Simulation Study of the Beam Calorimeter in the GLD Configuration for the Next Generation Linear Collider

TL;DR

This study uses simulation to evaluate the radiation exposure and electron identification capabilities of the beam calorimeter in the GLD detector for future linear colliders, supporting particle discovery efforts.

Contribution

It presents a detailed simulation analysis of radiation dosage and develops an electron identification algorithm for the beam calorimeter in the GLD detector.

Findings

Inner ring receives about 10 Mrad/year radiation dose.

Electron identification algorithm performs satisfactorily.

Feasibility of smuon search with the calorimeter is demonstrated.

Abstract

The beam calorimeter, located in the very forward and backward region of the next generation electron-positron linear accelerator, will be an important apparatus to search for or identify new particles beyond Standard Model. One of its key design issues is to estimate the radiation dosage due to beam related backgrounds. We used the geant-based package, Jupiter, for the proposed GLD detector in this study. The dosage received per year for the inner most ring will be around 10 Mrad. An algorithm for electron identification with beam calorimeter under nominal background condition is developed and is used for the feasibility study of smuon search. The result is satisfactory.