KOTO实验中碘化铯量热计的改进

Proceedings of the 5th International Workshop on New Photon-Detectors (PD18) Pub Date : 2019-11-14 DOI:10.7566/jpscp.27.011004

N. Shimizu

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引用次数: 0

摘要

KOTO实验是在日本茨城县的J-PARC进行的，目的是观察罕见的衰变KL→πνν。分支比在标准模型(SM)中被严重抑制，实验观察可能揭示SM之外的物理线索。观测到的kl→πνν的特征是由π信号产生的两个γ，没有其他信号。因此，KOTO探测器由电磁量热计和密封否决权计数器组成。

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Upgrade of the Cesium Iodide Calorimeter for the KOTO Experiment

The KOTO experiment, conducted at J-PARC (Ibaraki Japan), is set to observe the rare decay KL → πνν̄. The branching ratio is heavily suppressed in the Standard model (SM) and the experimental observation may reveal hints from physics beyond the SM. The observed signature ofKL → πνν̄ is two γ’s produced from a π and no other signal. Thus the KOTO detector consists of an electromagnetic calorimeter and hermetic veto counters.

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Proceedings of the 5th International Workshop on New Photon-Detectors (PD18)

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