Kavli Affiliate: Li Xin Li
| First 5 Authors: Yuanjing Ji, Zebo Tang, Chen Li, Xin Li, Ming Shao
| Summary:
At high luminosity areas, beam loss monitor with fast response and high
radiation resistance is crucial for accelerator operation. In this article, we
report the design and test results of a fast response and radiation-resistant
scintillator detector as the beam loss monitor for high luminosity colliders,
especially at low energy regions such as RFQ. The detector consists of a 2 cm*2
cm 0.5 cm LYSO crystal readout by a 6 mm*6 mm Silicon photomultiplier. Test
results from various radioactive sources show that the detector has good
sensitivity to photons from tens of keV to several MeV with good linearity and
energy resolution (23% for 60 keV {gamma}-ray). For the field test, two such
detectors are installed outside of the vacuum chamber shell of an 800 MeV
electron storage ring. The details of the test and results are introduced.
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