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# Search for the Radiative Leptonic Decay D+ → γe+νe

Submit Time: 2017-11-10
Author:
Institute: 1.BESIII Collaboration;

## Abstracts

 Using an electron-positron collision data sample of 2.93 fb collected at a center-of-mass energy of √s = 3.773 GeV with the BESIII detector, we present the ?rst search for the radiative leptonic decay D+ →+γe+νe.+ The analysis is performed with a double tag method. We do not+ observ+e a signi?cant 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 at the 90% con?dence level.
Recommended references： M. Ablikim[et al.].(2017).Search for the Radiative Leptonic Decay D+ → γe+νe.[ChinaXiv:201711.02278] (Click&Copy)
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