Journal article

### Observation of the decay Ξ−b→pK−K

Abstract:

Decays of the Ξ−b and Ω−b baryons to the charmless final states ph−h'−, where h(') denotes a kaon or pion, are searched for with the LHCb detector. The analysis is based on a sample of proton-proton collision data collected at center-of-mass energies √s=7 and 8 TeV, corresponding to an integrated luminosity of 3 fb^−1. The decay Ξ−b→pK−K− is observed with a significance of 8.7 standard deviations, and evidence at the level of 3.4 standard deviations is found for the Ξ−b→pK−π− decay. Results a...

Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

### Access Document

Files:
• (pdf, 331.1KB)
Publisher copy:
10.1103/PhysRevLett.118.071801

### Authors

More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
Role:
Author
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
118
Issue:
7
Pages:
071801
Publication date:
2017-02-28
Acceptance date:
2017-01-13
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pubs id:
pubs:715223
URN:
uri:10e850e6-e2f8-4bcf-9030-a4e971af2095
UUID:
uuid:10e850e6-e2f8-4bcf-9030-a4e971af2095
Local pid:
pubs:715223

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