THE MATERIALS DOSIMETRY REFERENCE FACILITY

Ayman Ibrahim Hawari, Ramkumar Venkataraman, Ronald Fleming, Charles Eisenhauer, James Grundl, E. Dale McGarry

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

The Materials Dosimetry Reference Facility (MDRF) is a new reactor-driven reference neutron field for reactor dosimetry calibrations and methods validation. Basically, the facility design is a steel cylinder (15-cm o.d., 5-cm i.d.) mounted in the pool close to the core of the Ford Nuclear Reactor at the Phoenix Memorial Laboratory of the University of Michigan. Two spectrum options are available: one with a near-i/E distribution below 0.I MeV, and the other with a 10B filtered spectrum that cuts off below 4 keY. Fast-neutron fluence rates (nominally 2.8×1011cm-2s-1, E>I MeV) are established by means of neutron fluence transfer from the 252Cf Fission Neutron Irradiation Facility at NIST. Neutron fluences for sample irradiations (conventional maximum 2×1016n/cm2, E>I MeV) will be certified to uncertainties of ±(5-6)% 1σ. The neutron spectrum in the facility is established on the basis of neutron transport calculations and spectral index measurements, the latter with threshold, low-energy activation, and fission reactions. The results of calculations and measurements are reported in this paper.

Original languageEnglish
Title of host publicationReactor Dosimetry
EditorsHarry Farrar, E. Parvin Lippincott, John G. Williams, David W. Vehar
PublisherASTM International
Pages401-410
Number of pages10
ISBN (Electronic)9780803118997
DOIs
StatePublished - 1994
Event8th ASTM-Euratom Symposium on Reactor Dosimetry - Vail, United States
Duration: Aug 29 1993Sep 3 1993

Publication series

NameASTM Special Technical Publication
VolumeSTP 1228
ISSN (Print)0066-0558

Conference

Conference8th ASTM-Euratom Symposium on Reactor Dosimetry
Country/TerritoryUnited States
CityVail
Period08/29/9309/3/93

Keywords

  • benchmark
  • dosimetry
  • neutron
  • nuclear
  • radiation damage

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