Belle electromagnetic calorimeter

Belle electromagnetic calorimeter
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百丽电磁热量计

DOI:
10.1016/s0168-9002(02)01483-3
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发表时间:
2002
影响因子:
1.4
通讯作者:
K. Miyabayashi
K. Miyabayashi
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
K. Miyabayashi

文献摘要

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我们报告了百丽电磁量热计在头三年的运行情况。π0和η的质量分辨率分别为4.8MeV/c2和12.1MeV/c2。辐射损伤对光输出的影响很小,40rad的辐射剂量对光输出的影响约为3%。这些性能为进一步研究中性粒子重建的B物理奠定了基础。
We report the performance of the Belle electromagnetic calorimeter for the first three years operation. Good mass resolutions for π0and η are obtained to be 4.8 and 12.1 MeV /c2, respectively. The degradation of light output due to the radiation damage is small, about 3% for the radiation dose of 40 rad . These performances promise further study of B physics with neutral particle reconstruction.