Search for the rare decay of $\psi(3686) \rightarrow \Lambda_c^+ \overline{p} e^+ e^- + c.c.$ at BESIII - INSPIRE

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Search for the rare decay of $\psi(3686) \rightarrow \Lambda_c^+ \overline{p} e^+ e^- + c.c.$ at BESIII

BESIII

Collaboration

Feb 12, 2018

7 pages

Published in:

Phys.Rev.D 97 (2018) 9, 091102

Published: May 5, 2018

e-Print:

1802.04057 [hep-ex]

DOI:

10.1103/PhysRevD.97.091102

PDG:

{{\mathit \psi}{(2S)}}

\rightarrow

{{\mathit \Lambda}_{{{c}}}^{+}}{{\overline{\mathit p}}}{{\mathit e}^{+}}{{\mathit e}^{-}}

Experiments:

BEPC-BES-III

View in:

ADS Abstract Service

reference search7 citations

Citations per year

Abstract: (APS)

Based on a data sample of (448.1±2.9)×106ψ(3686) decays collected with the BESIII experiment, a search for the flavor changing neutral current transition ψ(3686)→Λc+p¯e+e-+c.c. is performed for the first time. No signal candidates are observed and the upper limit on the branching fraction of ψ(3686)→Λc+p¯e+e- is determined to be 1.7×10-6 at the 90% confidence level. The result is consistent with expectations from the standard model, and no evidence for new physics is found.

Note:

6 pages, 2 figures. Accepted by PRD

electron positron: annihilation
electron positron: colliding beams
neutral current: flavor changing
BES
Beijing Stor
psi(3685): branching ratio: upper limit
new physics: search for
psi(3685): rare decay
experimental results
psi(3685) --> Lambda/c+ anti-p electron positron

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Figures(2)

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