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An endoscopic detector for ultracold neutrons

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Abstract

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 200Gy/h via the addition of a 4m 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.

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Authors and Affiliations

  1. Laboratory for Particle Physics, Paul Scherrer Institute, CH-5232, Villigen-PSI, Switzerland

    L. Göltl, Z. Chowdhuri, M. Fertl, R. Henneck, K. Kirch, B. Lauss, A. Mtchedlishvili, P. Schmidt-Wellenburg & G. Zsigmond

  2. Institute for Particle Physics, Zürich, Switzerland

    L. Göltl, M. Fertl & K. Kirch

  3. Regis University, 80221, Denver, CO, USA

    F. Gray

  4. Laboratoire de Physique Corpusculaire, Université de Caen, CNRS/IN2P3, Caen, France

    T. Lefort

Authors
  1. L. Göltl
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  2. Z. Chowdhuri
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  3. M. Fertl
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  4. F. Gray
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  5. R. Henneck
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  6. K. Kirch
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  7. B. Lauss
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  8. T. Lefort
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  9. A. Mtchedlishvili
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  10. P. Schmidt-Wellenburg
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  11. G. Zsigmond
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Corresponding author

Correspondence to B. Lauss.

Additional information

Communicated by B.R. Fulton

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Göltl, L., Chowdhuri, Z., Fertl, M. et al. An endoscopic detector for ultracold neutrons. Eur. Phys. J. A 49, 9 (2013). https://doi.org/10.1140/epja/i2013-13009-8

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  • DOI: https://doi.org/10.1140/epja/i2013-13009-8

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