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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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Search for third-generation scalar leptoquarks decaying to a top quark and a $\tau$ lepton at $\sqrt{s}=$ 13 TeV

Albert M. Sirunyan, +2287 more
- 08 Mar 2018 - 
TL;DR: These results provide the most stringent limits to date on the production of scalar LQs that decay to a top quark and a τ lepton at 95% confidence level.
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Search in leptonic channels for heavy resonances decaying to long-lived neutral particles

S. Chatrchyan, +2263 more
- 14 Feb 2013 - 
TL;DR: In this article, a search is performed for heavy resonances decaying to two long-lived massive neutral particles, each decaying to leptons, and an upper limit is set with 95% confidence level on the production cross section times the branching fraction to lepton.
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Measurement of Wγ and Zγ production in pp collisions at s=7 TeV

S. Chatrchyan, +2167 more
- 27 Jul 2011 - 
TL;DR: In this article, the first limits on anomalous WW gamma, ZZ gamma, and Z gamma gamma trilinear gauge couplings at 7 TeV were set, in agreement with standard model predictions.
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Search for physics beyond the standard model in events with two leptons of same sign, missing transverse momentum, and jets in proton–proton collisions at √s=13TeV

Albert M. Sirunyan, +2204 more
- 01 Sep 2017 - 
TL;DR: In this paper, a data sample of events from proton-proton collisions with two isolated same-sign leptons, missing transverse momentum, and jets is studied in a search for signatures of new physics phenomena.
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Measurement of the weak mixing angle using the forward-backward asymmetry of Drell-Yan events in pp collisions at 8 TeV.

Albert M. Sirunyan, +2260 more
- 01 Sep 2018 - 
TL;DR: With more events and new analysis techniques, including constraints obtained on the parton distribution functions from the measured forward–backward asymmetry, the statistical and systematic uncertainties are significantly reduced relative to previous CMS measurements.