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Search for X(3872) and X(3915) decay into χc1π0 in B decays at Belle

V. Bhardwaj et al. (The Belle Collaboration)
Phys. Rev. D 99, 111101(R) – Published 12 June 2019

Abstract

We report a search for X(3872) and X(3915) in B+χc1π0K+ decays. We set an upper limit of B(B+X(3872)K+)×B(X(3872)χc1π0)<8.1×106 and B(B+X(3915)K+)×B(X(3915)χc1π0)<3.8×105 at 90% confidence level. We also measure B(X(3872)χc1π0)/B(X(3872)J/ψπ+π)<0.97 at 90% confidence level. The results reported here are obtained from 772×106BB¯ events collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e collider.

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  • Received 15 April 2019

DOI:https://doi.org/10.1103/PhysRevD.99.111101

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Accelerators & BeamsParticles & Fields

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Vol. 99, Iss. 11 — 1 June 2019

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