Browsing by Author "Tumasyan, A."
Now showing items 101-119 of 119
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Search for resonances decaying to three W bosons in the hadronic final state in proton-proton collisions at √s = 13 TeV
Tumasyan, A.; Işıldak, Bora (American Physical Society, 2022-07)A search for Kaluza-Klein excited vector boson resonances, WKK, decaying in cascade to three W bosons via a scalar radion R, WKK→WR→WWW, in a final state containing two or three massive jets is presented. The search is ... -
Search for resonances decaying to three W bosons in proton-proton collisions at √s =13 TeV
Tumasyan, A.; Işıldak, Bora (American Physical Society, 2022-07-06)A search for resonances decaying into a W boson and a radion, where the radion decays into two W bosons, is presented. The data analyzed correspond to an integrated luminosity of 138 fb-1 recorded in proton-proton collisions ... -
Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at √s = 13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2023-07-21)A search for pairs of dijet resonances with the same mass is conducted in final states with at least four jets. Results are presented separately for the case where the four jet production proceeds via an intermediate ... -
Search for resonant production of strongly coupled dark matter in proton-proton collisions at 13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2022-06-29)The first collider search for dark matter arising from a strongly coupled hidden sector is presented and uses a data sample corresponding to 138 fb−1, collected with the CMS detector at the CERN LHC, at s = 13 TeV. The ... -
Search for single production of a vector-like T quark decaying to a top quark and a Z boson in the final state with jets and missing transverse momentum at s√ = 13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2022-05)A search is presented for single production of a vector-like T quark with charge 2/3 e, in the decay channel featuring a top quark and a Z boson, with the top quark decaying hadronically and the Z boson decaying to neutrinos. ... -
Search for strongly interacting massive particles generating trackless jets in proton–proton collisions at s√ = 13TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2022-03)A search for dark matter in the form of strongly interacting massive particles (SIMPs) using the CMS detector at the LHC is presented. The SIMPs would be produced in pairs that manifest themselves as pairs of jets without ... -
Search for supersymmetry in final states with a single electron or muon using angular correlations and heavy-object identification in proton-proton collisions at √s=13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2023-09-22)A search for supersymmetry is presented in events with a single charged lepton, electron or muon, and multiple hadronic jets. The data correspond to an integrated luminosity of 138 fb(-1) of proton-proton collisions at a ... -
Search for supersymmetry in final states with two or three soft leptons and missing transverse momentum in proton-proton collisions at s√ = 13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2022-04-14)A search for supersymmetry in events with two or three low-momentum leptons and missing transverse momentum is performed. The search uses proton-proton collisions at s = 13 TeV collected in the three-year period 2016–2018 ... -
Search for top squark pair production in a final state with at least one hadronically decaying tau lepton in proton-proton collisions at √s=13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2023-07-13)A search for pair production of the supersymmetric partner of the top quark, the top squark, in proton-proton collisions at root s = 13TeV is presented in final states containing at least one hadronically decaying tau ... -
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 Wγ resonances in proton-proton collisions at √s = 13 TeV using hadronic decays of Lorentz-boosted W bosons
Tumasyan, A.; Işıldak, Bora (Elsevier, 2022-03-10)A search for Wγ resonances in the mass range between 0.7 and 6.0 TeV is presented. The W boson is reconstructed via its hadronic decays, with the final-state products forming a single large-radius jet, owing to a high ... -
Search for Z′ bosons decaying to pairs of heavy Majorana neutrinos in proton-proton collisions at √s=13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2023-11-24)A search for the production of pairs of heavy Majorana neutrinos (N-& ell;) from the decays of Z ' bosons is performed using the CMS detector at the LHC. The data were collected in proton-proton collisions at a center-of-mass ... -
Searches for additional Higgs bosons and for vector leptoquarks in τ τ final states in proton-proton collisions at √s = 13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2023-07-10)Three searches are presented for signatures of physics beyond the standard model (SM) in tau tau final states in proton-proton collisions at the LHC, using a data sample collected with the CMS detector at root s = 13 TeV, ... -
Strange hadron collectivity in pPb and PbPb collisions
Tumasyan, A.; Işıldak, Bora (Springer, 2023-05-02)The collective behavior of and strange hadrons is studied by measuring the elliptic azimuthal anisotropy (v2) using the scalar-product and multiparticle correlation methods. Proton-lead (pPb) collisions at a ... -
Strategies and performance of the CMS silicon tracker alignment during LHC Run 2
Tumasyan, A.; Işıldak, Bora (Elsevier, 2022-08-11)The strategies for and the performance of the CMS silicon tracking system alignment during the 2015–2018 data-taking period of the LHC are described. The alignment procedures during and after data taking are explained. ... -
Study of dijet events with large rapidity separation in proton-proton collisions at s√ = 2.76 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2022-03-28)The cross sections for inclusive and Mueller-Navelet dijet production are measured as a function of the rapidity separation between the jets in proton-proton collisions at s = 2.76 TeV for jets with transverse momentum pT> ... -
Study of quark and gluon jet substructure in Z+jet and dijet events from pp collisions
Tumasyan, A.; Işıldak, Bora (Springer, 2022-01-31)Measurements of jet substructure describing the composition of quark- and gluon-initiated jets are presented. Proton-proton (pp) collision data at s = 13 TeV collected with the CMS detector are used, corresponding to an ... -
Study of Z boson plus jets events using variables sensitive to double-parton scattering in pp collisions at 13 TeV
Tumasyan, A.; Işıldak, Bora (Springer, 2021-10-21)Double-parton scattering is investigated using events with a Z boson and jets. The Z boson is reconstructed using only the dimuon channel. The measurements are performed with proton-proton collision data recorded by the ... -
Two-particle azimuthal correlations in γp interactions using pPb collisions at √sNN = 8.16 TeV
Tumasyan, A.; Işıldak, Bora (Elsevier, 2023-09-10)The first measurements of the Fourier coefficients (VnΔ) of the azimuthal distributions of charged hadrons emitted from photon-proton (γp) interactions are presented. The data are extracted from 68.8 nb−1 of ultra-peripheral ...
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