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Serguei Afanasiev

Researcher at Joint Institute for Nuclear Research

Publications -  235
Citations -  25732

Serguei Afanasiev is an academic researcher from Joint Institute for Nuclear Research. The author has contributed to research in topics: Large Hadron Collider & Higgs boson. The author has an hindex of 54, co-authored 235 publications receiving 23229 citations. Previous affiliations of Serguei Afanasiev include Petersburg Nuclear Physics Institute.

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Search for Neutral MSSM Higgs Bosons Decaying to μ⁺μ⁻ in pp Collisions at √s = 7 and 8 TeV

Vardan Khachatryan, +2294 more
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Production of leading charged particles and leading charged-particle jets at small transverse momenta in pp collisions at sqrt(s) = 8 TeV

Vardan Khachatryan, +2155 more
- 01 Dec 2015 - 
TL;DR: In this paper, the per-event yield of the highest transverse momentum charged particle and charged particle jet, integrated above a given pt(min) threshold starting at pt (min)=0.8 and 1 GeV, respectively, is studied in pp collisions at sqrt(s)=8 TeV.

Exclusive and semi-exclusive pi+pi- production in proton-proton collisions at sqrt(s) = 7 TeV

Vardan Khachatryan, +2254 more
TL;DR: In this paper, a measurement of the exclusive and semi-exclusive production of charged pion pairs in proton-proton collisions is presented, where the pi+pi-pair is emitted at central rapidities, and scattered protons stay intact (p) or diffractively dissociate (p*) without detection.
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Constraints on the $\chi_\mathrm{c1}$ versus $\chi_\mathrm{c2}$ polarizations in proton-proton collisions at $\sqrt{s} =$ 8 TeV

Albert M. Sirunyan, +2306 more
- 01 Jan 2020 - 
TL;DR: In this article, the polarizations of the mesons produced by the LHC at s = 8'TeV were measured in the helicity frame, through the analysis of the χc2 to χ c1 yield ratio as a function of the polar or azimuthal angle of the positive muon emitted in the J/ψ→μ+μ- decay, in three bins of J /ψ transverse momentum.
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Search for W Boson Decays to Three Charged Pions

Albert M. Sirunyan, +2276 more
- 18 Apr 2019 - 
TL;DR: Proton-proton collision data recorded by the CMS experiment at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 77.3 fb^{-1], have been analyzed and no significant excess is observed above the background expectation.