Low-background counting using Ge(Li) detectors with anti-muon-shields

Gerhard Anton Müller; Frank Wissmann; F. Schröder; G. Mondry; H. J. Brinkmann; Friedrich Smend; Martin Schumacher; P. Fettweis; R. Carchon

doi:10.1016/0168-9002(90)90432-6

Low-background counting using Ge(Li) detectors with anti-muon-shields

Gerhard Anton Müller, Frank Wissmann, F. Schröder, G. Mondry, H. J. Brinkmann, Friedrich Smend, Martin Schumacher, P. Fettweis, R. Carchon

Research output › peer-review

Abstract

Low-intensity photon counting experiments carried out in the energy range between 8 and 20 MeV using Ge(Li) detectors revealed a strong background due to cosmic muons. By using a lead shield to suppress photons and a five-sided 5 cm thick plastic shield to suppress muons, a background reduction of 99.5% was achieved. GEANT computer simulations are carried out to study properties of cosmic muon spectra in different Ge and Si detectors. A comparison of measured and simulated spectra leads to very good agreement. Background reduction by an annular NaI detector is studied in the anticoincidence and pair-spectrometer modes.

Original language	English
Pages (from-to)	133-139
Number of pages	7
Journal	Nuclear Inst. and Methods in Physics Research, A
Volume	295
Issue number	1-2
DOIs	https://doi.org/10.1016/0168-9002(90)90432-6
State	Published - 1 Oct 1990

Funding

Funders	Funder number
Deutsche Forschungsgemeinschaft	Schu 222

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

Access to Document

10.1016/0168-9002(90)90432-6

Cite this

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title = "Low-background counting using Ge(Li) detectors with anti-muon-shields",

abstract = "Low-intensity photon counting experiments carried out in the energy range between 8 and 20 MeV using Ge(Li) detectors revealed a strong background due to cosmic muons. By using a lead shield to suppress photons and a five-sided 5 cm thick plastic shield to suppress muons, a background reduction of 99.5% was achieved. GEANT computer simulations are carried out to study properties of cosmic muon spectra in different Ge and Si detectors. A comparison of measured and simulated spectra leads to very good agreement. Background reduction by an annular NaI detector is studied in the anticoincidence and pair-spectrometer modes.",

author = "M{\"u}ller, {Gerhard Anton} and Frank Wissmann and F. Schr{\"o}der and G. Mondry and Brinkmann, {H. J.} and Friedrich Smend and Martin Schumacher and P. Fettweis and R. Carchon",

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T1 - Low-background counting using Ge(Li) detectors with anti-muon-shields

AU - Müller, Gerhard Anton

AU - Wissmann, Frank

AU - Schröder, F.

AU - Mondry, G.

AU - Brinkmann, H. J.

AU - Smend, Friedrich

AU - Schumacher, Martin

AU - Fettweis, P.

AU - Carchon, R.

PY - 1990/10/1

Y1 - 1990/10/1

N2 - Low-intensity photon counting experiments carried out in the energy range between 8 and 20 MeV using Ge(Li) detectors revealed a strong background due to cosmic muons. By using a lead shield to suppress photons and a five-sided 5 cm thick plastic shield to suppress muons, a background reduction of 99.5% was achieved. GEANT computer simulations are carried out to study properties of cosmic muon spectra in different Ge and Si detectors. A comparison of measured and simulated spectra leads to very good agreement. Background reduction by an annular NaI detector is studied in the anticoincidence and pair-spectrometer modes.

AB - Low-intensity photon counting experiments carried out in the energy range between 8 and 20 MeV using Ge(Li) detectors revealed a strong background due to cosmic muons. By using a lead shield to suppress photons and a five-sided 5 cm thick plastic shield to suppress muons, a background reduction of 99.5% was achieved. GEANT computer simulations are carried out to study properties of cosmic muon spectra in different Ge and Si detectors. A comparison of measured and simulated spectra leads to very good agreement. Background reduction by an annular NaI detector is studied in the anticoincidence and pair-spectrometer modes.

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