Integrating in the Higgs portal to fermion dark matter

被引：81

作者：

Freitas, A. ^{[1
]}

Westhoff, S. ^{[1
]}

Zupan, J. ^{[2
]}

机构：

[1] Univ Pittsburgh, Dept Phys & Astron, PITTsburgh Particle Phys Astrophys & Cosmol Ctr P, Pittsburgh, PA 15260 USA

[2] Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2015年 / 09期

基金：

美国国家科学基金会;

关键词：

Higgs Physics; Beyond Standard Model; Gauge Symmetry; Effective field theories; SUPERSYMMETRY; PHYSICS; SEARCH;

D O I：

10.1007/JHEP09(2015)015

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：

Fermion dark matter (DM) interacting with the standard model through a Higgs portal requires non-renormalizable operators, signaling the presence of new mediator states at the electroweak scale. Collider signatures that involve the mediators are a powerful tool to experimentally probe the Higgs portal interactions, providing complementary information to strong constraints set by direct DM detection searches. Indirect detection experiments are less sensitive to this scenario. We investigate the collider reach for the mediators using three minimal renormalizable models as examples, and requiring the fermion DM to be a thermal relic. The Large Hadron Collider in its high-energy, high-luminosity phase can probe most scenarios if DM is lighter than about 200 GeV. Beyond this scale, future high-energy experiments such as an electron-positron collider or a 100-TeV proton-proton collider, combined with future direct detection experiments, are indispensable to conclusively test these models.

引用

页数：34

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