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Lepton-neutron interaction and S-wave low-energy parameters

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Author(s):
Carbonell, Jaume ; Frederico, Tobias
Total Authors: 2
Document type: Journal article
Source: PHYSICAL REVIEW C; v. 109, n. 6, p. 15-pg., 2024-06-13.
Abstract

A lepton-neutron potential in configuration space is obtained. It is based on the Coulomb plus hyperfine interaction Hamiltonian integrated over the neutron charge and magnetic densities. Different parametrizations of the neutron electromagnetic form factors are compared. It is given in the operator form with central, spinspin, tensor, and spin-orbit terms. The potentials for lowest partial wave states are presented. We compute the lepton-neutron low-energy parameters for the S waves, estimate the zero-energy cross sections for higher angular momentum states, and point out a possible divergence in the partial wave summation due to the spin-orbit potential. (AU)

FAPESP's process: 19/07767-1 - Nuclear reactions with weakly-bound or cluster-structured radioactive and stable nuclei
Grantee:Leandro Romero Gasques
Support Opportunities: Research Projects - Thematic Grants
FAPESP's process: 22/10580-3 - Atomic effects in ultra low energy few-nucleon reactions
Grantee:Tobias Frederico
Support Opportunities: Research Grants - Visiting Researcher Grant - International
FAPESP's process: 17/05660-0 - Theoretical studies of the structure and reactions of exotic nuclei and many-body systems
Grantee:Brett Vern Carlson
Support Opportunities: Research Projects - Thematic Grants