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Journal Articles European Physical Journal A Year : 2013

An endoscopic detector for ultracold neutrons

L. Göltl
  • Function : Author
Z. Chowdhuri
  • Function : Author
M. Fertl
  • Function : Author
F. Gray
  • Function : Author
R. Henneck
  • Function : Author
K. Kirch
  • Function : Author
B. Lauss
  • Function : Author
A. Mtchedlishvili
  • Function : Author
P. Schmidt-Wellenburg
  • Function : Author
G. Zsigmond
  • Function : Author


A new versatile detector for ultracold neutrons (UCN) has been built and operated which combines multi-pixel photon counters and GS10 lithium-doped scintillators. Such detectors can be very small and can be used to monitor UCN inside storage vessels or guides with negligible influence (of order 10(-6)) on the UCN intensity itself. We have shown that such detectors can be used in a very harsh radiation environment of up to 200 Gy/h via the addition of a 4 m long quartz light guide in order to place the radiation-sensitive photon counters outside the hot zone. Additionally we have measured the UCN storage times in situ in this harsh environment.

Dates and versions

in2p3-00823240 , version 1 (16-05-2013)



L. Göltl, Z. Chowdhuri, M. Fertl, F. Gray, R. Henneck, et al.. An endoscopic detector for ultracold neutrons. European Physical Journal A, 2013, 49, pp.9. ⟨10.1140/epja/i2013-13009-8⟩. ⟨in2p3-00823240⟩
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