1) fix signal/peakingBG in data, count MC events: http://www.slac.stanford.edu/~bozzi/scra/Ibutest_fixed_counttag/ 2) fix signal/peakingBG in data&MC, fit mes in MC as well (instead of counting) http://www.slac.stanford.edu/~bozzi/scra/Ibutest_fixed_nocounttag/ 3) don't fix signal/pekaingBG in data, count MC events: http://www.slac.stanford.edu/~bozzi/scra/Ibutest_nofixed_counttag/ 4) don't fix signal/peakingBG in data&MC, fit mes in MC as well (instead of counting), this is equivalent to the studies in the BAD http://www.slac.stanford.edu/~bozzi/scra/Ibutest_nofixed_nocounttag/