Search for the decay D s + → p p ¯ e + ν e

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doi:10.1103/PhysRevD.100.112008

Title: Search for the decay $D_{s}^{+} \to p \bar{p} e^{+} ν_{e}$

Journal Article · Tue Dec 24 00:00:00 EST 2019 · Physical Review. D.

DOI:https://doi.org/10.1103/PhysRevD.100.112008· OSTI ID:1580305

Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Amoroso, A.; An, Q.; Anita,; Bai, Y.; Bakina, O.; Ferroli, R. Baldini; Balossino, I.; Ban, Y.; Begzsuren, K.; Bennett, J. V.; Berger, N.; Bertani, M.; Bettoni, D.; Bianchi, F.; Biernat, J. more »

Using a $3.19 {fb}^{- 1}$ data sample collected at the $\sqrt{s} = 4.178 GeV$ with the BESIII detector, we search for the rare decay $D_{s}^{+} \to p \bar{p} e^{+} ν_{e}$ . No significant signal is observed, and an upper limit of $B (D_{s}^{+} \to p \bar{p} e^{+} ν_{e}) < 2.0 \times 10^{- 4}$ is set at the 90% confidence level. This measurement is useful input in understanding the baryonic transition of $D_{s}^{+}$ mesons.

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Research Organization:: Indiana Univ., Bloomington, IN (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States); Univ. of Hawaii, Honolulu, HI (United States); Univ. of Minnesota, Minneapolis, MN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Contributing Organization:: BESIII Collaboration

Grant/Contract Number:: FG02-05ER41374; SC0010118; SC0010504; SC0012069

OSTI ID:: 1580305

Alternate ID(s):: OSTI ID: 1593734

Journal Information:: Physical Review. D., Journal Name: Physical Review. D. Vol. 100 Journal Issue: 11; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 7 works

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