From 6717f5d8708846ea0f37e0aa382a845aa19a0334 Mon Sep 17 00:00:00 2001 From: Max Orok Date: Fri, 27 May 2022 13:34:13 -0400 Subject: [PATCH] Document NRC bremsstrahlung cross section option --- HEN_HOUSE/doc/src/pirs898-egs++/common.doxy | 2 +- HEN_HOUSE/interface/egs_interface2.h | 8 +++++--- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/HEN_HOUSE/doc/src/pirs898-egs++/common.doxy b/HEN_HOUSE/doc/src/pirs898-egs++/common.doxy index 2e9ec134b..a2c2e4a21 100644 --- 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 index 38b109a5d..6baeca119 100644 --- 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;