Difference: MassFitting (11 vs. 12)

Revision 122010-09-26 - LarsEklund

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G-Fact Mass Fitting

Validation of signal fraction fitter (Lars)

To validate the signal fraction fitter (aka mass fitter) a series of data sets were generated with different mixes of signals and combinatoric background were generated. Each data set has approximately 1000 toy data sets with 100k events each. All data sets are located in /data/lhcb01/eklund/B2hhToyData/, in sub-directories as given below.

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Mass Peaks from real data

Mass peaks of the different signal classes from approximately 2 pb^-1 of data. The difference between the plots is the use of the K-pi separation. The cut on DLL_PIDK is done at 0 for these plots.

Event mix: Bd -> π π, Bd -> K π and combinatoric background

Directory: BdMix _561pipi_103Kpi/, 1000 data sets, 100k events each

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