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SUMMARY:Wavelength shift fiber enhancing PMT for the water Cherenkov detec
 tor prototype at very high energy Gamma-ray observatory
DTSTART;VALUE=DATE-TIME:20230905T150000Z
DTEND;VALUE=DATE-TIME:20230905T152000Z
DTSTAMP;VALUE=DATE-TIME:20260606T144449Z
UID:indico-contribution-2967@indico.tlabs.ac.za
DESCRIPTION:Speakers: Hao Sun (Sdu)\nThe Southern Wide-field Gamma-ray Obs
 ervatory (SWGO) is the proposal for a new ground-based gamma-ray observato
 ry in the Southern Hemisphere\, and an array of water-Cherenkov detectors 
 (WCD) will be used to monitor the very-high-energies gamma-ray emission fr
 om the southern sky. In this report\, we propose one fiber-PMT\, small siz
 e photomultiplier tube (PMT) coupling with wavelength shift fiber bunch to
  enhance light collection efficiency\, to be used as photosensor for these
  WCDs. This is a cost effective approach with respect to a large area PMT 
 currently used in WCD. One WCD prototype has been built in our laboratory 
 with this fiber-PMT\, XP3960 PMT and Kuraray Y11 fiber bunch，the structu
 re of this fiber-PMT photosensor and the WCD will be introduced. The light
  yield and time resolution of this fiber-PMT WCD prototype has tested with
  cosmic ray muon\, the single particle peak is clear visible with charge r
 esolution 19% and time resolution less than 4 ns. The uniformity of this W
 CD is also tested with cosmic ray muon by changing the trigger prober posi
 tion and direction. The simulation based on GEANT4 also is developed to op
 timize the performance of this detector\, including the effect of detector
  area\, water depth and fiber length. The optimized WCD design demonstrate
 s the potential for improved performance while reducing costs and simplify
 ing installation and maintenance processes.\n\nhttps://indico.tlabs.ac.za/
 event/112/contributions/2967/
LOCATION: Meeting Room 2.61 - 2.63
URL:https://indico.tlabs.ac.za/event/112/contributions/2967/
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