Search for the decay J/ψ→γ+ invisible
0103 physical sciences
01 natural sciences
High Energy Physics - Experiment
DOI:
10.1103/physrevd.101.112005
Publication Date:
2020-06-16T22:12:52Z
AUTHORS (493)
ABSTRACT
We search for J/ψ radiative decays into a weakly interacting neutral particle, namely an invisible using the produced through process ψ(3686)→π+π−J/ψ in data sample of (448.1±2.9)×106 ψ(3686) collected by BESIII detector at BEPCII. No significant signal is observed. Using modified frequentist method, upper limits on branching fractions are set under different assumptions particle masses up to 1.2 GeV/c2. The limit corresponding with zero mass 7.0×10−7 90% confidence level.Received 13 March 2020Accepted 28 May 2020Corrected 24 June 2020DOI:https://doi.org/10.1103/PhysRevD.101.112005Published American Physical Society terms Creative Commons Attribution 4.0 International license. Further distribution this work must maintain attribution author(s) and published article’s title, journal citation, DOI. Funded SCOAP3.Published SocietyPhysics Subject Headings (PhySH)Research AreasExtensions Higgs sectorParticle dark matterSupersymmetric modelsWeakly massive particlesParticles & Fields
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