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Search for the radiative leptonic decay D+ →γe+νe

  • M. Ablikim
  • , M. N. Achasov
  • , S. Ahmed
  • , X. C. Ai
  • , O. Albayrak
  • , M. Albrecht
  • , D. J. Ambrose
  • , A. Amoroso
  • , F. F. An
  • , Q. An
  • , J. Z. Bai
  • , O. Bakina
  • , R. Baldini Ferroli
  • , Y. Ban
  • , D. W. Bennett
  • , J. V. Bennett
  • , N. Berger
  • , M. Bertani
  • , D. Bettoni
  • , J. M. Bian
  • F. Bianchi, E. Boger, I. Boyko, R. A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G. F. Cao, S. A. Cetin, J. Chai, J. F. Chang, G. Chelkov, G. Chen, H. S. Chen, J. C. Chen, M. L. Chen, S. Chen, S. J. Chen, X. Chen, X. R. Chen, Y. B. Chen, X. K. Chu, G. Cibinetto, H. L. Dai, J. P. Dai, A. Dbeyssi, D. Dedovich, H. Muramatsu, R. Poling, (BESIII Collaboration)

Research output: Contribution to journalArticlepeer-review

Abstract

Using an electron-positron collision data sample of 2.93 fb-1 collected at a center-of-mass energy of s=3.773 GeV with the BESIII detector, we present the first search for the radiative leptonic decay D+→γe+νe. The analysis is performed with a double-tag method. We do not observe a significant D+→γe+νe signal, and obtain an upper limit on the branching fraction of D+→γe+νe decay with the energy of radiative photon larger than 10 MeV of 3.0×10-5 at the 90% confidence level.

Original languageEnglish (US)
Article number071102
JournalPhysical Review D
Volume95
Issue number7
DOIs
StatePublished - Apr 1 2017

Bibliographical note

Publisher Copyright:
© 2017 American Physical Society.

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