Dark matter spectra from the electroweak to the Planck scale

被引：72

作者：

Bauer, Christian W. ^{[1
,2
]}

Rodd, Nicholas L. ^{[1
,2
]}

Webber, Bryan R. ^{[3
]}

机构：

[1] Univ Calif Berkeley, Berkeley Ctr Theoret Phys, Berkeley, CA 94720 USA

[2] Lawrence Berkeley Natl Lab, Theoret Phys Grp, Berkeley, CA 94720 USA

[3] Univ Cambridge, Cavendish Lab, JJ Thomson Ave, Cambridge, England

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2021年 / 2021卷 / 06期

基金：

英国科学技术设施理事会;

关键词：

Perturbative QCD; Resummation; COSMIC-RAYS; MULTIPLICITY; ANNIHILATION; SCATTERING; SIMULATION; DECAY; JETS;

D O I：

10.1007/JHEP06(2021)121

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 compute the decay spectrum for dark matter (DM) with masses above the scale of electroweak symmetry breaking, all the way to the Planck scale. For an arbitrary hard process involving a decay to the unbroken standard model, we determine the prompt distribution of stable states including photons, neutrinos, positrons, and antiprotons. These spectra are a crucial ingredient in the search for DM via indirect detection at the highest energies as being probed in current and upcoming experiments including IceCube, HAWC, CTA, and LHAASO. Our approach improves considerably on existing methods, for instance, we include all relevant electroweak interactions.

引用

页数：48

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