Study of τ- → ωπ-ντ decay in resonance chiral theory with tensor sources - 成果

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Study of τ^- → ωπ^-ν_τ decay in resonance chiral theory with tensor sources

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成果类型：

期刊论文

作者：

Chen, Feng-Zhi;Li, Xin-Qiang;Peng, Shi-Can;Yang, Ya-Dong;Zou, Yuan-He

通讯作者：

Li, XQ

作者机构：

[Chen, Feng-Zhi] Jinan Univ, Coll Phys & Optoelect Engn, Dept Phys, Guangzhou 510632, Peoples R China.

[Chen, Feng-Zhi] Jinan Univ, Coll Phys & Optoelect Engn, Siyuan Lab, Guangzhou 510632, Peoples R China.

[Li, Xin-Qiang; Yang, Ya-Dong; Peng, Shi-Can; Zou, Yuan-He] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China.

[Li, Xin-Qiang; Yang, Ya-Dong; Peng, Shi-Can; Zou, Yuan-He] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Hubei, Peoples R China.

[Li, Xin-Qiang] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.

通讯机构：

[Li, XQ ] C

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

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

Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.

语种：

英文

关键词：

Chiral Lagrangian;Semi-Leptonic Decays;Specific BSM Phenomenology

期刊：

Journal of High Energy Physics

ISSN：

1029-8479

年：

2024

期：

DOI：

10.1007/JHEP08(2024)201

基金类别：

National Natural Science Foundation of China [12135006, 12075097]; Fundamental Research Funds for the Central Universities [CCNU22LJ004, 11623330]; Guangzhou Basic and Applied Basic Research Scheme Project for Maiden Voyage [2024A04J4190]

机构署名：

本校为通讯机构

院系归属：

物理科学与技术学院

摘要：

In this work, we make a study of the tau(-) -> omega pi(-)nu(tau) decay in the framework of low-energy effective field theory. The JPG decompositions of the quark currents and the omega pi final state show that, besides the Standard Model vector interaction, only the non-standard tensor interaction can have a non-zero contribution to the decay. To discuss its effect, a reliable calculation of the omega pi tensor form factors is necessary. After constructing the Lagrangian of resonance chiral theory with external tensor sources, we calculate both the vector and tensor form factors with the rele...

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Study of τ^- → ωπ^-ν_τ decay in resonance chiral theory with tensor sources

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