arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1107.0914hep-ph
收藏

对MSSM中赝标希格斯粒子产生的QCD修正

NLO QCD corrections to pseudoscalar Higgs production in the MSSM

G. Degrassi, S. Di Vita, P. Slavich

摘要:

本文计算了MSSM中夸克-夸克-胶子双圈对胶子融合产生赝标希格斯玻色子玻色子的贡献。我们使用Pauli-Villars方法正则化循环积分,并基于重粒子质量的展开获得显式且紧凑的分析结果。我们的结果-有效的赝标量希格斯玻色子比方和胶子轻时-可以很容易地实现在计算机代码中的赝标量生产截面的有效和准确的测定。

英文摘要:

We present a calculation of the two-loop quark-squark-gluino contributions to pseudoscalar Higgs boson production via gluon fusion in the MSSM. We regularize the loop integrals using the Pauli-Villars method, and obtain explicit and compact analytic results based on an expansion in the heavy particle masses. Our results - valid when the pseudoscalar Higgs boson is lighter than squarks and gluinos - can be easily implemented in computer codes for an efficient and accurate determination of the pseudoscalar production cross section.

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。

↑