Symmetry violations in nuclear and neutron $\beta$ decay

Abstract

The role of $\beta$ decay as a low-energy probe of physics beyond the Standard Model is reviewed. Traditional searches for deviations from the Standard Model structure of the weak interaction in $\beta$ decay are discussed in the light of constraints from the LHC and the neutrino mass. Limits on the violation of time-reversal symmetry in $\beta$ decay are compared to the strong constraints from electric dipole moments. Novel searches for Lorentz symmetry breaking in the weak interaction in $\beta$ decay are also included, where we discuss the unique sensitivity of $\beta$ decay to test Lorentz invariance. We end with a roadmap for future $\beta$-decay experiments.

Accepted for publication in Rev. Mod. Phys. 86 pages, 13 figures

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Cited by in corpus (40)

• New physics searches in nuclear and neutron $\beta$ decay
• Measurement of the Weak Axial-Vector Coupling Constant in the Decay of Free Neutrons Using a Pulsed Cold Neutron Beam
• Right-handed charged currents in the era of the Large Hadron Collider
• High precision analytical description of the allowed $\beta$ spectrum shape
• Comprehensive analysis of beta decays within and beyond the Standard Model
• An ${\epsilon }^{\prime }$ improvement from right-handed currents
• Improved determination of the $\beta$-${\overline{\nu }}_e$ angular correlation coefficient $a$ in free neutron decay with the $a$SPECT spectrometer
• Searching for New Physics in Two-Neutrino Double Beta Decay
• Particle Physics at the European Spallation Source
• A low-energy perspective on the minimal left-right symmetric model
• General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM
• Kinematic sensitivity to the Fierz term of $\beta$-decay differential spectra
• Precise Measurements of the Decay of Free Neutrons
• Direct Neutrino Mass Experiments and Exotic Charged Current Interactions
• Limit on the Fierz Interference Term b from a Measurement of the Beta Asymmetry in Neutron Decay
• $\mathcal{F}t$ values of the mirror $\beta$ transitions and the weak magnetism induced current in allowed nuclear $\beta$ decay
• Tests of Lorentz and CPT symmetry with hadrons and nuclei
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• The MORA project
• Question of Lorentz invariance in muon decay
• Sterile neutrinos with non-standard interactions in $\beta$- and $0\nu \beta \beta$-decay experiments
• Detection System for Neutron $\beta$ Decay Correlations in the UCNB and Nab experiments
• Constraints on subleading interactions in beta decay Lagrangian
• Testing Lorentz-symmetry violation via electroweak decays
• Lorentz-violating contributions to the nuclear Schiff moment and nuclear EDM
• Multipole decomposition of tensor interactions of fermionic probes with composite particles and BSM signatures in nuclear reactions
• Right-Handed Neutrinos and T-Violating, P-Conserving Interactions
• ${\bar{\nu }}_{\mu }$ induced quasielastic production of hyperons leading to pions
• Influence of the recoil-order and radiative correction on the beta decay correlation coefficients in mirror decays
• Constraining dimension-six nonminimal Lorentz-violating electron-nucleon interactions with EDM physics
• A new angle on an old problem: Helicity approach to neutron beta decay in the Standard Model
• Test of Lorentz invariance in $\beta$ decay of polarized ${}^{20}\text{Na}$
• Precision pulse shape simulation for proton detection at the Nab experiment
• Neutrino recoil force in electron-capture decay of polarized nuclei: measurement prospects and potential applications
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• Dalitz Plot Kinematics for a Lorentz-Violating Three-Body Decay
• Dalitz Plot Kinematics for a Lorentz-Violating Three-Body Decay
• A new measurement of electron transverse polarization in polarized nuclear beta decay