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 1. Home
 2. Mirion Technologies Products
 3. Spectroscopy & Scientific Analysis Systems
 4. Gamma Spectroscopy
 5. Gamma Spectroscopy Software
 6. Lab Applications
 7. FRAM™


FRAM™

Fixed Energy Response Function Analysis with Multiple Efficiency

FRAM (Fixed-Energy, Response Function Analysis with Multiple Efficiency)
software is a code used primarily to determine the isotopic composition of
plutonium in special nuclear materials.

Request Info
Data Sheet


TAG FEATURES

Data Sheet
 * Determines relative plutonium isotopic abundances or uranium isotopic
   abundances in non-destructive assay applications
 * Uses spectra collected with HPGe detectors
 * Incorporates a sophisticated peak fitting and multiplet deconvolution
   algorithm to analyze complex peak regions
 * Requires no efficiency calibration for matrix density, thickness or container
   characteristics
 * Developed by Los Alamos and licensed to Mirion


DESCRIPTION

FRAM (Fixed-Energy, Response Function Analysis with Multiple Efficiency)
software is a code developed by Los Alamos to analyze pulse-height spectra
generated by high-resolution gamma-ray detectors. It has been used primarily to
determine the isotopic composition of plutonium in special nuclear materials.
Its design and flexibility allow it to easily measure ratios and distributions
of isotopes other than plutonium in arbitrary items.

In nuclear safeguards, FRAM software complements calorimetry and neutron
coincidence counting by allowing measurements to be interpreted in terms of
total plutonium mass.

Material Types Measured with FRAM Software

 * 240Pu (2% – 95%) of total plutonium
 * 241Pu – 237U (nonequilibrium)
 * Am/Pu in heterogeneous combinations
 * 241Am (0.01% to >50%)
 * 235U/Pu mixed (MOX) ratios from 0.005 – 35
 * 243Am – 239Np
 * 244Cm
 * 237Np
 * 234U, 235U, 238U relative abundances, (no plutonium present), 0.2 to >97%
   235U
 * 238Pu (80%)
 * Materials in shielded or heavy-walled containers (≥13 mm Pb for plutonium,
   ≥16 mm steel for uranium)


RELATED RESOURCES


PRODUCT LITERATURE CHEVRON

Data Sheet: Genie Version 3.4.1. and Apex Qualification Matrix Download

Do you have a question or need a custom solution? We're here to help guide your
research.

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RELATED PRODUCTS

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S573 ISOCS™ CALIBRATION SOFTWARE

The ISOCS (In Situ Object Counting System) Calibration Software brings a new
level of capabilities to gamma sample assay by eliminating the need for
traditional calibration sources during the efficiency calibration process.



The ISOCS (In Situ Object Counting System) Calibration Software brings a new
level of capabilities to gamma sample assay by eliminating the need for
traditional calibration sources during the efficiency calibration process.




MERCURAD 3D SIMULATION SOFTWARE FOR DOSE RATE CALCULATION

The MERCURAD software, with its powerful user interface that can display 3D
scenes, offers a practical solution to meet the complex dose calculation
requirements of health physics specialists.



The MERCURAD software, with its powerful user interface that can display 3D
scenes, offers a practical solution to meet the complex dose calculation
requirements of health physics specialists.




MGA™ MULTI-GROUP ANALYSIS SOFTWARE

Multi-Group Analysis (MGA software) was designed to improve the accuracy of
these measurements over traditional methods. In addition to the primary
application of measuring Pu isotopics, MGA software can be used to determine
other actinides such as 235U, 238U, 237Np and 241Am as well. 



Multi-Group Analysis (MGA software) was designed to improve the accuracy of
these measurements over traditional methods. In addition to the primary
application of measuring Pu isotopics, MGA software can be used to determine
other actinides such as 235U, 238U, 237Np and 241Am as well. 




MGAU™ MULTI-GROUP ANALYSIS FOR URANIUM

The accurate non-destructive assay of uranium bearing materials to determine
uranium content is vital in nuclear safeguards, waste management, and fuel cycle
process control measurements.



The accurate non-destructive assay of uranium bearing materials to determine
uranium content is vital in nuclear safeguards, waste management, and fuel cycle
process control measurements.




NDA 2000™ NON-DESTRUCTIVE ASSAY SOFTWARE

The NDA 2000 software is designed to be a complete acquisition, analysis and
archival package for use with all Mirion neutron counters and gamma-ray systems.



The NDA 2000 software is designed to be a complete acquisition, analysis and
archival package for use with all Mirion neutron counters and gamma-ray systems.



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