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

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, B Abeloos, DK Abhayasinghe, S.H. Abidi, Ossama Sherif Alexander Abouzeid, NL Abraham, H. Abramowicz, H. Abreu, Y. Abulaiti, B.S. Acharya, Shin-ichi Adachi, L. Adamczyk, J. Adelman, M. Adersberger, A. Adiguzel, T. Adye, A. A. AffolderY. Afik, C. Agheorghiesei, Geert-Jan Besjes, Milena Bajic, Alejandro Alonso Diaz, Flavia de Almeida Dias, Mogens Dam, Jørgen Beck Hansen, Jørn Dines Hansen, Peter Henrik Hansen, Graig Wiglesworth, Gorm Aske Gram Krohn Galster, James William Monk, Troels Christian Petersen, Fabian Alexander Jürgen Thiele, Simon Holm Stark, Stefania Xella

31 Citations (Scopus)
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Abstract

A search for new resonances decaying into jets containing b-hadrons in pp collisions with the ATLAS detector at the LHC is presented in the dijet mass range from 0.57 to 7 TeV. The data set corresponds to an integrated luminosity of up to 36.1 fb-1 collected in 2015 and 2016 at s=13 TeV. No evidence of a significant excess of events above the smooth background shape is found. Upper cross-section limits and lower limits on the corresponding signal mass parameters for several types of signal hypotheses are provided at 95% C.L. In addition, 95% C.L. upper limits are set on the cross sections for new processes that would produce Gaussian-shaped signals in the di-b-jet mass distributions.

Original languageEnglish
Article number032016
JournalPhysical Review D
Volume98
Issue number3
Number of pages24
ISSN2470-0010
DOIs
Publication statusPublished - 1 Aug 2018

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