Probing mSUGRA Models at Linear Colliders

TL;DR

This paper evaluates the potential of a 500-GeV linear collider to test mSUGRA models, emphasizing the importance of an active mask to suppress background events for effective probing.

Contribution

It presents a feasibility study focusing on the collider's ability to explore mSUGRA models in the co-annihilation region, highlighting the necessity of specific detector features.

Findings

Active mask is critical for background suppression.

Feasibility of probing mSUGRA models at 500 GeV.

Background events significantly impact detection sensitivity.

Abstract

A feasibility study of a 500-GeV linear collider is presented for mSUGRA models in co-annihilation region. We find an active mask is critical to suppress $e^+ e^- \to e^+ e^- \tau^+ \tau^-$ events to probe the models.