Measurements of the branching fractions of $B^{+} \to p \bar p K^{+}$ decays
Creators: name: LHCb Collaboration
name: Aaij, R.
name: Beteta, C. Abellan
name: Adametz, A.
name: Adeva, B.
name: Adinolfi, M.
name: Adrover, C.
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name: Cartelle, P. Alvarez
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name: Gutierrez, O. Aquines
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name: Artuso, M.
name: Aslanides, E.
name: Auriemma, G.
name: Bachmann, S.
name: Back, J. J.
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name: Ben-Haim, E.
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name: Bencivenni, G.
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name: Bjørnstad, P. M.
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name: Borghi, S.
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name: Bowcock, T. J. V.
name: Bowen, E.
name: Bozzi, C.
name: Brambach, T.
name: Brand, J. van den
name: Bressieux, J.
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name: Brown, H.
name: Burducea, I.
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Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: The branching fractions of the decay $B^{+} \to p \bar p K^{+}$ for different intermediate states are measured using data, corresponding to an integrated luminosity of $1.0 fb^{-1}$, collected by the LHCb experiment. The total branching fraction, its charmless component $(M_{p\bar p} &lt;2.85 {GeV/}c^{2})$ and the branching fractions via the resonant $c\bar c$ states $η_{c}(1S)$ and $ψ(2S)$ relative to the decay via a $J/ψ$ intermediate state are {align*} \frac{{\mathcal B}(B^{+} \to p \bar p K^{+})_{total}}{{\mathcal B}(B^{+} \to J/ψK^{+} \to p \bar p K^{+})}=&amp; \, 4.91 \pm 0.19 \, {(\rm stat)} \pm 0.14 \, {(\rm syst)}, \frac{{\mathcal B}(B^{+} \to p \bar p K^{+})_{M_{p\bar p} &lt;2.85 {GeV/}c^{2}}}{{\mathcal B}(B^{+} \to J/ψK^{+} \to p \bar p K^{+})}=&amp; \, 2.02 \pm 0.10 \, {(\rm stat)}\pm 0.08 \, {(\rm syst)}, \frac{{\mathcal B} (B^{+} \to η_{c}(1S) K^{+} \to p \bar p K^{+})}{{\mathcal B}(B^{+} \to J/ψK^{+} \to p \bar p K^{+})} = &amp; \, 0.578 \pm 0.035 \, {(\rm stat)} \pm 0.027 \, {(\rm syst)}, \frac{{\mathcal B} (B^{+} \to ψ(2S) K^{+} \to p \bar p K^{+})}{{\mathcal B}(B^{+} \to J/ψK^{+} \to p \bar p K^{+})}=&amp; \, 0.080 \pm 0.012 \, {(\rm stat)} \pm 0.009 \, {(\rm syst)}. {align*} Upper limits on the $B^{+}$ branching fractions into the $η_{c}(2S)$ meson and into the charmonium-like states X(3872) and X(3915) are also obtained.
description: 14 pages, 5 figures