Trapped two-nucleon system in energy-dependent effective field theory

Trapped two-nucleon system in energy-dependent effective field theory
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能量相关有效场理论中的俘获双核子系统

DOI:
10.1103/physrevc.104.044001
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发表时间:
2021-07
期刊:
影响因子:
3.1
通讯作者:
Long Bingwei
Long Bingwei
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Li Chenbo;Yu Jiexin;Peng Rui;Lyu Songlin;Long Bingwei

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We discuss how to connect the energy levels of two-particle systems trapped by a harmonic-oscillator force to scattering amplitudes, with nucleon-nucleon scattering phase shifts in uncoupled channels as the application. At the center of the proposed framework is the energy-dependent effective field theory that aims to expand observables in a neighborhood around each reference energy, often taken to be one of the energy levels. We also investigate how to disentangle the trapping force at short distances and the intrinsic interaction between the particles. ∗Electronic address: songlin@scu.edu.cn †Electronic address: bingwei@scu.edu.cn 1 ar X iv :2 10 7. 12 27 3v 2 [ nu cl -t h] 8 O ct 2 02 1
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