On the neutron lifetime anomaly

Paolo Cea

On the neutron lifetime anomaly

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arxiv 2104.07265 v2 pith:3JKJP2VD submitted 2021-04-15 physics.gen-ph

Paolo Cea This is my paper · ORCID

classification physics.gen-ph

keywords lifetimeanomalyneutronneutronstrappedultracoldcasimirchecked

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We suggest that the neutron lifetime anomaly can be resolved by invoking the Casimir effect for trapped ultracold neutrons. Our proposal can be checked experimentally by precise lifetime measurements of trapped ultracold neutrons with different trapping volumes.

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Particles in finite volumes and a toy model of decaying neutrons
hep-ph 2025-04 reject novelty 4.0 of 10

A toy scalar model of neutron decay suggests finite-volume effects and initial neutron-daughter correlations can shift the predicted neutron lifetime to about 887 seconds, but the agreement is obtained by tuning a parameter.

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