Browsing by Author "Khachatryan, V."
Now showing items 121-140 of 233
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Search for a standard model-like Higgs boson in the μ+μ- and e+e- decay channels at the LHC
Khachatryan, V.; Işıldak, Bora (Elsevier, 2015-05-11)A search is presented for a standard model-like Higgs boson decaying to the μ+μ− or e+e− final states based on proton–proton collisions recorded by the CMS experiment at the CERN LHC. The data correspond to integrated ... -
Search for a very light NMSSM Higgs boson produced in decays of the 125 GeV scalar boson and decaying into τ leptons in pp collisions at √s=8 TeV
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2016-01)A search for a very light Higgs boson decaying into a pair of τ leptons is presented within the framework of the next-to-minimal supersymmetric standard model. This search is based on a data set corresponding to an integrated ... -
Search for anomalous single top quark production in association with a photon in pp collisions at √s = 8 TeV
Khachatryan, V.; Işıldak, Bora (2016-04)The result of a search for flavor changing neutral currents (FCNC) through single top quark production in association with a photon is presented. The study is based on proton-proton collisions at a center-of-mass energy ... -
Search for anomalous Wtb couplings and flavour-changing neutral currents in t-channel single top quark production in pp collisions at root s=7 and 8 TeV
Khachatryan, V.; Işıldak, Bora (Springer International, 2017)Single top quark events produced in the t channel are used to set limits on anomalous Wtb couplings and to search for top quark flavour-changing neutral current (FCNC) interactions. The data taken with the CMS detector at ... -
Search for CP violation in t(t)over-bar production and decay in proton-proton collisions at root s=8 TeV
Khachatryan, V.; Işıldak, Bora (Springer International, 2017)The results of a first search for CP violation in the production and decay of top quark-antiquark ( tt¯tt¯ ) pairs are presented. The search is based on asymmetries in T-odd, triple-product correlation observables, where ... -
Search for dark matter and supersymmetry with a compressed mass spectrum in the vector boson fusion topology in proton-proton collisions at root s=8 TeV
Khachatryan, V.; Işıldak, Bora (APS, 2017)A first search for pair production of dark matter candidates through vector boson fusion in proton-proton collisions at √s=8 TeV is performed with the CMS detector. The vector boson fusion topology enhances missing ... -
Search for dark matter and unparticles produced in association with a Z boson in proton-proton collisions at s =8 TeV
Khachatryan, V.; Işıldak, Bora (2016-03-01)A search for evidence of particle dark matter (DM) and unparticle production at the LHC has been performed using events containing two charged leptons, consistent with the decay of a Z boson, and large missing transverse ... -
Search for dark matter inproton-proton collisions at 8 TeV with missing transverse momentum and vector boson tagged jets
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2016-12-16)A search is presented for an excess of events with large missing transverse momentum in association with at least one highly energetic jet, in a data sample of protonproton collisions at a centre-of-mass energy of 8 TeV. ... -
Search for dark matter particles in proton-proton collisions at root 8 = TeV using the razor variables
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2016)A search for dark matter particles directly produced in proton-proton collisions recorded by the CMS experiment at the LHC is presented. The data correspond to an integrated luminosity of 18.8 fb(-1), at a center-of-mass ... -
Search for dark matter, extra dimensions, and unparticles in monojet events in proton-proton collisions at root s=8TeV
Khachatryan, V.; Işıldak, Bora (Springer Nature, 2015-05)Results are presented from a search for particle dark matter (DM), extra dimensions, and unparticles using events containing a jet and an imbalance in transverse momentum. The data were collected by the CMS detector in ... -
Search for decays of stopped long-lived particles produced in proton-proton collisions at root s=8TeV
Khachatryan, V.; Işıldak, Bora (Springer Nature, 2015-04)A search has been performed for long-lived particles that could have come to rest within the CMS detector, using the time intervals between LHC beam crossings. The existence of such particles could be deduced from observation ... -
Search for diphoton resonances in the mass range from 150 to 850 GeV in pp collisions at √s = 8 TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2015-11-12)Results are presented of a search for heavy particles decaying into two photons. The analysis is based on a View the MathML source sample of proton–proton collisions at View the MathML source collected with the CMS detector ... -
Search for direct pair production of scalar top quarks in the single- and dilepton channels in proton-proton collisions at √s= 8 TeV
Khachatryan, V.; Işıldak, Bora (Springer Nature, 2016-06)are reported from a search for the top squark t~1t~1 , the lighter of the two supersymmetric partners of the top quark. The data sample corresponds to 19.7 fb−1 of proton-proton collisions at s√=8s=8 TeV collected with ... -
Search for direct pair production of supersymmetric top quarks decaying to all-hadronic final states in pp collisions at s√=8TeV
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2016)Results are reported from a search for the pair production of top squarks, the supersymmetric partners of top quarks, in final states with jets and missing transverse momentum. The data sample used in this search was ... -
Search for disappearing tracks in proton-proton collisions at s√=8s=8 TeV
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2015-01)A search is presented for long-lived charged particles that decay within the CMS detector and produce the signature of a disappearing track. Disappearing tracks are identified as those with little or no associated calorimeter ... -
Search for displaced supersymmetry in events with an electron and a muon with large impact parameters
Khachatryan, V.; Işıldak, Bora (American Physical Society, 2015-02-13)A search for new long-lived particles decaying to leptons is presented using proton-proton collisions produced by the LHC at s√=8 TeV. Data used for the analysis were collected by the CMS detector and correspond to an ... -
Search for electroweak production of charginos in final states with two T leptons in pp collisions at root s=8 TeV
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2017-04-04)Results are presented from a search for the electroweak production of supersymmetric particles in pp collisions in final states with two τ leptons. The data sample corresponds to an integrated luminosity between 18.1 fb−1 ... -
Search for excited leptons in proton-proton collisions at √s = 8 TeV
Khachatryan, V.; Işıldak, Bora (2016-03)A search for compositeness of electrons and muons is presented using a data sample of proton-proton collisions at a center-of-mass energy of s√=8s=8 TeV collected with the CMS detector at the LHC and corresponding to an ... -
Search for excited quarks in the γ + jet final state in proton-proton collisions at √s=8TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2014-11-10)A search for excited quarks decaying into the γ+jet final state is presented. The analysis is based on data corresponding to an integrated luminosity of 19.7 fb−1 collected by the CMS experiment in proton–proton collisions ... -
Search for exotic decays of a Higgs boson into undetectable particles and one or more photons
Khachatryan, V.; Işıldak, Bora (Elsevier, 2016-02-10)A search is presented for exotic decays of a Higgs boson into undetectable particles and one or two isolated photons in pp collisions at a center-of-mass energy of 8 TeV. The data correspond to an integrated luminosity of ...
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