...
Determination of the strong coupling constant alpha(S)(m(Z)) from measurements of inclusive W-+/- and Z boson production cross sections in proton-proton collisions at root s=7 and 8 TeV
Sirunyan, A. M.; et. al. (Springer Science and Business Media LLC, 2020-06-01)
Twelve measurements of inclusive cross sections of W-+/- and Z boson production, performed in proton-proton collisions at centre-of-mass energies of 7 and 8 TeV, are compared with perturbative quantum chromodynamics calcul...
Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton-proton collisions at mml:msqrts mml:msqrt=13 mml:mspace width="0.166667em"mml:mspaceTe mml:mspace width="0.333333em"mml:mspace
Sirunyan, A. M.; et. al. (Springer Science and Business Media LLC, 2020-05-01)
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. F...
Experimental study of different silicon sensor options for the upgrade of the CMS Outer Tracker
Sirunyan, A. M.; et. al. (IOP Publishing, 2020-04-01)
During the high-luminosity phase of the LHC (HL-LHC), planned to start in 2027, the accelerator is expected to deliver an instantaneous peak luminosity of up to 7.5 x 10(34) cm(-2) s(-1). A total integrated luminosity of 3...
Search for dark matter particles produced in association with a Higgs boson in proton-proton collisions at root s=13TeV
Sirunyan, A. M.; et. al. (Springer Science and Business Media LLC, 2020-03-01)
A search for dark matter (DM) particles is performed using events with a Higgs boson candidate and large missing transverse momentum. The analysis is based on proton- proton collision data at a center-of-mass energy of 13 ...
Observation of the Lambda(0)(b) -> J/psi Lambda phi decay in proton-proton collisions at root s=13 TeV
Sirunyan, A. M.; et. al. (Elsevier BV, 2020-03-01)
The observation of the Lambda(0)(b) -> J/psi Lambda phi decay is reported using proton-proton collision data collected at root s = 13TeV by the CMS experiment at the LHC in 2018, corresponding to an integrated luminosity o...
Bose-Einstein correlations of charged hadrons in proton-proton collisions at <mml:msqrt>s</mml:msqrt>=13 TeV
Sirunyan, A. M.; et. al. (Springer Science and Business Media LLC, 2020-03-01)
Bose-Einstein correlations of charged hadrons are measured over a broad multiplicity range, from a few particles up to about 250 reconstructed charged hadrons in proton-proton collisions at s = 13 TeV. The results are base...
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