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Search for the rare decays D →h (h (′))e+e-

  • (BESIII Collaboration)

Research output: Contribution to journalArticlepeer-review

Abstract

We search for rare decays of D mesons to hadrons accompanied by an electron-positron pair (h(h(′))e+e-), using an e+e- collision sample corresponding to an integrated luminosity of 2.93 fb-1 collected with the BESIII detector at s=3.773 GeV. No significant signals are observed, and the corresponding upper limits on the branching fractions at the 90% confidence level are determined. The sensitivities of the results are at the level of 10-5-10-6, providing a large improvement over previous searches.

Original languageEnglish
Article number074014
JournalPhysical Review D
Volume97
Issue number7
DOIs
Publication statusPublished - 1 Apr 2018
Externally publishedYes

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