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Search for resonances in the mass distribution of jet pairs with one or two jets identified as b-jets in proton–proton collisions at √s = 13 TeV with the ATLAS detector
Journal article   Open access   Peer reviewed

Search for resonances in the mass distribution of jet pairs with one or two jets identified as b-jets in proton–proton collisions at √s = 13 TeV with the ATLAS detector

M Aaboud, G Aad, B Abbott, J Abdallah, O Abdinov, B Abeloos, Torsten Åkesson, Simona Bocchetta, LENE Bryngemark, Caterina Doglioni, …
Physics letters. B, Vol.759, pp.229-246
2016
DOI: 10.1016/j.physletb.2016.05.064
url
https://doi.org/10.1016/j.physletb.2016.05.064View
Published (Version of record) Open Access

Abstract

Searches for high-mass resonances in the dijet invariant mass spectrum with one or two jets identified as b-jets are performed using an integrated luminosity of 3.2 fb−1 of proton–proton collisions with a centre-of-mass energy of s=13 TeV recorded by the ATLAS detector at the Large Hadron Collider. No evidence of anomalous phenomena is observed in the data, which are used to exclude, at 95% credibility level, excited b⁎ quarks with masses from 1.1 TeV to 2.1 TeV and leptophobic Z′ bosons with masses from 1.1 TeV to 1.5 TeV. Contributions of a Gaussian signal shape with effective cross sections ranging from approximately 0.4 to 0.001 pb are also excluded in the mass range 1.5–5.0 TeV.
Natural Sciences Physical Sciences Fysik Naturvetenskap Subatomic Physics Subatomär fysik

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