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fix of fix concerning cyclotron background correction for asymmetry fits (MUSR-175). For single histogram fits, the chisq/maxLH is now estimated correctly (see ChangeLog for more details)

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nemu
2011-02-06 14:30:07 +00:00
parent 5c6331f51f
commit 20665da9eb
3 changed files with 17 additions and 11 deletions
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2
src/classes/PRunAsymmetry.cpp
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@ -693,7 +693,7 @@ Bool_t PRunAsymmetry::SubtractEstimatedBkg()
// calculate proper background range
for (UInt_t i=0; i<2; i++) {
if (beamPeriod != 0.0) {
Double_t timeBkg = (Double_t)(end-start)*(fTimeResolution*fRunInfo->GetPacking()); // length of the background intervall in time
Double_t timeBkg = (Double_t)(end[i]-start[i])*(fTimeResolution*fRunInfo->GetPacking()); // length of the background intervall in time
UInt_t fullCycles = (UInt_t)(timeBkg/beamPeriod); // how many proton beam cylces can be placed within the proposed background intervall
// correct the end of the background intervall such that the background is as close as possible to a multiple of the proton cylce
end[i] = start[i] + (UInt_t) ((fullCycles*beamPeriod)/(fTimeResolution*fRunInfo->GetPacking()));