Fit Type B:  Fit the mass peak for the signal region definition
Obtain the error on the signal region definition from that fit:
Mean: 3.09354
Sigma:0.015652
Norm: 12571.9
Signal fraction: 0.911657+/-0.00157229
The Pt cut is: 5<= pt < 7
The fitted value of tau:       0.044624+/-0.0012005
The fitted value of Lambda+:   0.032112+/-0.00251929
The fitted value of Lambda-:   0.0204972+/-0.00203513
The fitted value of LambdaSym: 0.066+/-0.255934
The fitted value of F+:        0.151781+/-0.00921183
The fitted value of F-:        0.100984+/-0.00850337
The fitted value of FSym:      0.0249354+/-0.00345323
The fitted value of Scale:     1.06913+/-0.00883952
The fitted value of alpha:     0.910063+/-0.00154278
The fitted value of Bfrac:     0.165189+/-0.00419718