python.RatesScanTrigger Namespace Reference

Classes
class	RatesScanTrigger

Functions
	apply_pileup_correction (hist_cumulative, metadata)

Variables
	log = logging.getLogger('RatesScanTrigger')

Detailed Description

@file RatesScanTrigger.py
@brief Accumulator class to buffer data for a single scan trigger and export this to ROOT

Function Documentation

apply_pileup_correction()

python.RatesScanTrigger.apply_pileup_correction	(		hist_cumulative,
			metadata )

Apply pileup correction to cumulative histogram

Definition at line 14 of file RatesScanTrigger.py.

def apply_pileup_correction(hist_cumulative, metadata):
    """Apply pileup correction to cumulative histogram"""
 
    BCR = metadata['bunchCrossingRate']
    pileup = metadata['targetMu']
    
    # Create corrected histogram
    hist_pileup_corrected = hist_cumulative.Clone(f"{hist_cumulative.GetName()}_pileup_corrected")
    
    # Apply pileup correction formula to each bin
    for bin in range(1, hist_pileup_corrected.GetNbinsX() + 1):
        bin_value = hist_cumulative.GetBinContent(bin)
        P_scatter = bin_value / BCR / pileup
        corrected_value = BCR * (1.0 - pow(1.0 - P_scatter, pileup))
        hist_pileup_corrected.SetBinContent(bin, corrected_value)
        
        # Propagate errors
        bin_error = hist_cumulative.GetBinError(bin)
        if bin_value > 0:
            error_scale = corrected_value / bin_value 
            hist_pileup_corrected.SetBinError(bin, bin_error * error_scale)
        else:
            hist_pileup_corrected.SetBinError(bin, 0)
    
    return hist_pileup_corrected
 
 

Variable Documentation

log

python.RatesScanTrigger.log = logging.getLogger('RatesScanTrigger')

Definition at line 11 of file RatesScanTrigger.py.