Browsing Faculty of Engineering by Author "Chatrchyan, S."
Now showing items 161-180 of 203
-
Search for supersymmetry in events with opposite-sign dileptons and missing transverse energy using an artificial neural network
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2013-04-01)In this paper, a search for supersymmetry (SUSY) is presented in events with two opposite-sign isolated leptons in the final state, accompanied by hadronic jets and missing transverse energy. An artificial neural network ... -
Search for supersymmetry in events with photons and low missing transverse energy in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Elsevier, 2013-02-12)Many models of new physics, including versions of supersymmetry (SUSY), predict production of events with low missing transverse energy, electroweak gauge bosons, and many energetic final-state particles. The stealth SUSY ... -
Search for supersymmetry in final states with a single lepton, b-quark jets, and missing transverse energy in proton-proton collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2013-03-05)A search motivated by supersymmetric models with light top squarks is presented using proton-proton collision data recorded with the CMS detector at a center-of-mass energy of root s = 7 TeV during 2011, corresponding to ... -
Search for supersymmetry in final states with missing transverse energy and 0, 1, 2, or >= 3 b-quark jets in 7 TeV pp collisions using the variable alpha(T)
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2013-01)A search for supersymmetry in final states with jets and missing transverse energy is performed in pp collisions at a centre-of-mass energy of root s = 7 TeV. The data sample corresponds to an integrated luminosity of 4.98 ... -
Search for supersymmetry in hadronic final states using M-T2 in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2012-10)A search for supersymmetry or other new physics resulting in similar final states is presented using a data sample of 4.73 fb(-1) of pp collisions collected at root s = 7 TeV with the CMS detector at the LHC. Fully hadronic ... -
Search for supersymmetry in hadronic final states with missing transverse energy using the variables alpha(T) and b-quark multiplicity in pp collisions at root s=8 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2013-09)An inclusive search for supersymmetric processes that produce final states with jets and missing transverse energy is performed in pp collisions at a centre-of-mass energy of 8 TeV. The data sample corresponds to an ... -
Search for supersymmetry in pp collisions at root s=7 TeV in events with a single lepton, jets, and missing transverse momentum
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2013-05)Results are reported from a search for new physics processes in events containing a single isolated high-transverse-momentum lepton (electron or muon), energetic jets, and large missing transverse momentum. The analysis ... -
Search for supersymmetry in pp collisions at root s=8 TeV in events with a single lepton, large jet multiplicity, and multiple b jets
Chatrchyan, S.; Işıldak, Bora (Elsevier, 2014)Results are reported from a search for supersymmetry in pp collisions at a center-of-mass energy of 8 TeV, based on events with a single isolated lepton (electron or muon) and multiple jets, at least two of which are ... -
Search for supersymmetry with razor variables in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2014-12-01)The razor approach to search for R–parity conserving supersymmetric particles is described in detail. Two analyses are considered: an inclusive search for new heavy particle pairs decaying to final states with at least two ... -
Search for the associated production of the Higgs boson with a top-quark pair
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2014-09)A search for the standard model Higgs boson produced in association with a top-quark pair (t (t) over barH) is presented, using data samples corresponding to integrated luminosities of up to 5.1 fb(-1) and 19.7 fb(-1) ... -
Search for the standard model Higgs boson produced in association with a top-quark pair in pp collisions at the LHC
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2013-05)A search for the standard model Higgs boson produced in association with a top-quark pair is presented using data samples corresponding to an integrated luminosity of 5.0 fb(-1) (5.1 fb-1) collected in pp collisions at the ... -
Search for the standard model Higgs boson produced in association with a W or a Z boson and decaying to bottom quarks
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2014-01-01)A search for the standard model Higgs boson (H) decaying to bb¯ when produced in association with a weak vector boson (V) is reported for the following channels: W(μν)H, W(eν)H, W(τν)H, Z(μμ)H, Z(ee)H, and Z(νν)H. The ... -
Search for the standard model Higgs boson produced in association with W and Z bosons in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2012-11)A search for the Higgs boson produced in association with a W or Z boson in proton-proton collisions at a center-of-mass energy of 7 TeV is performed with the CMS detector at the LHC using the full 2011 data sample, from ... -
Search for third-generation leptoquarks and scalar bottom quarks in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2012-12)Results are presented from a search for third-generation leptoquarks and scalar bottom quarks in a sample of proton-proton collisions at root s = 7TeV collected by the CMS experiment at the LHC, corresponding to an integrated ... -
Search for three-jet resonances in pp collisions at root s=7 TeV
Chatrchyan, S.; Işıldak, Bora (Elsevier, 2012)Results are reported from a search for the production of three-jet resonances in pp collisions at a center-of-mass energy root s = 7 TeV. The study uses the data sample collected by the CMS experiment at the LHC in 2011, ... -
Search for top squark and Higgsino production using diphoton Higgs boson decays
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2014-04-25)Results are presented of a search for a "natural" supersymmetry scenario with gauge mediated symmetry breaking. It is assumed that only the supersymmetric partners of the top quark (the top squark) and the Higgs boson ... -
Search for top squarks in r-parity-violating supersymmetry using three or more leptons and b-tagged jets
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2013-11-27)A search for anomalous production of events with three or more isolated leptons and bottom-quark jets produced in pp collisions at s√=8 TeV is presented. The analysis is based on a data sample corresponding to an integrated ... -
Search for top-quark partners with charge 5/3 in the same-sign dilepton final state
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2014-05-02)A search for the production of heavy partners of the top quark with charge 5/3 is performed in events with a pair of same-sign leptons. The data sample corresponds to an integrated luminosity of 19.5 fb(-1) and was collected ... -
Search for top-squark pair production in the single-lepton final state in pp collisions at √s = 8 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2013-12)This paper presents a search for the pair production of top squarks in events with a single isolated electron or muon, jets, large missing transverse momentum, and large transverse mass. The data sample corresponds to an ... -
Search for top-squark pairs decaying into Higgs or Z bosons in pp collisions at root s=8 TeV
Chatrchyan, S.; Işıldak, Bora (Elsevier, 2014-09-07)A search for supersymmetry through the direct pair production of top squarks, with Higgs (H) or Z bosons in the decay chain, is performed using a data sample of proton-proton collisions at root s = 8 TeVcollected in 2012 ...
Share this page