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Search for a Structure in the B0sp± Invariant Mass Spectrum with the ATLAS Experiment

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journal contribution
posted on 2023-06-09, 13:28 authored by Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, C A Chavez Barajas, Antonella De SantoAntonella De Santo, Fabrizio SalvatoreFabrizio Salvatore, I Santoyo Castillo, K Suruliz, Mark SuttonMark Sutton, Iacopo Vivarelli, ATLAS Collaboration
A search for the narrow structure, Xð5568Þ, reported by the D0 Collaboration in the decay sequence X ? B0sp±, B0s?J=??, is presented. The analysis is based on a data sample recorded with the ATLAS detector at the LHC corresponding to 4.9 fb-1 of pp collisions at 7 TeV and 19.5 fb-1 at 8 TeV. No significant signal was found. Upper limits on the number of signal events, with properties corresponding to those reported by D0, and on the X production rate relative to B0s mesons, ?X, were determined at 95% confidence level. The results are N(X) < 382 and ?X < 0.015 for B0s mesons with transverse momenta above 10 GeV, and N(X) < 356 and ?X < 0.016 for transverse momenta above 15 GeV. Limits are also set for potential B0sp± resonances in the mass range 5550 to 5700 MeV.

Funding

ATLAS; G0275; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/I006048/1

History

Publication status

  • Published

File Version

  • Published version

Journal

Physical Review Letters

ISSN

0031-9007

Publisher

American Physical Society

Issue

20

Volume

120

Page range

202007

Department affiliated with

  • Physics and Astronomy Publications

Research groups affiliated with

  • Experimental Particle Physics Research Group Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2018-05-25

First Open Access (FOA) Date

2018-05-25

First Compliant Deposit (FCD) Date

2018-05-24

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