Interpreting (n,n*3) and (n,3n) ENDF Charts

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SUMMARY

The discussion focuses on the interpretation of (n,n*3) and (n,3n) ENDF charts, which represent Inelastic levels and Threshold Reactions, respectively. The (n,n*3) notation indicates a neutron interaction resulting in three emitted neutrons, while (n,3n) denotes a threshold reaction involving the emission of three neutrons. For detailed examples, users can refer to the provided links, including a specific PDF from LANL and a resource from the NNDC for further clarification.

PREREQUISITES
  • Understanding of ENDF (Evaluated Nuclear Data File) charts
  • Familiarity with neutron interaction terminology
  • Basic knowledge of nuclear reactions
  • Access to nuclear data resources like LANL and NNDC
NEXT STEPS
  • Study the ENDF format specifications for detailed chart interpretation
  • Explore neutron interaction mechanisms in nuclear physics
  • Read "Introduction to Nuclear Reactions" for foundational concepts
  • Investigate software tools for visualizing ENDF data
USEFUL FOR

Nuclear physicists, researchers in nuclear engineering, and students studying neutron interactions and nuclear data analysis will benefit from this discussion.

Kryptonite-19
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1. What is the meaning of (n,n*3) and (n,3n)?

(n,n*3) is shown in ENDF charts for Inelastic levels and (n,3n) is shown for Threshold Reactions. For an example, see http://t2.lanl.gov/data/n7-pdf/sm/149.pdf

2. Also can you refer me to a book that explains how to interpret these types of charts?
 
Physics news on Phys.org
http://www.nndc.bnl.gov/exfor/help7.jsp

Try the above.
 

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