Observation of the decay B s 0 → η c ϕ and evidence for B s 0 → η c π + π −
Name
Aaij2017_Article_ObservationOfTheDecayBs0ΗcΦAnd.pdf
Size
1.09 MB
Format
Unknown
Checksum (MD5)
c5a41a829cc0964bcabba18e3e3a0d81
Author(s)
The LHCb Collaboration
Boettcher, Thomas Julian
Ilten, Philip J
Williams, Michael
Date Issued
July 2017
Journal
Journal of High Energy Physics
Citation
Aaij, R., B. Adeva, M. Adinolfi, Z. Ajaltouni, S. Akar, J. Albrecht, et al. “Observation of the Decay B
s
0
→ η
c
ϕ and Evidence for B
s
0
→ η
c
π
+
π
−
.” Journal of High Energy Physics 2017, no. 7 (July 2017). doi:10.1007/jhep07(2017)021.
Version
Final published version
Abstract
© 2017, The Author(s). A study of Bs0→ ηcϕ and Bs0→ ηcπ+π−decays is performed using pp collision data corresponding to an integrated luminosity of 3.0 fb−1, collected with the LHCb detector in Run 1 of the LHC. The observation of the decay Bs0→ ηcϕ is reported, where the ηcmeson is reconstructed in the pp¯ , K+K−π+π−, π+π−π+π−and K+K−K+K−decay modes and the ϕ(1020) in the K+K−decay mode. The decay Bs0→ J/ψϕ is used as a normalisation channel. Evidence is also reported for the decay Bs0→ ηcπ+π−, where the ηcmeson is reconstructed in the pp¯ decay mode, using the decay Bs0→ J/ψπ+π−as a normalisation channel. The measured branching fractions are(Formula Presented.)where in each case the first uncertainty is statistical, the second systematic and the third uncertainty is due to the limited knowledge of the external branching fractions.[Figure not available: see fulltext.].
MIT Department
Massachusetts Institute of Technology. Department of Physics
Terms of Use
Creative Commons Attribution 4.0 International license
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1007/JHEP07(2017)021
