Higgs portal dark matter freeze-in at stronger coupling: observational benchmarks

被引：3
|
作者：
Arcadi, Giorgio [1 ,2 ]
Costa, Francesco [3 ]
Goudelis, Andreas [4 ]
Lebedev, Oleg [5 ,6 ]
机构：
[1] Univ Messina, Dipartimento Sci Matematiche & Informat, Sci Fis & Sci Terra, Viale Ferdinando Stagno Alcontres 31, I-98166 Messina, Italy
[2] INFN, Sez Catania, Via St Sofia 64, I-95123 Catania, Italy
[3] Georg August Univ Gottingen, Inst Theoret Phys, Friedrich Hund Pl 1, D-37077 Gottingen, Germany
[4] Univ Clermont Auvergne, Lab Phys Clermont Auvergne, UMR 6533, CNRS,IN2P3, 4 Ave Blaise Pascal, F-63178 Aubiere, France
[5] Dept Phys, Gustaf Hallstromin Katu 2a, FI-00014 Helsinki, Finland
[6] Helsinki Inst Phys, Gustaf Hallstromin Katu 2a, FI-00014 Helsinki, Finland
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2024年 / 07期
关键词：
Particle Nature of Dark Matter; Dark Matter at Colliders; MODEL;
D O I：
10.1007/JHEP07(2024)044
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 study freeze-in production of Higgs portal dark matter (DM) at temperatures far below the dark matter mass. The temperature of the Standard Model (SM) thermal bath may have never been high such that dark matter production via thermal emission has been Boltzmann-suppressed. This allows for a significant coupling between the Higgs field and DM, which is being probed by the direct DM detection experiments and invisible Higgs decay searches at the LHC. We delineate the corresponding parameter space in the Higgs portal framework with dark matter of spin 0, 1/2 and 1.
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页数：19
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