Document NRC bremsstrahlung cross section option

nrc-cnrc · Jun 27, 2022 · c404f26 · c404f26
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diff --git a/HEN_HOUSE/doc/src/pirs898-egs++/common.doxy b/HEN_HOUSE/doc/src/pirs898-egs++/common.doxy
@@ -309,7 +309,7 @@ The Monte Carlo transport parameters have important and significant influence on
  Electron-step algorithm = PRESTA-II # PRESTA-II (default),PRESTA-I
  Spin effects = On # On (default),Off
  Brems angular sampling = KM # Simple,KM (default)
- Brems cross sections = BH # BH (default),NIST
+ Brems cross sections = BH # BH (default), NIST, NRC
  Pair angular sampling = Simple # Off, Simple (default),KM
  Triplet production = Off # On or Off (default)
  Electron Impact Ionization = Off # On, Off (default), casnati, kolbenstvedt, gryzinski

diff --git a/HEN_HOUSE/interface/egs_interface2.h b/HEN_HOUSE/interface/egs_interface2.h
@@ -419,12 +419,14 @@ struct EGS_XOptions {
  /*! Determines the bremsstrahlung cross sections differential in the
  photon energy to be used for sampling the photon energy.
  If set to 0, the Bethe-Heitler high energy approximation will be
- used, if set to 1 the NIST tabulations provided by Steve Seltzer
- will be employed. Default is 0.
+ used. If set to 1, the NIST tabulations provided by Steve Seltzer
+ will be employed. If set to 2, the NRC brems data will be used,
+ which is a modified version of the NIST data with corrected
+ electron-electron brems contributions. Default is 0.
 
  Can be set in the input file using
  \verbatim
- Brems cross sections= BH or NIST
+ Brems cross sections= BH or NIST or NRC
  \endverbatim
  */
  EGS_I32 ibr_nist;