EMBEDDED WAVESHIFTING FIBER READOUT OF LONG SCINTILLATORS

被引：21
作者：
WOJCIK, R
KROSS, B
MAJEWSKI, S
WEISENBERGER, AG
ZORN, C
机构：
[1] Detector Group, Continuous Electron Beam Accelerator Facility, Newport News, VA 23606
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1994年 / 342卷 / 2-3期
关键词：
D O I：
10.1016/0168-9002(94)90269-0
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We have tested a method of reading out light from long scintillators by embedding waveshifting fibers in longitudinal grooves created in the scintillators which are then connected to a photomultiplier (PMT). With PMTs on both ends of the fibers we have obtained attenuation lengths of over 5 m and light outputs of over 5 photoelectrons per MeV from both ends of a 4 m long BC408 scintillator with five embedded 2 mm diameter BCF92 fast green-waveshifting fibers using a Hamamatsu green extended R580-17 PMT. With a reflector at one end of the fibers, we have easily obtained over 10 m attenuation lengths. Also presented are results using inexpensive acrylic scintillators with this method and measurements of a new experimental scintillator from Bicron with over a 5 m attenuation length.
引用
收藏
页码：416 / 435
页数：20
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