ORCID "0000-0002-0103-1488" Mühendislik Fakültesi için listeleme
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Event generator tunes obtained from underlying event and multiparton scattering measurements
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer, 2016)New sets of parameters ("tunes")for the underlying-event (UE) modelling of the PYTHIA8, PYTHIA6 and HERWIG++ MonteCarlo event generators are constructed using different parton distribution functions. Combined fits to CMS ... -
Event shape variables measured using multijet final states in proton-proton collisions at root s=13 TeV
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer, 2018)The study of global event shape variables can provide sensitive tests of predictions for multijet production in proton-proton collisions. This paper presents a study of several event shape variables calculated using jet ... -
Evidence for associated production of a Higgs boson with a top quark pair in final states with electrons, muons, and hadronically decaying tau leptons at root s=13 TeV
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer, 2018)Results of a search for the standard model Higgs boson produced in association with a top quark pair (t (t) over barH) in final states with electrons, muons, and hadronically decaying tau leptons are presented. The analyzed ... -
Evidence for Collective Multiparticle Correlations in p-Pb Collisions
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Özdemir, Kadri; CMS Collaboration (Amer Physical Soc, 2015)The second-order azimuthal anisotropy Fourier harmonics, nu(2), are obtained in p-Pb and PbPb collisions over a wide pseudorapidity (.) range based on correlations among six or more charged particles. The p-Pb data, ... -
Evidence for collectivity in pp collisions at the LHC
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Elsevier, 2017)Measurements of two- and multi-particle angular correlations in pp collisions at root s = 5, 7, and 13TeV are presented as a function of charged-particle multiplicity. The data, corresponding to integrated luminosities of ... -
Evidence for electroweak production of four charged leptons and two jets in proton-proton collisions at root s=13 TeV
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Elsevier, 2021)Evidence is presented for the electroweak (EW) production of two jets (jj) in association with two Z-bosons and constraints on anomalous quartic gauge couplings are set. The analysis is based on a data sample of proton-proton ... -
Evidence for exclusive gamma gamma -> W (+) W (-) production and constraints on anomalous quartic gauge couplings in pp collisions at and 8 TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer, 2016)A search for exclusive or quasi-exclusive gamma gamma -> W (+) W (-) production, via pp -> p ((*)) W (+) W (-) p ((*)) -> p ((*)) mu (+/-)e(a") p ((*)) at TeV, is reported using data corresponding to an integrated luminosity ... -
Evidence for Higgs boson decay to a pair of muons
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer, 2021)Evidence for Higgs boson decay to a pair of muons is presented. This result combines searches in four exclusive categories targeting the production of the Higgs boson via gluon fusion, via vector boson fusion, in association ... -
Evidence for light-by-light scattering and searches for axion-like particles in ultraperipheral PbPb collisions at root s(NN)=5.02 TeV
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Brandstetter, J.; Özdemir, Kadri; CMS Collaboration (Elsevier, 2019)Evidence for the light-by-light scattering process, gamma gamma -> gamma gamma, in ultraperipheral PbPb collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV is reported. The analysis is conducted using a data ... -
Evidence for light-by-light scattering in ultraperipheral PbPb collisions at root S-NN=5.02 TeV
d'Enterria, David; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Özdemir, Kadri; CMS Collaboration (Elsevier, 2019)Evidence for light-by-light (LbL) scattering, gamma gamma -> gamma gamma, in ultraperipheral PbPb collisions at a nucleon-nucleon center of-mass energy of 5.02 TeV is reported. LbL scattering processes are selected in ... -
Evidence for the Associated Production of a Single Top Quark and a Photon in Proton-Proton Collisions at root s=13 TeV
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Amer Physical Soc, 2018)The first evidence of events consistent with the production of a single top quark in association with a photon is reported. The analysis is based on proton-proton collisions at root s = 13 TeV and recorded by the CMS ... -
Evidence for the Higgs boson decay to a bottom quark-antiquark pair
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Elsevier, 2018)A search for the standard model (SM) Higgs boson (H) decaying to b(b)over-bar when produced in association with an electroweak vector boson is reported for the following processes: Z(vv)H, W(mu v)H, W(ev)H, Z(mu mu)H, and ... -
Evidence for Top Quark Production in Nucleus-Nucleus Collisions
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Özdemir, Kadri; CMS Collaboration (Amer Physical Soc, 2020)Ultrarelativistic heavy ion collisions recreate in the laboratory the thermodynamical conditions prevailing in the early universe up to 10(-6) sec, thereby allowing the study of the quark-gluon plasma (QGP), a state of ... -
Evidence for transverse-momentum- and pseudorapidity-dependent event-plane fluctuations in PbPb and pPb collisions
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Amer Physical Soc, 2015)A systematic study of the factorization of long-range azimuthal two-particle correlations into a product of single-particle anisotropies is presented as a function of pT and nu of both particles and as a function of the ... -
Evidence for WW production from double-parton interactions in proton-proton collisions at root s=13 TeV
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Brandstetter, J.; Özdemir, Kadri; CMS Collaboration (Springer, 2020)A search forWWproduction from double-parton scattering processes using same-charge electron-muon and dimuon events is reported, based on proton-proton collision data collected at a center-of-mass energy of 13 TeV. The ... -
Evidence for X(3872) in Pb-Pb Collisions and Studies of its Prompt Production at sNN =5.02 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi,F.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2022)The first evidence for X(3872) production in relativistic heavy ion collisions is reported. The X(3872) production is studied in lead-lead (Pb-Pb) collisions at a center-of-mass energy of sNN=5.02 TeV per nucleon pair, ... -
Experimental study of different silicon sensor options for the upgrade of the CMS Outer Tracker
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Iop Publishing Ltd, 2020)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 ... -
Extraction and validation of a new set of CMS pythia8 tunes from underlying-event measurements
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer, 2020)New sets of CMS underlying-event parameters ("tunes") are presented for the pythia8 event generator. These tunes use the NNPDF3.1 parton distribution functions (PDFs) at leading (LO), next-to-leading (NLO), or next-to-ne ... -
FCC Physics Opportunities: Future Circular Collider Conceptual Design Report Volume 1
Abada, A.; Abbrescia, M.; AbdusSalam, S. S.; Abdyukhanov, I.; Fernandez, J. Abelleira; Abramov, A.; Özdemir, Kadri; CMS Collaboration (Springer, 2019)We review the physics opportunities of the Future Circular Collider, covering its e(+)e(-), pp, ep and heavy ion programmes. We describe the measurement capabilities of each FCC component, addressing the study of electroweak, ... -
FCC-ee: the Lepton Collider: Future Circular Collider Conceptual Design Report Volume 2
Abada, A.; Abbrescia, M.; AbdusSalam, S. S.; Abdyukhanov, I.; Fernandez, J. Abelleira; Abramov, A.; Özdemir, Kadri; CMS Collaboration (Springer Heidelberg, 2019)In response to the 2013 Update of the European Strategy for Particle Physics, the Future Circular Collider (FCC) study was launched, as an international collaboration hosted by CERN. This study covers a highest-luminosity ...
