Search for the rare decays J/ψ→D0e+e-+c.c. and ψ(3686)→D0e+e-+c.c.

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doi:10.1103/PhysRevD.96.111101

Title: Search for the rare decays $J / ψ \to D^{0} e^{+} e^{-} + c . c .$ and $ψ (3686) \to D^{0} e^{+} e^{-} + c . c .$

Journal Article · Fri Dec 01 00:00:00 EST 2017 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.96.111101· OSTI ID:1440858

Ablikim, M.; Achasov, M. N.; Ahmed, S.; Albrecht, M.; Amoroso, A.; An, F. F.; An, Q.; Bai, J. Z.; Bakina, O.; Baldini Ferroli, R.; Ban, Y.; Bennett, D. W.; Bennett, J. V.; Berger, N.; Bertani, M.; Bettoni, D.; Bian, J. M.; Bianchi, F.; Boger, E.; Boyko, I. more »

Using the data samples of (1310.6 ± 7.2) × 10⁶ J / ψ events and (448.1 ± 2.9) × 106 (3686) events collected with the BESIII detector, we search for the rare decays J / ψ → D ⁰e ⁺e ^- + c.c. and (3686) → D ⁰e ⁺e ^- + c.c.. No significant signals are observed and the corresponding upper limits on the branching fractions at the 90% confidence level are determined to be B( J / ψ → D0e+e- + c.c.) < 8.5 × 10 ^-8 and B( (3686) → D0e+e- + c.c.) < 1.4 × 10 ^-7, respectively. Our limit on B( J / ψ → D ⁰e ⁺e ^- + c.c.) is more stringent by two orders of magnitude than the previous results, and the B( (3686) → D ⁰e ⁺e ^- + c.c.) is measured for the first time.

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Research Organization:: George Washington Univ., Washington, DC (United States)

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

Contributing Organization:: BESIII Collaboration

Grant/Contract Number:: SC0016583; FG02-05ER41374; SC-0010118; SC-0010504; SC-0012069

OSTI ID:: 1440858

Alternate ID(s):: OSTI ID: 1411487

Journal Information:: Physical Review D, Vol. 96, 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: 3 works

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