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Search for baryon and lepton number violation in J/ψ→Λc+e−+c.c
- Source :
- Physical Review D. 99
- Publication Year :
- 2019
- Publisher :
- American Physical Society (APS), 2019.
-
Abstract
- Using 1.31×109 J/ψ events collected by the BESIII detector at the Beijing Electron Positron Collider, we search for the process J/ψ→Λc+e-+c.c. for the first time. In this process, both baryon and lepton number conservation is violated. No signal is found and the upper limit on the branching fraction B(J/ψ→Λc+e-+c.c.) is set to be 6.9×10-8 at the 90% confidence level.
Details
- ISSN :
- 24700029 and 24700010
- Volume :
- 99
- Database :
- OpenAIRE
- Journal :
- Physical Review D
- Accession number :
- edsair.doi...........082d0e77185055fcb91660b0150d3786