三顶夸克生产过程对顶相关SMEFT算子贡献的敏感性

IF 0.6 4区物理与天体物理 Q4 PHYSICS, PARTICLES & FIELDS

Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI:10.1134/S1063779624701661

A. M. Aleshko, E. E. Boos, V. E. Bunichev, L. V. Dudko

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引用次数: 0

摘要

研究了三种顶夸克产生过程对SMEFT顶相关算子的潜在贡献的敏感性。得到了LHC、HL-LHC、HE-LHC和FCC实验场景下对应算子Wilson系数的理论限制。它显示了这些限制如何随着所考虑情景的能量和亮度的增加而变化。结果表明，该过程较好地约束了以下四费米子算子：\(O_{{QQ}}^{1}\)、\(O_{{Qq}}^{{1,8}}\)、\(O_{{Qq}}^{{1,1}}\)、\(O_{{Qq}}^{{3,8}}\)、\(O_{{Qq}}^{{1,3}}\)、\(O_{{Qt}}^{1}\)、\(O_{{tq}}^{8}\)，并且对具有玻色子场的\({{O}_{{tW}}}\)和\({{O}_{{tG}}}\)也很敏感。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Sensitivity of the Three Top Quark Production Process to the Contribution of Top-Related SMEFT Operators

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Sensitivity of the Three Top Quark Production Process to the Contribution of Top-Related SMEFT Operators

The sensitivity of the three top quark production process to the potential contribution of the SMEFT top-related operators was investigated. Theoretical restrictions on the Wilson coefficients of the corresponding operators are obtained for the scenarios of the LHC, HL-LHC, HE-LHC, and FCC experiments. It is shown how these restrictions change with increasing energies and luminosities of the considered scenarios. It was demonstrated that the process constrains the following four-fermion operators relatively well: \(O_{{QQ}}^{1}\), \(O_{{Qq}}^{{1,8}}\), \(O_{{Qq}}^{{1,1}}\), \(O_{{Qq}}^{{3,8}}\), \(O_{{Qq}}^{{1,3}}\), \(O_{{Qt}}^{1}\), \(O_{{tq}}^{8}\), and it is also sensitive to the following operators with bosonic fields: \({{O}_{{tW}}}\) and \({{O}_{{tG}}}\).

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来源期刊

Physics of Particles and Nuclei 物理-物理：粒子与场物理

CiteScore

1.00

自引率

0.00%

发文量

116

审稿时长

6-12 weeks

期刊介绍： The journal Fizika Elementarnykh Chastits i Atomnogo Yadr of the Joint Institute for Nuclear Research (JINR, Dubna) was founded by Academician N.N. Bogolyubov in August 1969. The Editors-in-chief of the journal were Academician N.N. Bogolyubov (1970–1992) and Academician A.M. Baldin (1992–2001). Its English translation, Physics of Particles and Nuclei, appears simultaneously with the original Russian-language edition. Published by leading physicists from the JINR member states, as well as by scientists from other countries, review articles in this journal examine problems of elementary particle physics, nuclear physics, condensed matter physics, experimental data processing, accelerators and related instrumentation ecology and radiology.