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

(BESIII Collaboration)

Research output: Contribution to journalArticle

4 Citations (Scopus)

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 (US)
Article number074014
JournalPhysical Review D
Volume97
Issue number7
DOIs
StatePublished - Apr 1 2018

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electron-positron pairs
decay
hadrons
confidence
mesons
luminosity
collisions
sensitivity
detectors

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Search for the rare decays D →h (h (′))e+e-. / (BESIII Collaboration).

In: Physical Review D, Vol. 97, No. 7, 074014, 01.04.2018.

Research output: Contribution to journalArticle

(BESIII Collaboration). / Search for the rare decays D →h (h (′))e+e-. In: Physical Review D. 2018 ; Vol. 97, No. 7.
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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.",
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AU - Bertani, M.

AU - Bettoni, D.

AU - Bianchi, F.

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AU - Briere, R. A.

AU - Cai, H.

AU - Cai, X.

AU - Cakir, O.

AU - Calcaterra, A.

AU - Cao, G. F.

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AU - Chelkov, G.

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AU - Chen, M. L.

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AU - Chen, S. J.

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AU - Chu, X. K.

AU - Cibinetto, G.

AU - Cossio, F.

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AU - Dai, J. P.

AU - Dbeyssi, A.

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