Hybrid calculation of the MSSM Higgs boson masses using the complex THDM as EFT

被引：8

作者：

Bahl, Henning ^{[1
]}

Murphy, Nick ^{[2
]}

Rzehak, Heidi ^{[2
,3
]}

机构：

[1] Deutsch Elektronen Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany

[2] Univ Southern Denmark, CP3 Origins, Campusvej 55, DK-5230 Odense M, Denmark

[3] Albert Ludwigs Univ Freiburg, Inst Phys, Hermann Herder Str 3, D-79104 Freiburg, Germany

来源：

EUROPEAN PHYSICAL JOURNAL C | 2021年 / 81卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

2-LOOP QCD CORRECTIONS; RENORMALIZATION-GROUP EQUATIONS; QUANTUM-FIELD THEORY; YUKAWA-COUPLING CORRECTIONS; HIGH-PRECISION PREDICTIONS; STANDARD MODEL; CP VIOLATION; TOP; PROGRAM; SECTOR;

D O I：

10.1140/epjc/s10052-021-08939-7

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Recently, the Higgs boson masses in the Minimal supersymmetric standard model (MSSM) and their mixing have been calculated using the complex two-Higgs-doublet model (cTHDM) as an effective field theory (EFT) of the MSSM. Here, we discuss the implementation of this calculation, which we improve in several aspects, into the hybrid framework of FeynHiggs by combing the cTHDM-EFT calculation with the existing fixed-order calculation. This combination allows accurate predictions also in the intermediate regime where some SUSY particles are relatively light, some relatively heavy and some in between. Moreover, the implementation provides precise predictions for the Higgs decay rates and production cross-sections.

引用

页数：13

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