co-Conveners: Pavel Fileviez Perez (Case Western Reserve Univ.), Andrea Pocar (University of Massachusetts-Amherst)

This Topical Group will address the following topics:

1. Theories for baryon and lepton number violation: P. Fileviez Perez (CWRU), M.B. Wise (Caltech)
2. Neutrinoless double beta decays: V. Cirigliano (LANL), A. Pocar (UMass)
3. Baryon and Lepton number violation at colliders: R. Ruiz (Cracow, INP), E. Thomson (UPenn)
4. Proton decay: E. Kearns (Boston Univ.), S. Raby (Ohio State Univ.)
5. n-nbar oscillations: K. Babu (OSU), L. Broussard (ORNL)
6. More exotic L and B violating processes: S. Gardner(Univ. of Kentucky), J. Heeck (Univ. of Virginia)
7. Connections to Cosmology: A. Long (Rice Univ.), C. Wagner (Univ. of Chicago/ANL)

- RF4 Final Report: </color> https://arxiv.org/pdf/2208.00010.pdf Activities: BLV circa 2020, July 6-8, 2020. Virtual Workshop hosted by the Physics Department at Case Western Reserve University. For details see: https://artsci.case.edu/blv2020/ For the talks see: July 6, 2020: https://indico.fnal.gov/event/44268/ July 7, 2020: https://indico.fnal.gov/event/44269/ July 8, 2020: https://indico.fnal.gov/event/44270/ ACFI Workshop, August 3, 2020, University of Massachusetts Amherst, Theoretical Innovations for Future Experiments Regarding Baryon Number Violation by Two Units Bold Text https://indico.fnal.gov/event/44472/ ACFI/Snowmass workshop on “Neutrino-less Double Beta Decay Beyond Tonne-Scale” December 9-11, 2020 (noon-4 pm ET each day) https://indico.fnal.gov/event/46424/ ===== Submitted LOI ===== Here is the list of submitted LOIs to this topic. First index before “/” corresponds to the primary frontier used for the submission.