用于KLOE-2实验的低能标记器
The Low Energy Tagger for the KLOE-2 experiment
摘要:
在弗拉斯卡蒂升级的DAFNE e+e对撞机(KLOE-2)上进行的KLOE实验将于2010年初开始新的数据采集,其探测器将升级为一个标记系统,用于识别伽马-伽马相互作用。低能e+e-的标记站将包括两个热量计。用于探测低能e+e-的热量计将放置在束管外部支撑结构和KLOE漂移室内壁之间。这种量热计将由硅光电倍增器读出的LYSO晶体制成,在200 MeV时达到优于8%的能量分辨率。
英文摘要:
The KLOE experiment at the upgraded DAFNE e+e- collider in Frascati (KLOE-2) is going to start a new data taking at the beginning of 2010 with its detector upgraded with a tagging system for the identification of gamma-gamma interactions. The tagging stations for low-energy e+e- will consist in two calorimeters The calorimeter used to detect low-energy e+e- will be placed between the beam-pipe outer support structure and the inner wall of the KLOE drift chamber. This calorimeter will be made of LYSO crystals readout by Silicon Photomultipliers, to achieve an energy resolution better than 8% at 200 MeV.
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