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slha-reinit-fix #31

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slha-reinit-fix #31

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11 changes: 10 additions & 1 deletion src/SLHAinterface.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -410,6 +410,13 @@ bool SLHAinterface::initSLHA(Settings& settings,
"for unknown id = {" + idCode.str() + "}", true);
continue;
}
// Catch multiple re-inits of SLHA data
if ( mass != particleDataPtr-> m0(id) && (
( particleDataPtr->hasChangedMMin(id) &&
particleDataPtr->mMin(id) > mass ) ||
( particleDataPtr->hasChangedMMax(id) &&
particleDataPtr->mMax(id) < mass ) ) )
particleDataPtr->findParticle(id)->setHasChanged(false);
particleDataPtr->m0(id,mass);
idModified[id] = true;
importMass.push_back(id);
Expand Down Expand Up @@ -722,7 +729,9 @@ bool SLHAinterface::initSLHA(Settings& settings,
else {
// mMin: lower cutoff on Breit-Wigner; see above.
// Increase minimum if needed to ensure at least one channel on shell
double mMin = max(mSumMin, particlePtr->mMin());
double mMin1 = particlePtr->mMin();
double mMin0 = (mMin1 < m0 ) ? mMin1 : min(m0-0.5*wid,0.5*m0);
double mMin = max(mSumMin, mMin0);
particlePtr->setMMin(mMin);
}
}
Expand Down