Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.11851/9608
Title: | Search for the Standard Model Higgs Boson Produced in Association With Top Quarks and Decaying Into a B(b)overbar Pair in Pp Collisions at Root S=13 Tev With the Atlas Detector | Authors: | Aaboud, M. Aad, G. Abbott, B. Abdinov, O. Abeloos, B. Abidi, S. H. Adye, T. |
Keywords: | Plus Plus Symmetries Program Mass |
Publisher: | Amer Physical Soc | Abstract: | A search for the standard model Higgs boson produced in association with a top-quark pair, t(t)overbarH, is presented. The analysis uses 36.1 fb(-1) of pp collision data at root s = 13 TeV collected with the ATLAS detector at the Large Hadron Collider in 2015 and 2016. The search targets the H -> b(b)overbar decay mode. The selected events contain either one or two electrons or muons from the top-quark decays, and are then categorized according to the number of jets and how likely these are to contain b-hadrons. Multivariate techniques are used to discriminate between signal and background events, the latter being dominated by ft + jets production. For a Higgs boson mass of 125 GeV, the ratio of the measured t(t)overbarH signal cross-section to the standard model expectation is found to be mu = 0.84(-0.61)(+0.64). A value of mu greater than 2.0 is excluded at 95% confidence level (C.L.) while the expected upper limit is mu < 1.2 in the absence of a t(t)overbarH signal. | URI: | https://doi.org/10.1103/PhysRevD.97.072016 https://hdl.handle.net/20.500.11851/9608 |
ISSN: | 2470-0010 2470-0029 |
Appears in Collections: | Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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