A large area detector for high-energy neutrons

Th Blaich, Th W. Elze, H. Emling, H. Freiesleben, K. Grimm, W. Henning, R. Holzmann, G. Ickert, J. G. Keller, H. Klingler, W. Kneissl, R. König, R. Kulessa, J. V. Kratz, D. Lambrecht, J. S. Lange, Y. Leifels, E. Lubkiewicz, M. Proft, W. ProkopowiczC. Schütter, R. Schmidt, H. Spies, K. Stelzer, J. Stroth, W. Walus, E. Wajda, H. J. Wollersheim, M. Zinser, E. Zude

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187 Scopus citations

Abstract

We present design studies, results of test measurements, and Monte Carlo simulations which served as a basis for the realization of a large area neutron detector (LAND). It has a front area of 2m×2m and a depth of 1 m, and features a multilayer structure of passive converter and active scintillator material. The detector is subdivided in independently operating paddles which allow time-of-flight and position measurement. An energy resolution of ΔTn/Tn=5.3% for a flight path of 15 m and an overall detection efficiency of ε{lunate} ≈ 1 is anticipated for neutrons with Tn ≈ 1 GeV. The operation of LAND at the SIS facility of GSI is described.

Original languageEnglish
Pages (from-to)136-154
Number of pages19
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume314
Issue number1
DOIs
StatePublished - 1 Apr 1992
Externally publishedYes

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