低能有效场论中Møller散射的宇称破坏

IF 5.5 1区 物理与天体物理 Q1 Physics and Astronomy
Sophie Kollatzsch, Daniel Moreno, David Radic, Adrian Signer
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引用次数: 0

摘要

我们用一种有效的场论方法考虑了低能量下Møller散射中的电弱效应,并计算了左右违反奇偶性的不对称性。使用低能量有效场论的计算提供了一个坚实的框架来整合具有电弱尺度质量的重粒子,允许恢复电弱尺度和QCD摄动理论失效的尺度之间的所有大对数。在蒙特卡罗框架McMule中实现了具有领先对数恢复的NLO电弱修正,结合了NNLO和强子效应的QED修正。因此,我们得到了一个完全微分的描述,并给出了适合MOLLER实验的结果。研究了大对数在次领先对数水平上的潜在影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Parity violation in Møller scattering within low-energy effective field theory

We include electroweak effects in Møller scattering at low energies in an effective field theory approach and compute the left-right parity-violating asymmetry. The calculation using low-energy effective field theory provides a solid framework to integrate out heavy particles with masses of the order of the electroweak scale, allowing the resummation of all large logarithms between the electroweak scale and the scale, where QCD perturbation theory breaks down. The NLO electroweak corrections with leading logarithmic resummation, combined with QED corrections at NNLO and hadronic effects are implemented into the Monte Carlo framework McMule. Thus, we obtain a fully differential description and present results adapted to the MOLLER experiment. The potential impact of large logarithms at the next-to-leading logarithmic level is investigated.

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来源期刊
Journal of High Energy Physics
Journal of High Energy Physics 物理-物理:粒子与场物理
CiteScore
10.30
自引率
46.30%
发文量
2107
审稿时长
1.5 months
期刊介绍: The aim of the Journal of High Energy Physics (JHEP) is to ensure fast and efficient online publication tools to the scientific community, while keeping that community in charge of every aspect of the peer-review and publication process in order to ensure the highest quality standards in the journal. Consequently, the Advisory and Editorial Boards, composed of distinguished, active scientists in the field, jointly establish with the Scientific Director the journal''s scientific policy and ensure the scientific quality of accepted articles. JHEP presently encompasses the following areas of theoretical and experimental physics: Collider Physics Underground and Large Array Physics Quantum Field Theory Gauge Field Theories Symmetries String and Brane Theory General Relativity and Gravitation Supersymmetry Mathematical Methods of Physics Mostly Solvable Models Astroparticles Statistical Field Theories Mostly Weak Interactions Mostly Strong Interactions Quantum Field Theory (phenomenology) Strings and Branes Phenomenological Aspects of Supersymmetry Mostly Strong Interactions (phenomenology).
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