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Search for Narrow Resonances in the b-Tagged Dijet Mass Spectrum in Proton-Proton Collisions at ?s=8??TeV

Abstract: A search for narrow resonances decaying to bottom quark-antiquark pairs is presented, using a data sample of proton-proton collisions at ?s=8??TeV corresponding to an integrated luminosity of 19.7??fb?1. The search is extended to masses lower than those reached in typical searches for resonances decaying into jet pairs at the LHC, by taking advantage of triggers that identify jets originating from bottom quarks. No significant excess of events is observed above the background predictions. Limits are set on the product of cross section and branching fraction to bottom quarks for spin 0, 1, and 2 resonances in the mass range of 325?1200 GeV. These results improve on the limits for resonances decaying into jet pairs in the 325?500 GeV mass range.

Other publications of the same journal or congress with authors from the University of Cantabria

 Fuente: Physical Review Letters, Vol. 120, Iss. 20, Art. Num. 201801 (2018)

 Publisher: American Physical Society

 Publication date: 14/05/2018

 No. of pages: 19

 Publication type: Article

 DOI: 10.1103/PhysRevLett.120.201801

 ISSN: 0031-9007,1079-7114

 Publication Url: https://doi.org/10.1103/PhysRevLett.120.201801