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Search for $B_c^+$ decays to the $p\bar p\pi^+$ final state


LHCb Collaboration; Bernet, R; Müller, K; Steinkampf, O; Straumann, U; Vollhardt, A; et al (2016). Search for $B_c^+$ decays to the $p\bar p\pi^+$ final state. Physics Letters B, 759:313-321.

Abstract

A search for the decays of the $B_c^+$ meson to $p\bar p\pi^+$ is performed for the first time using a data sample corresponding to an integrated luminosity of 3.0 $\mathrm{fb}^{-1}$ collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of $7$ and $8$ TeV. No signal is found and an upper limit, at 95\% confidence level, is set, $\frac{f_c}{f_u}\times\mathcal{B}(B_c^+\to p\bar p\pi^+) 3.6\times10^{-8}$ in the kinematic region $m(p\bar p) 2.85\mathrm{\,Ge\kern -0.1em V\!/}c^2$, $p_{\rm T}(B) 20\mathrm{\,Ge\kern -0.1em V\!/}c$ and $2.0 y(B) 4.5$, where $\mathcal{B}$ is the branching fraction and $f_c$ ($f_u$) is the fragmentation fraction of the $b$ quark into a $B_c^+$ ($B^+$) meson.

Abstract

A search for the decays of the $B_c^+$ meson to $p\bar p\pi^+$ is performed for the first time using a data sample corresponding to an integrated luminosity of 3.0 $\mathrm{fb}^{-1}$ collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of $7$ and $8$ TeV. No signal is found and an upper limit, at 95\% confidence level, is set, $\frac{f_c}{f_u}\times\mathcal{B}(B_c^+\to p\bar p\pi^+) 3.6\times10^{-8}$ in the kinematic region $m(p\bar p) 2.85\mathrm{\,Ge\kern -0.1em V\!/}c^2$, $p_{\rm T}(B) 20\mathrm{\,Ge\kern -0.1em V\!/}c$ and $2.0 y(B) 4.5$, where $\mathcal{B}$ is the branching fraction and $f_c$ ($f_u$) is the fragmentation fraction of the $b$ quark into a $B_c^+$ ($B^+$) meson.

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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2016
Deposited On:27 Dec 2016 12:20
Last Modified:02 Feb 2018 11:08
Publisher:Elsevier
ISSN:0370-2693
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/j.physletb.2016.05.074

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