Fit Type B:  Fit the mass peak for the signal region definition
Obtain the error on the signal region definition from that fit:
Mean: 3.0944
Sigma:0.0172129
Norm: 6332.8
Signal fraction: 0.927335+/-0.00209359
The Pt cut is: 7<= pt < 10
The fitted value of tau:       0.0473112+/-0.00136839
The fitted value of Lambda+:   0.0311378+/-0.00298308
The fitted value of Lambda-:   0.0172927+/-0.00301394
The fitted value of LambdaSym: 0.066+/-0.255934
The fitted value of F+:        0.215859+/-0.0175257
The fitted value of F-:        0.105681+/-0.0139658
The fitted value of FSym:      0.0337142+/-0.00660971
The fitted value of Scale:     1.10035+/-0.0131817
The fitted value of alpha:     0.925775+/-0.0020546
The fitted value of Bfrac:     0.23327+/-0.00592894