Ֆիզիկայի ֆակուլտետ
Faculty of Physics
The process of training specialists in the field of physics and mathematics began in 1922 in YSU.:
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Armen R. Tumasyan

Lecturer | Chair of Nuclear Physics
Education
2003-2007 Bachelor in physics, Yerevan State University (YSU)
2007-2009 Master in nuclear physics, YSU
2009-2012 PhD student in Nuclear and Elementary Particles Physics, Yerevan Physics Institute (YerPhI), Laboratory No. 100/1

Academic degree
PhD in Nuclear and Elementary Particles Physics, 024, A.I. Alikhanyan National Science Laboratory (ANSL / YerPhI), 2012

Professional experience
2018-present, lecturer at YSU (faculty of physics)
2017-present, senior researcher at ANSL
2012-2017, researcher at ANSL
2009-2012, junior researcher, PhD student at ANSL
2007-2009, junior researcher at Joint Institute for Nuclear Research (JINR), Dubna (Russia)

Academic courses
Quantum theory of elementary particles interaction – master’s 1st grade, YSU (faculty of physics)
Experimental methods in high energy nuclear physics – bachelor’s 3rd grade, YSU (faculty of physics)

Scale of professional interests
High energy and particle physics, CMS experiment at LHC

Languages
Armenian, Russian, English

Professional membership
ANSL scientific board
CMS hadron calorimeter institutional board

Latest Publications (17)
Identification of heavy, energetic, hadronically decaying particles using machine-learning techniques
2020 | Article
Journal of Instrumentation, 2020, 15 (06), P06005-P06005
Calibration of the CMS hadron calorimeters using proton-proton collision data at √s = 13 TeV
2020 | Article
Journal of Instrumentation, 2020, 15 (05), P05002-P05002
Search for ttH production in the H→bb decay channel with leptonic tt decays in proton-proton collisions at √s=13 TeV
2019 | Article
Journal of High Energy Physics, 2019 (3), 26
Observation of Higgs Boson Decay to Bottom Quarks
2018 | Article
Physical Review Letters, 2018, 121 (12), 121801
Արմեն Թումասյան , V. Yu. Alexakhin, V. F. Andreev, V. B. Gavrilov, I. A. Golutvin
The use of Higgs boson production process for optimization of hadron calorimeter segmentation
2017 | Article
Bulletin of the Lebedev Physics Institute, 2017, Volume 44, Issue 1, 8-12
Արմեն Թումասյան , A.M. Sirunyan, V.A. Khachatryan, A.G. Petrosyan, V. Aloyan
Influence of transverse segmentation of back hadronic calorimeter of CMS detector (LHC) on identification of tagging jets in VBF H→τ−τ+ process
2017 | Article
Journal of Contemporary Physics (Armenian Academy of Sciences), 2017, Volume 52, Issue 4, 311–316
Արմեն Թումասյան , A.M. Sirunyan, W. Adam
Particle-flow reconstruction and global event description with the CMS detector
2017 | Article
Journal of Instrumentation, 2017, 12, no. 10, P10003
Արմեն Թումասյան , A.M. Sirunyan, V.A. Khachatryan, A.G. Petrosyan
Identification of tagging jets in VBF H→τ−τ+ process with CMS experiment on Large Hadron Collider at large amount of additionally imposed pp-interactions
2016 | Article
Journal of Contemporary Physics (Armenian Academy of Sciences), 2016, 51, no 4, 299-306
Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at √s=7 and 8 TeV
2016 | Article
Journal of High Energy Physics, 2016, 1608, 045, G. AadB. AbbottJ. Abdallah et. all (ATLAS and CMS Collaborations)
Արմեն Թումասյան , Vardan Khachatryan, Albert M Sirunyan
Search for the standard model Higgs boson produced through vector boson fusion and decaying to bb(bar)
2015 | Article
Phys. Rev. D, 2015, 92, 032008
Արմեն Թումասյան , V. Khachatryan, A.M. Sirunyan
Search for resonant pair production of Higgs bosons decaying to two bottom quark–antiquark pairs in proton–proton collisions at 8 TeV
2015 | Article
Physics Letters B, 2015, 749, 560-582
Արմեն Թումասյան , S. Chatrchyan, V. Khachatryan, A.M. Sirunyan
Measurement of the tt(bar) production cross section in pp collisions at with lepton + jets final states
2013 | Article
Physics Letters B, 2013, Volume 720, Issues 1–3, 83-104
Calibration of absolute jet energy scale in CMS detector using W → qq¯ process in pp-Collisions at √s=7 TeV
2012 | Article
Journal of Contemporary Physics (Armenian Academy of Sciences), 2012, 47, 153-160
Արմեն Թումասյան , Altsybeev I.G., Konoplyanikov V.F., Shmatov S.V., Tumasyan A.R., Zarubin A.V.
Systematic shifts in jet energy scale from the process W→qqbar in CMS detector
2012 | Article
Physics of Particles and Nuclei Letters, 2012, Volume 9, Issue 3, 259-267
Արմեն Թումասյան , S. Chatrchyan, V. Khachatryan, A.M. Sirunyan
Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
2012 | Article
Physics Letters B, 2012, 716, 30-61
Energy calibration of Hadron jets in the CMS (LHC) experiment with use of two-top-quark channel
2011 | Article
Journal of Contemporary Physics (Armenian Academy of Sciences), 2011, 46, 199
Արմեն Թումասյան , S. Chatrchyan, V. Khachatryan, A.M. Sirunyan
Measurement of the ttbar Production Cross Section in pp Collisions at 7 TeV in Lepton + Jets Events Using b-quark Jet Identification
2011 | Article
Physical Review D, 2011, 84, 092004