Yazar "Sirunyan, A.M." için listeleme
-
Angular analysis of the decay B+ ? K?(892)+ ? + ? ? in proton-proton collisions at ?s = 8 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Escalante, Del Valle A.; Özdemir, Kadri; CMS Collaboration (Springer Science and Business Media Deutschland GmbH, 2021)Angular distributions of the decay B+? K?(892)+?+?? are studied using events collected with the CMS detector in s = 8 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 20.0 fb?1. The ... -
Charged-particle angular correlations in XeXe collisions at sNN =5.44 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2019)Azimuthal correlations of charged particles in xenon-xenon collisions at a center-of-mass energy per nucleon pair of sNN=5.44 TeV are studied. The data were collected by the CMS experiment at the LHC with a total integrated ... -
Combined search for electroweak production of charginos and neutralinos in proton-proton collisions at ?s=13 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer Verlag, 2018)A statistical combination of several searches for the electroweak production of charginos and neutralinos is presented. All searches use proton-proton collision data at s=13 TeV, recorded with the CMS detector at the LHC ... -
Comparison of the Z/? ? + jets to ? + jets cross sections in pp collisions at (Formula presented.) TeV
Khachatryan, V.; Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer Verlag, 2015)Abstract: A comparison of the differential cross sections for the processes Z/?* + jets and photon (?)+jets is presented. The measurements are based on data collected with the CMS detector at s=8(Formula presented.) TeV ... -
Constraints on anomalous Higgs boson couplings to vector bosons and fermions in its production and decay using the four-lepton final state
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Andrejkovic, J.W.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2021)Studies of CP violation and anomalous couplings of the Higgs boson to vector bosons and fermions are presented. The data were acquired by the CMS experiment at the LHC and correspond to an integrated luminosity of 137 fb-1 ... -
Constraints on the Initial State of Pb-Pb Collisions via Measurements of Z -Boson Yields and Azimuthal Anisotropy at sNN =5.02 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi,F.; Özdemir, Kadri (American Physical Society, 2021)The CMS experiment at the LHC has measured the differential cross sections of Z bosons decaying to pairs of leptons, as functions of transverse momentum and rapidity, in lead-lead collisions at a nucleon-nucleon center-of-mass ... -
Constraints on the Initial State of Pb-Pb Collisions via Measurements of Z-Boson Yields and Azimuthal Anisotropy at root s(NN)=5.02 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2021)The CMS experiment at the LHC has measured the differential cross sections of Z bosons decaying to pairs of leptons, as functions of transverse momentum and rapidity, in lead-lead collisions at a nucleon-nucleon center-of-mass ... -
Erratum to: Search for dark matter produced in association with a leptonically decaying Z boson in proton–proton collisions at s = 13 Te (The European Physical Journal C, (2021), 81, 1, (13), 10.1140/epjc/s10052-020-08739-5)
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Özdemir, Kadri; CMS Collaboration (Springer Science and Business Media Deutschland GmbH, 2021)A Correction to this paper has been published: https://doi.org/10.1140/epjc/s10052-020-08739-5 © 2021, CERN for the benefit of the CMS Collaboration. -
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, ... -
First measurement of large area jet transverse momentum spectra in heavy-ion collisions
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi,F.; Özdemir, Kadri; CMS Collaboration (Springer, 2021)Jet production in lead-lead (PbPb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02TeV is studied with the CMS detector at the LHC, using PbPb and pp data samples corresponding to ... -
First measurement of the cross section for top quark pair production with additional charm jets using dileptonic final states in pp collisions at root s=13 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Elsevier, 2021)The first measurement of the inclusive cross section for top quark pairs (tt) produced in association with two additional charm jets is presented. The analysis uses the dileptonic final states of tt events produced in ... -
Hard color-singlet exchange in dijet events in proton-proton collisions at root s=13 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi,F.; Özdemir, Kadri (American Physical Society, 2021)Events where the two leading jets are separated by a pseudorapidity interval devoid of particle activity, known as jet-gap-jet events, are studied in proton-proton collisions at root s = 13 TeV. The signature is expected ... -
Measurement of differential cross sections for Z bosons produced in association with charm jets in pp collisions at ?s = 13 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Özdemir, Kadri; CMS Collaboration (Springer Science and Business Media Deutschland GmbH, 2021)Measurements are presented of differential cross sections for the production of Z bosons in association with at least one jet initiated by a charm quark in pp collisions at s = 13 TeV. The data recorded by the CMS experiment ... -
Measurement of differential t t ¯ production cross sections using top quarks at large transverse momenta in pp collisions at s =13 TeV MEASUREMENT of DIFFERENTIAL t t ¯ ... SIRUNYAN A. M. et al.
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2021)A measurement is reported of differential top quark pair (tt¯) production cross sections, where top quarks are produced at large transverse momenta. The data collected with the CMS detector at the LHC are from pp collisions ... -
Measurement of the Higgs boson production rate in association with top quarks in final states with electrons, muons, and hadronically decaying tau leptons at ?s=13Te
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Özdemir, Kadri; CMS Collaboration (Springer Science and Business Media Deutschland GmbH, 2021)The rate for Higgs (H) bosons production in association with either one (t H) or two (t t ¯ H) top quarks is measured in final states containing multiple electrons, muons, or tau leptons decaying to hadrons and a neutrino, ... -
Measurement of the inclusive and differential t(t)over-bar gamma cross sections in the single-lepton channel and EFT interpretation at root s=13 TeV
Sirunyan, A.M.; Tumasyan, A.; Andrejkovic, J.W.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer, 2021)The production cross section of a top quark pair in association with a photon is measured in proton-proton collisions at a center-of-mass energy of 13 TeV. The data set, corresponding to an integrated luminosity of 137 ... -
Measurement of the transverse momentum spectrum of the Higgs boson produced in pp collisions at ?s=8 TeV using H ? WW decays
CMS collaboration; Khachatryan, V.; Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Asilar, E.; Özdemir, Kadri; CMS Collaboration (Springer Verlag, 2017)The cross section for Higgs boson production in pp collisions is studied using the H ? W+W? decay mode, followed by leptonic decays of the W bosons to an oppositely charged electron-muon pair in the final state. The ... -
Measurement of the Wγ production cross section in proton-proton collisions at √ s = 13 TeV and constraints on effective field theory coefficients
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi,F.; Bergauer, T.; Brandstetter, J.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2021)A fiducial cross section for Wγ production in proton-proton collisions is measured ata center-of-mass energy of 13 TeV in 137 fb−1 of data collected using the CMS detector at the LHC. The W → eν and µν decay modes are used ... -
Measurements of angular distance and momentum ratio distributions in three-jet and Z + two-jet final states in pp collisions
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer Verlag, 2021)Collinear (small-angle) and large-angle, as well as soft and hard radiations are investigated in three-jet and Z + two-jet events collected in proton-proton collisions at the LHC. The normalized production cross sections ... -
Measurements of Higgs boson production cross sections and couplings in the diphoton decay channel at √s = 13 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Andrejkovic, J.W.; Özdemir, Kadri (Scuola Internazionale Superiore di Studi Avanzati (SISSA), 2021)Measurements of Higgs boson production cross sections and couplings in events where the Higgs boson decays into a pair of photons are reported. Events are selected from a sample of proton-proton collisions at s = 13 TeV ...
