摘要
ILC 是下一代正負電子對撞機，其初期對撞質心能量為兩百至五百 GeV 。GLD為ILC 下通用型偵測器。粒束量能器置於極前方區域，這些量能器提供偵測器對於粒子能量量測的極角至5 mrad以下。 在ILC中，有一重要的背景為粒束幅射。在粒子束碰撞期間，粒子因偏折會幅射光子，而這些光子又會與粒子束的粒子作用。這樣的背景會對極前端的偵測器有所影響，而粒束量能器收到相當多來自於此的背景。 在本論文中，以模擬研究GLD中粒束量能器的性質與粒束幅射背景對粒束量能器的影響。此外，本論文亦探討粒束量能器一項應用，在考量粒束幅射下，粒束量能器對於超對稱粒子 smuon 搜尋的幫助。
並列摘要
ILC(International Linear Collider) is a next generation electron-positron linear collider. It is expected to run with an initial center-of-mass energy of 200-500 GeV. GLD is a general-purpose detector designed for ILC. In the very forward region, there are beam calorimeters. These calorimeters provide hermeticity down to 5 mrad. In ILC, there is an important background called eamstrahlung. During the collision, beams will deflect and emit beamstrahlung photons and these photons will also interact with beam particles. These backgrounds will affect detectors in the very forward region. Beam calorimeters recieve serious background from eamstralung backgrounds. In this thesis, properties of beam calorimters and beamstrahlung effect on the beam calorimeters are studied based on the Monte Carlo simulation. The search of supersymmetric particle smuon with the consideration of beam calorimeters and beamstrahlung is also presented in this thesis.
參考文獻
延伸閱讀
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