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Adding Wmin for Non-RES background #340

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Adding Wmin for Non-RES background #340

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ccba6aa
adding default structure
jtenavidal Oct 23, 2023
7edf490
adding Wcutmin
jtenavidal Oct 23, 2023
c95927c
update
jtenavidal Oct 23, 2023
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4 changes: 3 additions & 1 deletion config/KNOTunedQPMDISPXSec.xml
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Expand Up @@ -12,6 +12,7 @@ DISModel alg no It must be QPMDISPXSec

UseCache bool Yes Cache suppression factors? true
Wcut double no CommonParam[NonResBackground]
Wcutmin double Yes 0
-->

<alg_conf>
Expand All @@ -20,9 +21,10 @@ Wcut double no Co

<param type="string" name="CommonParam"> NonResBackground </param>

<param type="alg" name="DISModel"> genie::QPMDISPXSec/Default </param>
<param type="alg" name="DISModel"> genie::QPMDISPXSec/Default </param>
<param type="alg" name="Hadronizer"> genie::AGKYLowW2019/Default </param>
<param type="double" name="NRB-EM-XSecScale"> 1. </param>
<param type="double" name="Wcutmin"> 0. </param>
</param_set>

</alg_conf>
4 changes: 3 additions & 1 deletion src/Physics/DeepInelastic/XSection/KNOTunedQPMDISPXSec.cxx
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Expand Up @@ -103,7 +103,8 @@ double KNOTunedQPMDISPXSec::DISRESJoinSuppressionFactor(
//
double R=0, Ro=0;

const double Wmin = kNeutronMass + kPionMass + 1E-3;
double Wmin = kNeutronMass + kPionMass + 1E-3;
if( Wmin < fWcutmin ) Wmin = fWcutmin ;

const InitialState & ist = in->InitState();
const ProcessInfo & pi = in->ProcInfo();
Expand Down Expand Up @@ -235,6 +236,7 @@ void KNOTunedQPMDISPXSec::LoadConfig(void)
assert(fHadronizationModel);

GetParam( "Wcut", fWcut ) ;
GetParam( "Wcutmin", fWcutmin ) ;
GetParam( "NRB-EM-XSecScale", fNRBEMScale );

if ( fWcut <= 0. ) {
Expand Down
1 change: 1 addition & 0 deletions src/Physics/DeepInelastic/XSection/KNOTunedQPMDISPXSec.h
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Expand Up @@ -56,6 +56,7 @@ class KNOTunedQPMDISPXSec : public XSecAlgorithmI {

bool fUseCache; ///< cache reduction factors used in joining scheme
double fWcut; ///< apply DIS/RES joining scheme < Wcut
double fWcutmin; ///< Limit to the Non-Resonant background coverage. Below < Wcutmin, only RES is considered
double fNRBEMScale; ///< apply NRB EM Scale factor
};

Expand Down