On Bound-State beta^- Decay Rate of the Free Neutron
M. Faber, A. N. Ivanov, V. A. Ivanova, J. Marton, M. Pitschmann, N. I., Troitskaya, M. Wellenzohn
TL;DR
This paper calculates the bound-state beta^- decay rate of free neutrons, revealing that nearly all hydrogen atoms produced are in a specific hyperfine state with zero orbital and atomic angular momentum.
Contribution
The study provides the first detailed calculation of the bound-state beta^- decay rate of free neutrons and characterizes the hyperfine state distribution of the resulting hydrogen.
Findings
Hydrogen in the decay is produced with about 99% probability in the hyperfine state F=0.
The decay predominantly results in hydrogen with zero orbital angular momentum.
The calculated decay rate offers new insights into neutron decay processes.
Abstract
We calculate the bound-state beta^- decay rate of the free neutron. We show that hydrogen in the final state of the decay is produced with a probability of about 99% in the hyperfine state with zero orbital l = 0 and atomic angular momentum F = 0.
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Taxonomy
TopicsAtomic and Subatomic Physics Research · Quantum, superfluid, helium dynamics · Cold Atom Physics and Bose-Einstein Condensates