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The measurement of the structure function is equivalent to
the measurement of the differential cross section
.
Therefore,
we need to unfold
the measured distribution to get the (``true'') number of the
events in the selected bins.
Known the , the likelihood
that effect (an observed event reconstructed in the bin )
is due to cause , and ,
the measured number of events in the bin ,
the unfolded number of events due to the is
given by:
|
(1) |
where
is the
efficiency of detecting an event generated by .
The elements are calculated by the Bayes' theorem:
|
(2) |
Giulio D'Agostini
2004-05-05