Electron Photon Interaction Cross Sections (2025)

The Official ENDF/B-VIII.1 Electron, Photon & Atomic Data

Originally by

Dermott (Red) Cullen

National Nuclear Data Center, BNL, alumnus

Nuclear Data Section, IAEA, Vienna, alumnus

University of California, LLNL, retired

RedCullen1@comcast.net

I am now 85 years old and it is time for me to pass

these data files on to the next generation to maintain.

Caleb Mattoon

Lawrence Livermore National Laboratory (LLNL)

mattoon1@llnl.gov

Is assuming responsibility for EPICS (see the disclaimer)

PLEASE send ALL Feedback/Questions to Caleb Mattoon

Latest Website Update January 2025

This Replaces ALL Earlier Versions of the EPICS Data Libraries

EADL, EEDL and EPDL

STRONGLY Recommended you use ONLY the Latest Data Files

Today virtually ALL improvments in our data is based on USER FEEDBACK.

ALL feedback - pro & con - HELPS

PLEASE send Caleb Mattoon ALL feedback,

including copies of ALL of your reports and useful results

WE ARE ALL IN THIS TOGETHER , so PLEASE HELP ALL OF US

Data Updated January 2025

1) No changes to numerical values since August 2023

2) All Floating Point Numbers are now Compatible

xxxx xxxwith FORTRAN, C, C++... using "E" rather than "D".

3) Sequence Numbers deleted; recent ENDF-102 Change

Power Point Introduction - Overview

PLEASE VIEW!!! (2002 EPICS added to ENDF/B) PLEASE VIEW!!!

2025 Status Report

(the most upto-date information on use of EPICS;

including - interpretation - and misinterpretations users should avoid)

2017 Documents (Read me FIRST) Atomic Data (EADL) (EADL updated Apr. 2018) Electron Data (EEDL) Photon Data (EPDL) (EPDL updated Feb. 2018)

Older Background Documents EPICS2023 EPICS2017 EPICS2014 EEDL1991 EPDL1989 EPDL1997

Format Descriptions EPICS Formats and Content (ENDF and ENDLX) (Updated July 2018) Original ENDL Format (Updated May 2002)