In:
Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2013, No. 11 ( 2013-11)
Kurzfassung:
The decay $ B_c^{+} $ → J/ψK + K − π + is observed for the first time, using protonproton collisions collected with the LHCb detector corresponding to an integrated luminosity of 3 fb −1 . A signal yield of 78 ± 14 decays is reported with a significance of 6.2 standard deviations. The ratio of the branching fraction of $ B_c^{+} $ → J/ψK + K − π + decays to that of $ B_c^{+} $ → J/ψπ + decays is measured to be 0 . 53 ± 0 . 10 ± 0 . 05, where the first uncertainty is statistical and the second is systematic.
Materialart:
Online-Ressource
ISSN:
1029-8479
DOI:
10.1007/JHEP11(2013)094
Sprache:
Englisch
Verlag:
Springer Science and Business Media LLC
Publikationsdatum:
2013
ZDB Id:
2027350-2