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Sandor Czellar

Researcher at ATOMKI

Publications -  1401
Citations -  100291

Sandor Czellar is an academic researcher from ATOMKI. The author has contributed to research in topics: Large Hadron Collider & Lepton. The author has an hindex of 133, co-authored 1263 publications receiving 91049 citations. Previous affiliations of Sandor Czellar include HEC Paris & University of Lausanne.

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Journal ArticleDOI

Search for dark matter produced in association with a Higgs boson decaying to γγ or τ +τ − at s√=13 TeV

Albert M. Sirunyan, +2361 more
- 10 Sep 2018 - 
TL;DR: In this paper, a search for dark matter particles was performed by looking for events with large transverse momentum imbalance and a recoiling Higgs boson decaying to either a pair of photons or two τ leptons.
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Angular analysis of the decay B$^+$ $\to$ K$^*$(892)$^+\mu^+\mu^-$ in proton-proton collisions at $\sqrt{s} =$ 8 TeV

Robin Erbacher, +2330 more
- 01 Jan 2020 - 
TL;DR: In this paper, the authors studied the angular distribution of the decay B$+}$→ K$ ∗}$(892)$(8 TeV) collisions at the LHC and determined the forward-backward asymmetry of the muons and the longitudinal polarization of the meson as a function of the dimuon invariant mass.
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Observation of the χb1 (3P) and χb2 (3P) and Measurement of their Masses

Albert M. Sirunyan, +2353 more
- 29 Aug 2018 - 
TL;DR: This is the first time that the J=1 and 2 states are well resolved and their masses individually measured, and they are determined with respect to the world-average value of the ϒ(3S) mass, which has an uncertainty of 0.5 MeV.
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Measurement of the underlying event activity in inclusive Z boson production in proton-proton collisions at √s=13 TeV

Albert M. Sirunyan, +2330 more
- 05 Jul 2018 - 
TL;DR: In this paper, a measurement of the underlying event activity in proton-proton collisions at a center-of-mass energy of 13 TeV was performed using Z boson production events collected with the CMS experiment at the LHC.
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Search for new physics with dijet angular distributions in proton-proton collisions at √s=13 TeV

Albert M. Sirunyan, +2304 more
- 05 Jul 2017 - 
TL;DR: In this article, a search for extra spatial dimensions, quantum black holes, and quark contact interactions in measurements of dijet angular distributions in proton-proton collisions at root S = 13TeV is presented.