Browsing by Author "Işıldak, Bora"
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Search for top squark production in fully hadronic final states in proton-proton collisions at √s = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2021-09-10)A search for production of the supersymmetric partners of the top quark, top squarks, is presented. The search is based on proton-proton collision events containing multiple jets, no leptons, and large transverse momentum ... -
Search for top squarks decaying via four-body or chargino-mediated modes in single-lepton final states in proton-proton collisions at √s=13 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2018-09)A search for the pair production of the lightest supersymmetric partner of the top quark ((t) over tilde (1)) is presented. The search focuses on a compressed scenario where the mass difference between the top squark and ... -
Search for top squarks in final states with two top quarks and several light-flavor jets in proton-proton collisions at √s = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2021-08-20)Many new physics models, including versions of supersymmetry characterized by R-parity violation (RPV), compressed mass spectra, long decay chains, or additional hidden sectors, predict the production of events with top ... -
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 squarks in the four-body decay mode with single lepton final states in proton-proton collisions at √s = 13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2023-06-12)A search for the pair production of the lightest supersymmetric partner of the top quark, the top squark ((t) over tilde (1)), is presented. The search targets the four-body decay of the (t) over tilde (1), which is preferred ... -
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 ... -
Search for two Higgs bosons in final states containing two photons and two bottom quarks in proton-proton collisions at 8 TeV
Khachatryan, V.; Işıldak, Bora (American Physical Society, 2016-09-01)A search is presented for the production of two Higgs bosons in final states containing two photons and two bottom quarks. Both resonant and nonresonant hypotheses are investigated. The analyzed data correspond to an ... -
Search for vector-like quarks in events with two oppositely charged leptons and jets in proton–proton collisions at s√ = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2019-04-26)A search for the pair production of heavy vector-like partners T and B of the top and bottom quarks has been performed by the CMS experiment at the CERN LHC using proton-proton collisions at . The data sample was collected ... -
Search for vector-like T and B quark pairs in final states with leptons at s√=13 TeV
Sirunyan, A. M.; Işıldak, Bora (Springer Nature, 2018-08)A search is presented for pair production of heavy vector-like T and B quarks in proton-proton collisions at s=13 TeV. The data sample corresponds to an integrated luminosity of 35.9 fb −1 , collected with the CMS detector ... -
Search for vector-like T quarks decaying to top quarks and Higgs bosons in the all-hadronic channel using jet substructure
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2015-06)A search is performed for a vector-like heavy T quark that is produced in pairs and that decays to a top quark and a Higgs boson. The data analysed correspond to an integrated luminosity of 19.7 fb−1 collected with the CMS ... -
Search for vectorlike charge 2 /3 T quarks in proton-proton collisions at (s)=8 TeV
Khachatryan, V.; Işıldak, Bora (American Physical Society, 2016-01-01)A search for fermionic top quark partners T of charge 2/3 is presented. The search is carried out in proton-proton collisions corresponding to an integrated luminosity of 19.7 fb−1 collected at a center-of-mass energy of ... -
Search for vectorlike leptons in multilepton final states in proton-proton collisions at √ s = 13 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2019-09-06)A search for vectorlike leptons in multilepton final states is presented. The data sample corresponds to an integrated luminosity of 77.4 fb(-1) of proton-proton collisions at a center-of-mass energy of 13 TeV collected ... -
Search for vectorlike light-flavor quark partners in proton-proton collisions at √s=8 TeV
Sirunyan, A. M.; Işıldak, Bora (American Physical Society., 2018-04-11)A search is presented for heavy vectorlike quarks (VLQs) that couple only to light quarks in proton-proton collisions at root s = 8 TeV at the LHC. The data were collected by the CMS experiment during 2012 and correspond ... -
Search for W ' -> tb decays in the lepton plus jets final state in pp collisions at root s=8 TeV
Chatrchyan, S.; Işıldak, Bora (Springer Science+Business Media, 2014-05)Results are presented from a search for the production of a heavy gauge boson W' decaying into a top and a bottom quark, using a data set collected by the CMS experiment at root s = 8 TeV and corresponding to an integrated ... -
Search for W ' -> tb in proton-proton collisions at root s=8 TeV
Işıldak, Bora (Springer Nature, 2016-02)A search is performed for the production of a massive W′ boson decaying to a top and a bottom quark. The data analysed correspond to an integrated luminosity of 19.7 fb−1 collected with the CMS detector at the LHC in ... -
Search for W boson decays to three charged pions
Sirunyan, A. M.; Işıldak, Bora (American Physical Society, 2019-04-18)For the first time, a search for the rare decay of the W boson to three charged pions has been performed. Proton-proton collision data recorded by the CMS experiment at a center-of-mass energy of 13 TeV, corresponding to ... -
Search for W' decaying to tau lepton and neutrino in proton-proton collisions at s=8 TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2016-04-10)The first search for a heavy charged vector boson in the final state with a tau lepton and a neutrino is reported, using 19.7 fb−1 of LHC data at View the MathML source. A signal would appear as an excess of events with ... -
Search for WW gamma and WZ gamma production and constraints on anomalous quartic gauge couplings in pp collisions at root s=8 TeV
Chatrchyan, S.; Işıldak, Bora (American Physical Society, 2014-08-01)A search for WV gamma triple vector boson production is presented based on events containing a W boson decaying to a muon or an electron and a neutrino, a second V (W or Z) boson, and a photon. The data correspond to an ...
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