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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.

Papers
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Pseudorapidity and transverse momentum dependence of flow harmonics in p Pb and PbPb collisions

Albert M. Sirunyan, +2390 more
- 05 Oct 2018 - 
TL;DR: In this article, Fourier coefficients as functions of transverse momentum and pseudorapidity are studied using the scalar product method; four-, six-, and eight-particle cumulants; and the Lee-Yang zero technique.
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Search for direct pair production of scalar top quarks in the single- and dilepton channels in proton-proton collisions at √s= 8 TeV

Vardan Khachatryan, +2365 more
- 09 Feb 2016 - 
TL;DR: In this article, a search for the top squark t_1, the lighter of the two supersymmetric partners of the top quark, is reported from a search of 19.7 fb^(−1) of proton-proton collisions at √s = 8 TeV collected with the CMS detector at the LHC.
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A search for excited leptons in pp collisions at √s = 7 TeV

S. Chatrchyan, +2177 more
TL;DR: In this article, a search for excited leptons was carried out with the CMS detector at the LHC, using 36 inverse picobarns of lepton collision data recorded at 7 TeV.
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Observation of a New Excited Beauty Strange Baryon Decaying to Ξb- π+π-

Albert M. Sirunyan, +2345 more
- 25 Jun 2021 - 
TL;DR: In this article, an event sample of proton-proton collisions at 13 TeV was collected by the CMS experiment at the LHC in 2016-2018 and corresponding to an integrated luminosity of 140 fb$^{-1}.
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Investigation into the event-activity dependence of ϒ(nS) relative production in proton-proton collisions at √ s = 7 TeV

Albert M. Sirunyan, +2379 more
- 02 Nov 2020 - 
TL;DR: In this article, the production cross sections between excited ϒ(2S) and ϒ (3S) mesons and the ground state, detected via their decay into two muons, are studied as a function of the number of charged particles in the event.