arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 1707.04557hep-ph
收藏

R-对称SUSY中Dirac胶子的夸克产生:NLO修正

Squark production in R-symmetric SUSY with Dirac gluinos: NLO corrections

Philip Diessner, Wojciech Kotlarski, Sebastian Liebschner, Dominik Stöckinger

摘要:

R-对称导致了一个独特的实现超对称性显着修改彩色部门具有狄拉克胶子和标量色八隅体(sgluon)。我们提出了在13 TeV LHC的夸克产生的R-对称性的影响。我们研究了强相互作用态的总截面及其非线性光学修正,它们对Dirac胶子质量和sgluon质量的依赖关系,以及它们在选定的基准点上的系统学性质。我们发现,在R-对称模型中的树级横截面减少相比,MSSM,但非线性光学K-因子一般较大的顺序为10至20%。在这项工作的过程中,我们得到所需的DREG $\to$ DRED过渡counterms和必要的壳层重整化常数。使用FKS减法处理实际校正,并与采用两个切割相空间切片方法的独立计算结果进行交叉检查。

英文摘要:

R-symmetry leads to a distinct realisation of SUSY with a significantly modified coloured sector featuring a Dirac gluino and a scalar colour octet (sgluon). We present the impact of R-symmetry on squark production at the 13 TeV LHC. We study the total cross sections and their NLO corrections from all strongly interacting states, their dependence on the Dirac gluino mass and sgluon mass as well as their systematics for selected benchmark points. We find that tree-level cross sections in the R-symmetric model are reduced compared to the MSSM but the NLO K-factors are generally larger in the order of ten to twenty per cent. In the course of this work we derive the required DREG $\to$ DRED transition counterterms and necessary on-shell renormalisation constants. The real corrections are treated using FKS subtraction, with results cross checked against an independent calculation employing the two cut phase space slicing method.

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。

↑