Fit execution ... PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 f_Bdpipi 1.50000e-01 1.00000e-03 0.00000e+00 4.00000e-01 ********** ** 2 **SET NOGRAD ********** PDF mode: 2 ********** ** 3 **SET STRAT 2 ********** NOW USING STRATEGY 2: MAKE SURE MINIMUM TRUE, ERRORS CORRECT ********** ** 4 **MIGRAD 5000 0.1 ********** FIRST CALL TO USER FUNCTION AT NEW START POINT, WITH IFLAG=4. START MIGRAD MINIMIZATION. STRATEGY 2. CONVERGENCE WHEN EDM .LT. 1.00e-04 START COVARIANCE MATRIX CALCULATION. MINUIT WARNING IN HESSE ============== Negative diagonal element 13 in Error Matrix MINUIT WARNING IN HESSE ============== 13.7763 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -8.5491e-01 -1.9170e-01 2.7962e-01 2.9526e-01 3.3830e-01 5.2080e-01 6.3554e-01 6.6956e-01 7.0227e-01 7.6864e-01 8.1691e-01 9.1534e-01 9.4151e-01 9.7826e-01 1.0166e+00 1.0634e+00 1.1040e+00 1.1585e+00 2.1306e+00 2.1479e+00 2.2562e+00 2.4702e+00 2.8372e+00 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 0.857744 TO DIAGONAL. FCN=47188.7 FROM HESSE STATUS=NOT POSDEF 424 CALLS 425 TOTAL EDM=16422.7 STRATEGY= 2 ERR MATRIX NOT POS-DEF FCN=47175.9 FROM MIGRAD STATUS=PROGRESS 483 CALLS 484 TOTAL EDM=179.43 STRATEGY= 2 ERR MATRIX NOT POS-DEF MIGRAD FAILS TO FIND IMPROVEMENT START COVARIANCE MATRIX CALCULATION. EIGENVALUES OF SECOND-DERIVATIVE MATRIX: 1.3729e-01 1.8472e-01 1.9412e-01 3.3872e-01 4.9230e-01 5.0702e-01 5.9666e-01 6.1077e-01 6.4211e-01 7.1325e-01 7.8602e-01 8.9532e-01 9.2745e-01 9.7641e-01 1.0044e+00 1.0506e+00 1.0907e+00 1.1887e+00 1.5263e+00 1.7716e+00 2.3300e+00 2.3710e+00 2.6645e+00 COVARIANCE MATRIX CALCULATED SUCCESSFULLY FCN=47158.5 FROM HESSE STATUS=OK 374 CALLS 1380 TOTAL EDM=0.0210714 STRATEGY= 2 ERROR MATRIX ACCURATE FCN=47158.5 FROM MIGRAD STATUS=PROGRESS 1431 CALLS 1432 TOTAL EDM=0.00640934 STRATEGY= 2 ERROR MATRIX ACCURATE MIGRAD FAILS TO FIND IMPROVEMENT MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. START COVARIANCE MATRIX CALCULATION. EIGENVALUES OF SECOND-DERIVATIVE MATRIX: 1.3815e-01 1.8411e-01 1.9439e-01 3.3885e-01 5.0435e-01 5.9617e-01 6.1059e-01 6.4210e-01 6.8174e-01 7.2105e-01 7.8615e-01 8.9571e-01 9.2738e-01 9.7647e-01 1.0048e+00 1.0492e+00 1.0897e+00 1.1884e+00 1.4009e+00 1.7073e+00 2.3302e+00 2.3708e+00 2.6617e+00 COVARIANCE MATRIX CALCULATED SUCCESSFULLY FCN=47158.5 FROM HESSE STATUS=OK 388 CALLS 1935 TOTAL EDM=0.000298393 STRATEGY= 2 ERROR MATRIX ACCURATE FCN=47158.5 FROM MIGRAD STATUS=PROGRESS 1983 CALLS 1984 TOTAL EDM=0.000294344 STRATEGY= 2 ERROR MATRIX ACCURATE MINUIT WARNING IN MIGRAD ============== Negative diagonal element 22 in Error Matrix MINUIT WARNING IN MIGRAD ============== 1.74891 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: 9.0744e-01 9.6555e-01 9.6843e-01 9.9269e-01 9.9657e-01 9.9850e-01 9.9937e-01 9.9964e-01 9.9986e-01 9.9994e-01 9.9996e-01 1.0000e-00 1.0000e+00 1.0000e+00 1.0002e+00 1.0004e+00 1.0007e+00 1.0015e+00 1.0026e+00 1.0031e+00 1.0230e+00 1.0400e+00 1.1004e+00 ........... MIGRAD FAILS TO FIND IMPROVEMENT MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. START COVARIANCE MATRIX CALCULATION. EIGENVALUES OF SECOND-DERIVATIVE MATRIX: 1.3815e-01 1.8429e-01 1.9506e-01 3.3898e-01 5.0454e-01 5.9636e-01 6.1067e-01 6.4212e-01 7.1235e-01 7.6321e-01 7.8657e-01 8.9592e-01 9.2745e-01 9.7655e-01 1.0046e+00 1.0469e+00 1.0889e+00 1.1882e+00 1.3426e+00 1.6953e+00 2.3299e+00 2.3707e+00 2.6607e+00 COVARIANCE MATRIX CALCULATED SUCCESSFULLY MIGRAD TERMINATED WITHOUT CONVERGENCE. FCN=47158.5 FROM MIGRAD STATUS=FAILED 2499 CALLS 2500 TOTAL EDM=0.000198266 STRATEGY= 2 ERR MATRIX APPROXIMATE