Three-nucleon contact forces in the Jacobi partial-wave basis

Lin Zuo; Hao Yang; Bingwei Long

doi:10.1103/7s8m-vbz4

Three-nucleon contact forces in the Jacobi partial-wave basis

Lin Zuo ¹, Hao Yang ^1,*, and Bingwei Long ^1,2,†

¹College of Physics, Sichuan University, Chengdu 610065, Sichuan Province, China
²Southern Center for Nuclear-Science Theory (SCNT), Institute of Modern Physics, Chinese Academy of Sciences, Huizhou 516000, Guangdong Province, China

^*Contact author: yanghao2023@scu.edu.cn
^†Contact author: bingwei@scu.edu.cn

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Phys. Rev. C 113, 014002 – Published 9 January, 2026

DOI: https://doi.org/10.1103/7s8m-vbz4

Abstract

We construct the three-nucleon contact potentials in the Jacobi partial-wave basis. The potentials are built in the separable form as the products of the antisymmetrized three-nucleon states in which the nucleons are arbitrarily close to each other. We compile the three-nucleon contact potentials up to $O (Q^{2})$ . These contact potentials are by construction independent operators under exchanges of any nucleon pairs.

Physical Review C

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Three-nucleon contact forces in the Jacobi partial-wave basis

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Three-nucleon contact forces in the Jacobi partial-wave basis

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