SUSY-QCD corrections to squark annihilation into gluons and light quarks
Luca Paolo Wiggering
TL;DR
This paper computes detailed one-loop SUSY-QCD corrections to squark annihilation processes, including Sommerfeld effects, to improve predictions of neutralino relic density in the MSSM.
Contribution
It provides the first comprehensive calculation of SUSY-QCD corrections with Sommerfeld enhancement for squark annihilation into gluons and light quarks.
Findings
Corrections significantly affect neutralino relic density predictions.
Inclusion of Sommerfeld enhancement modifies annihilation cross sections.
Results improve the precision of MSSM dark matter relic density calculations.
Abstract
We calculate the full one-loop SUSY-QCD corrections to stop annihilation into gluons and light quarks including the Sommerfeld enhancement effect and discuss their impact on the neutralino relic density in the MSSM.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research