Stop-Neutralino Coannihilation in the Light of LHC

2011/11/18 by Muhammad Adeel Ajaib, Tong Li, Ajaib, M. Adeel +3 · 1 citation
Computer Science · Physics and Astronomy · #Computational Physics and Python Applications #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Particle physics theoretical and experimental studies

paper · pdf · doi:10.48550/arxiv.1111.4467

openalex publication_date 2011/11/18 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We employ the ATLAS search results for events containing jets and large missing transverse momentum, corresponding to an integrated luminosity of 1 fb^-1, to investigate the constrained minimal supersymmetric model (CMSSM) with b-τYukawa coupling unification. In this scenario, one of the stops is the next-to-lightest supersymmetric particle (NLSP), which co-annihilates with the lightest (LSP) neutralino to yield the desired dark matter relic abundance. The NLSP stop, here taken to be lighter than the top quark, is slightly (

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