Improved determination of the Higgs mass in the MSSM with heavy superpartners

被引：49

作者：

Bagnaschi, Emanuele ^{[1
]}

Vega, Javier Pardo ^{[2
,3
,4
]}

Slavich, Pietro ^{[5
,6
]}

机构：

[1] DESY, D-22607 Hamburg, Germany

[2] Abdus Salam Int Ctr Theoret Phys, Str Costiera 11, I-34151 Trieste, Italy

[3] SISSA Int Sch Adv Studies, Via Bonomea 265, I-34136 Trieste, Italy

[4] INFN Trieste, Via Bonomea 265, I-34136 Trieste, Italy

[5] UPMC Univ Paris 06, Sorbonne Univ, LPTHE, 4 Pl Jussieu, F-75252 Paris, France

[6] CNRS, LPTHE, 4 Pl Jussieu, F-75252 Paris, France

来源：

EUROPEAN PHYSICAL JOURNAL C | 2017年 / 77卷 / 05期

基金：

欧洲研究理事会;

关键词：

EFFECTIVE-FIELD THEORY; ELECTROWEAK SYMMETRY-BREAKING; HIGH-PRECISION PREDICTIONS; RADIATIVE-CORRECTIONS; BOSON MASSES; SUPERSYMMETRIC HIGGS; 2-LOOP CORRECTIONS; STANDARD MODEL; RENORMALIZATION; PROGRAM;

D O I：

10.1140/epjc/s10052-017-4885-7

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：

We present several advances in the effective field theory calculation of the Higgs mass in MSSM scenarios with heavy superparticles. In particular, we compute the dominant two-loop threshold corrections to the quartic Higgs coupling for generic values of the relevant SUSY-breaking parameters, including all contributions controlled by the strong gauge coupling and by the third-family Yukawa couplings. We also study the effects of a representative subset of dimension-six operators in the effective theory valid below the SUSY scale. Our results will allow for an improved determination of the Higgs mass and of the associated theoretical uncertainty.

引用

页数：19

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