Baryon and Lepton Numbers in the Standard Model and Beyond
A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".
Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 680
Special Issue Editor
Special Issue Information
Dear Colleagues,
In the standard model of particle physics, baryon number (B) and lepton number (L) represent accidental global symmetries violated only by non-perturbative weak effects, and the combination B - L is exactly conserved. The exact conservation of B and L has been questioned since there is no evidence that they are fundamental. In some theories on physics beyond the standard model, B or (and) L are violated, though constrained by the stability of matter. In fact, the breaking of B and L symmetries would have deep impacts on our understanding of nature, for example, the origin of matter and anti-matter asymmetry and neutrino mass. This Special Issue will include publications on experiments, phenomenology, and theory related to B and L symmetries in particle physics.
Dr. Yanjun Tu
Guest Editor
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Keywords
- baryon number
- lepton number
- symmetry
- the standard model
- new physics
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