Tests of P-violation in neutron and nuclear beta decay

Severijns, N.

doi:10.1007/s10751-011-0291-y

Cited by 2 publications

(1 citation statement)

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“…Neutron decay has the potential to improve the best remaining nuclear limit on L T as provided by a measurement of the longitudinal polarization of positrons emitted by polarized 107 In nuclei (log f t = 5.6). 54,55 Limits from neutron decay are independent of nuclear structure. The stringent limit on L T in Ref.…”

Section: Left-handed S T Currentsmentioning

confidence: 99%

Impact of Neutron Decay Experiments on Non-Standard Model Physics

Konrad

Heil

Baeßler

et al. 2011

Physics Beyond the Standard Models of Particles, Cosmology and Astrophysics

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This paper gives a brief overview of the present and expected future limits on physics beyond the Standard Model (SM) from neutron beta decay, which is described by two parameters only within the SM. Since more than two observables are accessible, the problem is over-determined. Thus, precise measurements of correlations in neutron decay can be used to study the SM as well to search for evidence of possible extensions to it. Of particular interest in this context are the search for right-handed currents or for scalar and tensor interactions. Precision measurements of neutron decay observables address important open questions of particle physics and cosmology, and are generally complementary to direct searches for new physics beyond the SM in high-energy physics. Free neutron decay is therefore a very active field, with a number of new measurements underway worldwide. We present the impact of recent developments.

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Section: Left-handed S T Currentsmentioning

confidence: 99%