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arXiv 2601.08899hep-ph
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洛伦兹与CPT检验在中子和存储环EDM实验中

Lorentz and CPT Tests in Neutron and Storage-Ring EDM Experiments

Ohio Wesleyan University(俄亥卫斯理安大学)

Yunhua Ding

AI总结:

该研究通过中子和存储环EDM实验,利用SME框架分析洛伦兹和CPT违反效应,推导自旋进动修正并建立EDM与SME系数的对应关系,为未来设定洛伦兹违反系数的限制提供依据。

摘要:

我们研究了中子和存储环电偶极矩(EDM)实验中洛伦兹和CPT违反效应,框架为标准模型扩展(SME)。对于中子EDM实验,应用微扰理论推导出洛伦兹和CPT违反对自旋进动频率的主导贡献。对于存储环实验,使用广义的巴尔曼-米切尔-特列迪方程确定相应的自旋进动修正。分析建立了测量EDM与特定SME系数之间的明确对应关系,为未来研究中设定洛伦兹违反几个之前未受限制的系数的首次限制提供了基础。

英文摘要:

We investigate Lorentz- and CPT-violating effects in neutron and storage-ring electric dipole moment (EDM) experiments within the framework of the Standard-Model Extension (SME). For neutron EDM experiments, perturbation theory is applied to derive leading-order contributions to the spin precession frequency arising from Lorentz and CPT violation. For storage-ring experiments, a generalized Bargmann-Michel-Telegdi equation is used to determine the corresponding spin-precession modifications. The analysis establishes explicit correspondences between measured EDMs and specific SME coefficients, providing a basis for setting the first limits on several previously unconstrained coefficients for Lorentz violation in future studies.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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