Search for New Physics with Neutrinoless Double Beta Decay

Abstract

Neutrinoless double beta decay ($0\nu \beta \beta$) is one of the most sensitive approaches to test particle physics beyond the standard model. During the last years, besides the most restrictive limit on the effective Majorana neutrino mass, the analysis of new contributions by the Heidelberg group led to bounds on left-right-symmetric models, leptoquarks and R-parity violating models competitive to recent accelerator limits, which are of special interest in view of the HERA anomaly at large $Q^2$ and $x$. These new results deduced from the Heidelberg-Moscow double beta decay experiment are reviewed. Also an outlook on the future of double beta decay, the GENIUS proposal, is given.

Based on talks presented at the Int. Europhysics Conference on High-Energy Physics, Jerusalem, August 19-26, 1997 and TAUP97, Gran Sasso, Sept. 7-11 1997, 4 pages, Latex, 1 figure, requires espcrc2.sty

References in corpus (22)

• Lepton Mass Hierarchy and Neutrino Oscillations
• Neutrino Masses and Mixing Angles in SUSY-GUT Theories with explicit R-Parity Breaking
• Supersymmetry and Neutrinoless Double Beta Decay
• Double beta decay in left-right symmetric models
• Comparison of ZEUS Data with Standard Model Predictions for e^+ p -> e^+ X Scattering at High x and Q^2
• Observation of Events at Very High Q^2 in ep Collisions at HERA
• Pair production of scalar leptoquarks at the Tevatron
• Neutrinoless Double Beta Decay and the Solar Neutrino Problem
• B-L-violating Masses in Softly Broken Supersymmetry
• New Low-energy Leptoquark Interactions
• An SO(10)XS-4 Scenario for Naturally Degenerate Neutrinos
• Large $R$-parity Violating Couplings and Grand Unification
• On the observability of Majoron emitting double beta decays
• New Leptoquark Mechanism of Neutrinoless Double Beta Decay
• On the SUSY Accompanied Neutrino Exchange Mechanism of Neutrinoless Double Beta Decay
• SO(10) grand unification model for degenerate neutrino masses
• New Supersymmetric Contributions to Neutrinoless Double Beta Decay.
• Leptoquark/Squark Interpretation of HERA Events: Virtual Effects in e+e- Annihilation to Hadrons
• Almost Degenerate Neutrinos with Maximal Mixing
• GUTs with Exclusively Delta-B=1, Delta-L=0 R-Parity Violation
• Bounds on new Majoron models from the Heidelberg-Moscow-Experiment
• R-parity violation in superstring derived models

Cited by in corpus (1)

• In Quest of Neutrino Masses at $\mathcal{O}$(eV) Scale