TheStauNeutralinoCoannihilationRegionatPhoton-PhotonCollider

碩士 === 國立清華大學 === 物理學系 === 93 === We probe the stau-neutralino coannihilation region of the parameter space within the framework of minimal SUGRA models at a photon-photon collider. The most favorable signals of SUSY is stau-pair production where the small mass difference between the stau and neutra...

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Bibliographic Details
Main Authors: Jiunn-Yu Tsai, 蔡俊佑
Other Authors: Kingman Cheung
Format: Others
Language:en_US
Online Access:http://ndltd.ncl.edu.tw/handle/10455457298736449125
Description
Summary:碩士 === 國立清華大學 === 物理學系 === 93 === We probe the stau-neutralino coannihilation region of the parameter space within the framework of minimal SUGRA models at a photon-photon collider. The most favorable signals of SUSY is stau-pair production where the small mass difference between the stau and neutralino the in the coannihilation region is 5~15GeV.The standard model background is dominated by W-pair production. We propose a series of cuts which reduce this background.