Search for the rare decays D -> h(h((')))e(+) e(-)
AuthorKolcu, Onur Buğra
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CitationKolcu O B, Ahmed S, Albrecht M, Bai J Z, Bakina O, Search for the rare decays D -> h(h((')))e(+) e(-). Physical Review D. 2018; 97 (7): 1-10.
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 root 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.