@Article{LHCbCollaborationAaij_etal2024,
author="LHCb Collaboration (Aaij, R. et al
and Jaimes Elles, S. J.
and Jashal, B. K.
and Martinez-Vidal, F.
and Oyanguren, A.
and Rebollo De Miguel, M.
and Sanderswood, I.
and Zhuo, J.",
title="Study of Bc+ {\textrightarrow} $\chi$c $\pi$+ decays",
journal="Journal of High Energy Physics",
year="2024",
publisher="Springer",
volume="02",
number="2",
pages="173--30pp",
optkeywords="B Physics; Branching fraction; Hadron-Hadron Scattering",
abstract="A study of B-c(+) -> chi(c) pi(+) decays is reported using proton-proton collision data, collected with the LHCb detector at centre-of-mass energies of 7, 8, and 13TeV, corresponding to an integrated luminosity of 9 fb(-1). The decay B-c(+) -> chi(c2)pi(+) is observed for the first time, with a significance exceeding seven standard deviations. The relative branching fraction with respect to the B-c(+) -> J/psi pi(+) decay is measured to be BBc+ ->chi c2 pi+/BBc+ -> (J/psi pi+) = 0.37 +/- 0.06 +/- 0.02 +/- 0.01, where the first uncertainty is statistical, the second is systematic, and the third is due to the knowledge of the chi(c2) -> J/psi gamma branching fraction. No significant B-c(+) -> chi(+)(c1 pi) signal is observed and an upper limit for the relative branching fraction for the B-c(+) -> chi(c1)pi(+) and B-c(+) -> chi(c2)pi(+) decays of BBc+ ->chi c1 pi+/BBc+ -> chi(c2)pi(+) < 0.49 is set at the 90{\%} confidence level.",
optnote="WOS:001183170300001",
optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=6044), last updated on Sun, 14 Apr 2024 09:39:45 +0000",
issn="1029-8479",
doi="10.1007/JHEP02(2024)173",
opturl="https://doi.org/10.1007/JHEP02(2024)173",
language="English"
}