"Neutron Shell": A high efficiency array of neutron detectors for γ-ray spectroscopic studies with Gammasphere

D. G. Sarantites, W. Reviol, C. J. Chiara, R. J. Charity, L. G. Sobotka, M. Devlin, M. Furlotti, O. L. Pechenaya, J. Elson, P. Hausladen, S. Fischer, D. Balamuth, R. M. Clark

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

A shell of neutron detectors was designed, constructed, and employed in γ-ray spectroscopy with Gammasphere. It consists of up to 35 tapered regular hexagons that replace the same number of forward Ge-detector modules in Gammasphere. The shell was designed for high detection efficiency and very good neutron-γ discrimination. The simultaneous use of time-of-flight, and two methods of pulse shape discrimination between neutrons and γ rays is described. Techniques for spectroscopy with efficient detection of two neutrons are discussed.

Original languageEnglish
Pages (from-to)473-492
Number of pages20
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume530
Issue number3
DOIs
StatePublished - Sep 11 2004

Funding

The excellent craftsmanship of the staff of the Department of Chemistry Machine Shop at Washington University during the construction of the Neutron Shell is greatly appreciated. The interest and support of this project by Dr. L. Schroeder of LBNL is greatly appreciated. Useful discussions with C.J. (Kim) Lister are appreciated. This work was supported in part by the US Department of Energy, Division of Nuclear Physics under Grant no. DE-FG02-88ER-40406 (Wash. U.) and Contract no. DE-AC03-76SF00098 (LBNL), and the US National Science Foundation under Grant no. PHY95-14597 (U. Penn).

FundersFunder number
Division of Nuclear PhysicsDE-FG02-88ER-40406, DE-AC03-76SF00098
National Science FoundationPHY95-14597
U.S. Department of Energy

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