Polarized Neutron $\beta$-Decay: the Proton Asymmetry and Recoil-Order Currents

Abstract

We present an analytic, recoil-order calculation of the proton asymmetry from polarized neutron $\beta$-decay. The differential decay rate in terms of electron energy and proton direction follows, parametrized in terms of the most general Lorentz-invariant hadron current coupled to a left-handed lepton current. Implications for experimental efforts to measure recoil-order currents are discussed.

The new version includes an erratum that corrects the result

References in corpus (2)

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• Sharpening Low-Energy, Standard-Model Tests via Correlation Coefficients in Neutron Beta-Decay

Cited by in corpus (4)

• Probing Novel Scalar and Tensor Interactions from (Ultra)Cold Neutrons to the LHC
• Neutron Beta-Decay as Laboratory for Test of Standard Model
• Measurement of the Proton Asymmetry Parameter C in Neutron Beta Decay
• Asymmetry of recoil protons in neutron beta-decay