Mass splitting and spin alignment for φ mesons in a magnetic field in NJL model

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成果类型：

期刊论文

作者：

Sheng, Xin-Li;Yang, Shu-Yun;Zou, Yao-Lin;Hou, Defu

通讯作者：

Sheng, XL

作者机构：

[Hou, Defu; Sheng, Xin-Li; Yang, Shu-Yun; Zou, Yao-Lin; Sheng, XL] Cent China Normal Univ, Key Lab Quark & Lepton Phys, MOE, Wuhan 430079, Peoples R China.

[Hou, Defu; Sheng, Xin-Li; Yang, Shu-Yun; Zou, Yao-Lin; Sheng, XL] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.

[Sheng, Xin-Li; Sheng, XL] INFN, Sez Firenze, Via G Sansone 1, I-50019 Florence, Italy.

通讯机构：

[Sheng, XL ] C

Cent China Normal Univ, Key Lab Quark & Lepton Phys, MOE, Wuhan 430079, Peoples R China.

Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.

INFN, Sez Firenze, Via G Sansone 1, I-50019 Florence, Italy.

语种：

英文

期刊：

EUROPEAN PHYSICAL JOURNAL C

ISSN：

1434-6044

年：

2024

卷：

期：

页码：

1-13

DOI：

10.1140/epjc/s10052-024-12643-7

基金类别：

National Key Research and Development Program of China#&#&#2022YFA1604900 Postdoctoral Research Foundation of China#&#&#2021M701369 National Natural Science Foundation of China#&#&#11890710#&#&#11890711#&#&#12275104 Special Foundation for Theoretical Physics Research Program of China#&#&#12047528

机构署名：

本校为第一且通讯机构

院系归属：

物理科学与技术学院

摘要：

AbstractBased on the Nambu–Jona–Lasinio (NJL) model, we develop a framework for calculating the spin alignment of vector mesons and applied it to study $$\phi $$ ϕ mesons in a magnetic field. We calculate mass spectra for $$\phi $$ ϕ mesons and observe mass splitting between the longitudinally polarized state and transversely polarized states. The $$\phi $$ ϕ meson in a thermal equilibrium system is preferred to occupy the state with spin $$\lambda =0$$ λ = 0 than those with spin $$\lambda =\pm 1$$ λ = ± 1 , becau...

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Mass splitting and spin alignment for φ mesons in a magnetic field in NJL model

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