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Related papers: Precision Beta Decay as a Probe of New Physics

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Precision measurements in neutron beta decay serve to determine the coupling constants of beta decay and allow for several stringent tests of the standard model. This paper discusses the design and the expected performance of the Nab…

The search for neutrinoless double beta decay ($0\nu\beta\beta$) is one of the key experiments for determining unresolved properties of neutrinos. Experimental observation of $0\nu\beta\beta$ would provide a clear demonstration of the…

High Energy Physics - Experiment · Physics 2020-04-07 Yong-Hamb Kim

A method for the general analysis of the sensitivities of neutron beta-decay experiments to manifestations of possible deviations from the Standard model is proposed. In a consistent fashion, we take into account all known (radiative and…

Nuclear Theory · Physics 2014-11-18 V. Gudkov , G. L. Greene , J. R. Calarco

We review recent developments in double-beta decay, focusing on what can be learned about the three light neutrinos in future experiments. We examine the effects of uncertainties in already measured neutrino parameters and in calculated…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. R. Elliott , J. Engel

Precision measurements of neutron decay offer complementary access to particle physics at small distance scales or high energies. In particular they allow tests of the V-A structure of the weak interaction. Among many experimental…

High Energy Physics - Experiment · Physics 2007-05-23 Stephan Paul

The recent neutrino oscillation experimental results indicate that at least one neutrino has a mass greater than 50 meV. The next generation of double-beta decay experiments will very likely have a sensitivity to an effective Majorana…

Nuclear Experiment · Physics 2011-07-19 Steven R. Elliott

We analyze the cross section for inverse beta decay, focusing on the moderate energies (a few MeV to hundreds of MeV) relevant for reactor and supernova neutrinos. We discuss the updated evaluations of values and uncertainties in the cross…

High Energy Physics - Phenomenology · Physics 2025-02-25 Giulia Ricciardi , Natascia Vignaroli , Francesco Vissani

Bayesian modeling techniques enable sensitivity analyses that incorporate detailed expectations regarding future experiments. A model-based approach also allows one to evaluate inferences and predicted outcomes, by calibrating (or…

We review the current status of precision measurements in allowed nuclear beta decay, including neutron decay, with emphasis on their potential to look for new physics beyond the standard electroweak model. The experimental results are…

Nuclear Experiment · Physics 2008-11-26 N. Severijns , M. Beck , O. Naviliat-Cuncic

In this talk I review the New Physics reach of semileptonic beta decay experiments, and their interplay with LHC searches. Assuming the new particles are heavy enough we can use an Effective Field Theory approach to analyze the LHC…

High Energy Physics - Phenomenology · Physics 2015-06-11 Martín González-Alonso

The abBA collaboration proposes to conduct a comprehensive program of precise measurements of neutron $\beta$-decay coefficients $a$ (the correlation between the neutrino momentum and the decay electron momentum), $b$ (the electron energy…

High Energy Physics - Experiment · Physics 2007-05-23 E. Frlez

A new measurement of the neutron $\beta$-decay asymmetry $A_0$ has been carried out by the UCNA collaboration using polarized ultracold neutrons (UCN) from the solid deuterium UCN source at the Los Alamos Neutron Science Center (LANSCE).…

Neutrino physics is traversing an exciting period, after the important discovery that neutrinos are massive particles, that has implications from high-energy physics to cosmology. A new method for the production of intense and pure neutrino…

High Energy Physics - Phenomenology · Physics 2009-11-11 Cristina Volpe

The next generation of double-beta decay experiments have an excellent chance of providing data on the neutrino mass pattern. This presentation is a summary of what is currently known about the mass pattern and expectations from experiment.…

Nuclear Experiment · Physics 2015-06-26 Steven R. Elliott

The theoretical and experimental issues relevant to neutrinoless double-beta decay are reviewed. The impact that a direct observation of this exotic process would have on elementary particle physics, nuclear physics, astrophysics and…

Nuclear Experiment · Physics 2009-09-29 Frank T. Avignone , Steven R. Elliott , Jonathan Engel

The measurement of the beta asymmetry parameter in nuclear beta decay is a potentially very sensitive tool to search for non V-A components in the charge-changing weak interaction. To reach the required precision (percent level) all effects…

We consider the physics potential of CERN based neutrino oscillation experiments consisting of a Beta Beam (BB) and a Super Beam (SPL) sending neutrinos to MEMPHYS, a 440 kt water \v{C}erenkov detector at Frejus, at a distance of 130 km…

High Energy Physics - Phenomenology · Physics 2009-02-11 J. E. Campagne , M. Maltoni , M. Mezzetto , T. Schwetz

Decays of the neutral and long-lived $\eta$ and $\eta'$ mesons provide a unique, flavor-conserving laboratory to test low-energy Quantum Chromodynamics and search for new physics beyond the Standard Model. They have drawn world-wide…

High Energy Physics - Phenomenology · Physics 2022-01-05 Liping Gan , Bastian Kubis , Emilie Passemar , Sean Tulin

The precision of double-beta ($\beta\beta$) decay experimental half-lives and their uncertainties is reevaluated. A complementary analysis of the decay uncertainties indicates deficiencies due to small size of statistical samples, and…

Nuclear Experiment · Physics 2015-05-22 B. Pritychenko

With more intense sources of cold and ultracold neutrons becoming available and with improved experimental techniques being developed, determination of |Vud| from neutron beta decay with a similar precision to that from from superallowed…

Nuclear Experiment · Physics 2007-05-23 Takeyasu M. Ito