Radiative corrections to the τ- → (P1P2)-vτ (P1,2 = π,K) decays

被引：2

作者：

Escribano, Rafel ^{[1
,2
,3
]}

Alejandro Miranda, Jesus ^{[2
,3
]}

Roig, Pablo ^{[4
]}

机构：

[1] Univ Autonoma Barcelona, Dept Fis, Grp Fis Teor, Barcelona 08193, Spain

[2] Inst Fis Altes Energies IFAE, Campus UAB, Barcelona 08193, Spain

[3] Barcelona Inst Sci & Technol, Campus UAB, Barcelona 08193, Spain

[4] Inst Politecn Nacl, Dept Fis, Ctr Invest Estudios Avanzados, Apartado Postal 14-740, Mexico City 07000, Mexico

来源：

PHYSICAL REVIEW D | 2024年 / 109卷 / 05期

基金：

欧盟地平线“2020”;

关键词：

VECTOR FORM-FACTOR; CHIRAL PERTURBATION-THEORY; SPECTRAL FUNCTIONS; CONSTRAINTS; VIOLATION; PHYSICS;

D O I：

10.1103/PhysRevD.109.053003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The radiative corrections to the tau(-) -> (P1P2)(-)v(tau) (P-1,P-2 = pi,K) decays are calculated for the first time including the structure-dependent real photon corrections, which are obtained using resonance chiral theory. Our results, whose uncertainty is dominated by the model dependence of the resummation of the radiative corrections and the missing virtual structure-dependent contributions, allow for precise tests of Cabibbo-Kobayashi-Maskawa unitarity, lepton flavor universality, and nonstandard interactions.

引用

页数：23

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