International Workshop on Baryon and Lepton Number Violation (BLV 2024)

Session

Lepton number violation in low energy processes

Oct 11, 2024, 9:25 AM

40. Review of Neutrinoless Double Beta-Decay Experiments (25'+5')

Julieta Gruszko (UNC Chapel Hill/TUNL)

10/11/24, 9:25 AM

41. Exploring neutrinoless double beta decay with the DARWIN observatory (17'+3')

Dr Jose Cuenca Garcia (University of Zurich)

10/11/24, 9:55 AM

42. Neutrinoless double-beta decay phenomenology (17'+3')

Jing-Yu Zhu

10/11/24, 10:15 AM

15. Lepton Number Violation and Neutrino Masses in $N_R$SMEFT (17'+3')

Rebeca Beltrán (IFIC - University of Valencia and CSIC (Spain))

10/11/24, 11:05 AM

In this talk, we discuss tree-level UV completions for dimension 6 and 7 operators in the Standard Model Effective Field Theory extended with right-handed neutrinos ($N_R$SMEFT). We reveal that every model generating lepton number violating (LNV) operators with right-handed neutrinos also leads to the formation of active neutrino masses. This intrinsic connection between LNV processes and the...

17. Hunting for Two Right-Handed Neutrinos at Low Scales (17'+3')

Vaisakh Plakkot

10/11/24, 11:25 AM

The addition of two gauge singlet right-handed neutrinos to the Standard Model is a minimal extension that can potentially solve multiple open questions at once, including the observed neutrino masses via the Type-I seesaw mechanism, and the baryon asymmetry of the universe via leptogenesis. We show that combining the constraints from low-scale leptogenesis and the current non-observation of...

20. Searching for LNV in Rare Meson Decays (17'+3')

Martin Mojahed (JGU/ TUM)

10/11/24, 11:45 AM

We investigate the possibility of disentangling different new physics contributions to the rare meson decays $K\rightarrow\pi+$invisible and $B\rightarrow K(K^*)+$invisible through kinematic distributions in the missing invariant mass squared. We employ dimension-$6$ operators within the Low-Energy Effective Field Theory (LEFT), identifying the invisible part of the final state as either...

43. LNV in SMEFT (20'+5')

Prof. Julia Harz

7. Unraveling the Lepton Number Violation in the EFT and Beyond (17'+3')

Lukas Graf (Nikhef)

The new particle physics underlying any potential lepton-number-violating signal can be parametrized within the framework of effective field theory in terms of a set of higher-dimensional operators triggering a variety of distinct mechanisms for neutrinoless double beta decay (0vbb). While it appears to be challenging to unravel the dominant source of lepton number violation from the...