Publication

Search for the Leptonic Decay d+ →e+ Νe

Yunxuan Song
2025

Abstract

We search for the leptonic decay D+ -> e(+)nu(e) using an e(+)e(-) collision data sample with an integrated luminosity of 20.3 fb(-1) collected with the BESIII detector at a center-of-mass energy of 3.773 GeV. Significant signal is not observed, and an upper limit on the branching fraction of D+ -> e+ nu(e) is set as 9.7x10(-7), at a confidence level of 90%. Our upper limit is an order of magnitude smaller than the previous limit for this decay mode.

Official source

Graph Chat

Chat with Graph Search

Ask any question about EPFL courses, lectures, exercises, research, news, etc. or try the example questions below.

DISCLAIMER: The Graph Chatbot is not programmed to provide explicit or categorical answers to your questions. Rather, it transforms your questions into API requests that are distributed across the various IT services officially administered by EPFL. Its purpose is solely to collect and recommend relevant references to content that you can explore to help you answer your questions.

Search for the Leptonic Decay <i>d</i><sup>+</sup> →<i>e</i><sup>+</sup> Ν<sub>e</sub>

Chat with Graph Search

Study of Λb0 and Ξb0 Decays to Λh+h′- and Evidence for CP Violation in Λb0 → Λk+K- Decays

Search for bosons of an extended Higgs sector in b quark final states in proton-proton collisions at s = 13 TeV

The ALPHA-2 apparatus - facilitating experimentation with trapped antihydrogen