Measurement of the branching ratio with the ATLAS detector
Journal Article
·
· Physics Letters B
An observation of the Λ0b → ψ(2S)Λ0 decay and a comparison of its branching fraction with that of the Λ0b → J/ψΛ0 decay has been made with the ATLAS detector in proton-proton collisions at √s = 8 TeVat the LHC using an integrated luminosity of 20.6fb–1. The J/ψ and ψ(2S) mesons are reconstructed in their decays to a muon pair, while the Λ0 → pπ– decay is exploited for the Λ0 baryon reconstruction. Furthermore, the Λ0b baryons are reconstructed with transverse momentum pT > 10 GeV and pseudorapidity |η| < 2.1.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- ATLAS Collaboration
- Grant/Contract Number:
- AC03-76SF00515; AC02-05CH11231
- OSTI ID:
- 1224109
- Alternate ID(s):
- OSTI ID: 1237482; OSTI ID: 1378697
- Journal Information:
- Physics Letters B, Journal Name: Physics Letters B Vol. 751 Journal Issue: C; ISSN 0370-2693
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- Netherlands
- Language:
- English
Cited by: 11 works
Citation information provided by
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Web of Science
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