3 years ago

A study of the new hemispherical 9-inch PMT.

Fengjiao Luo, Yuekun Heng, Nan Li, Zhimin Wang, Zhiyan Cai, Gang Wang, Zhi Wu, Yuanbo Chen, Anbo Yang, Mengzhao Li, Yan Zhang, Zhonghua Qina, Haiqiong Zhang, Meihang Xu

The new hemispherical photomultiplier tubes (PMTs) with 9 inch diameter from Hainan Zhanchuang Photonics Technology Co.,Ltd (HZC) have been studied. Narrow transit time spread (FWHM=2.35 ns) accompanied by small nonlinearity (750 photoelectrons at 5%) and high gain (1E7 ) with good single photoelectron (PE) resolution have been observed. 11 PMTs of this type are deployed and studied in the prototype detector for JUNO at IHEP, China.

Publisher URL: http://arxiv.org/abs/1801.02737

DOI: arXiv:1801.02737v1

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