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Armen Tumasyan

Researcher at Yerevan Physics Institute

Publications -  1330
Citations -  88558

Armen Tumasyan is an academic researcher from Yerevan Physics Institute. The author has contributed to research in topics: Large Hadron Collider & Lepton. The author has an hindex of 128, co-authored 1189 publications receiving 79408 citations. Previous affiliations of Armen Tumasyan include CERN & Austrian Academy of Sciences.

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Electron and photon reconstruction and identification with the CMS experiment at the CERN LHC

Albert M. Sirunyan, +2408 more
TL;DR: In this paper, the performance of the reconstruction and identification algorithms for electrons and photons with the CMS experiment at the LHC is presented, based on proton-proton collision data collected at a center-of-mass energy of 13 TeV and recorded in 2016-2018, corresponding to an integrated luminosity of 136 fb$^{-1}$.
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Search for vectorlike charge 2/3 T quarks in proton-proton collisions at √(s) = 8 TeV

Vardan Khachatryan, +2372 more
- 19 Jan 2016 - 
TL;DR: In this article, a search for fermionic top quark partners T of charge 2/3 was carried out in proton-proton collisions corresponding to an integrated luminosity of 19.7 inverse femtobarns collected at a center-of-mass energy of sqrt(s) = 8 TeV with the CMS detector at the LHC.
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Search for resonant and nonresonant Higgs boson pair production in the b(b)over-barl nu l nu final state in proton-proton collisions at root s=13 TeV

Albert M. Sirunyan, +2298 more
TL;DR: In this article, the authors performed searches for resonant and nonresonant pair-produced Higgs bosons (HH) decaying respectively into l nu l nu, through either W or Z bosons, and b (b) over bar.
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Search for new physics with same-sign isolated dilepton events with jets and missing transverse energy

S. Chatrchyan, +2274 more
TL;DR: In this article, a search for new physics is performed in events with two same-sign isolated leptons, hadronic jets, and missing transverse energy in the final state, based on a data sample corresponding to an integrated luminosity of 4.98 inverse femtobarns produced in pp collisions at a center-of-mass energy of 7 TeV collected by the CMS experiment at the LHC.

Search for top-squark pair production in the single-lepton final state in pp collisions at √s = 8 TeV

S. Chatrchyan, +2205 more