importing root, please wait ... ...root imported Using root file /twist/tw00y/systematics//data/set72/anal2/goodlinks/run42406/042406.root using z positions from 2006/7 MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 5.45852e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -1.0544e+04 9.4649e-01 9.7985e-01 1.0166e+00 1.0706e+00 1.0844e+00 1.0546e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 10554.658878 TO DIAGONAL. EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.9840e-02 5.2955e-02 2.7921e-01 8.9238e-01 9.4783e-01 1.7034e+00 3.1840e+00 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 0.063024 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 1.25289e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.6847e+03 9.6385e-01 9.8996e-01 1.0015e+00 1.0088e+00 1.0373e+00 5.6867e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5690.364540 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 1.2529e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.6840e+03 9.6462e-01 9.9028e-01 1.0014e+00 1.0086e+00 1.0364e+00 5.6860e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5689.684525 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 1.2529e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.6839e+03 9.6462e-01 9.9029e-01 1.0014e+00 1.0086e+00 1.0364e+00 5.6859e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5689.560461 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== 1.10068e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -7.8876e+02 -7.4332e-02 8.2647e-01 9.1921e-01 1.0769e+00 2.3005e+00 7.9071e+02 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 789.547881 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== 1.10167e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -7.1509e+02 -7.7225e-02 8.2675e-01 9.1888e-01 1.0765e+00 2.3037e+00 7.1704e+02 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 715.806580 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 1.25289e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.6847e+03 9.6385e-01 9.8996e-01 1.0015e+00 1.0088e+00 1.0373e+00 5.6867e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5690.364540 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 1.2529e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.6840e+03 9.6462e-01 9.9028e-01 1.0014e+00 1.0086e+00 1.0364e+00 5.6860e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5689.684525 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 1.2529e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.6839e+03 9.6462e-01 9.9029e-01 1.0014e+00 1.0086e+00 1.0364e+00 5.6859e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5689.560461 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 1.10341e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.7231e+03 9.7886e-01 9.9316e-01 9.9996e-01 1.0033e+00 1.0442e+00 2.7251e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 2725.850440 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 1.10337e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.5975e+03 9.7890e-01 9.9396e-01 9.9997e-01 1.0038e+00 1.0436e+00 2.5995e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 2600.092605 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 1.10216e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.5961e+03 9.7890e-01 9.9397e-01 9.9997e-01 1.0039e+00 1.0436e+00 2.5981e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 2598.699419 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 2.62548e+09 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.8921e+04 9.7162e-01 9.9467e-01 1.0000e-00 1.0092e+00 1.0535e+00 2.8923e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 28950.241775 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 2.62539e+09 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.8921e+04 9.7167e-01 9.9483e-01 1.0000e-00 1.0091e+00 1.0534e+00 2.8923e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 28950.039355 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 2.62449e+09 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.8924e+04 9.7167e-01 9.9483e-01 1.0000e-00 1.0091e+00 1.0535e+00 2.8926e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 28953.358083 TO DIAGONAL. EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.0633e-02 1.2708e-01 3.5692e-01 6.9363e-01 1.4687e+00 1.9978e+00 2.3765e+00 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 0.023010 TO DIAGONAL. MINUIT WARNING IN MIGRAD ============== VARIABLE4 IS AT ITS LOWER ALLOWED LIMIT. MINUIT WARNING IN MIGRAD ============== VARIABLE4 IS AT ITS LOWER ALLOWED LIMIT. MINUIT WARNING IN MIGRAD ============== VARIABLE4 IS AT ITS LOWER ALLOWED LIMIT. MINUIT WARNING IN MIGRAD ============== VARIABLE4 IS AT ITS LOWER ALLOWED LIMIT. MINUIT WARNING IN MIGRAD ============== VARIABLE4 IS AT ITS LOWER ALLOWED LIMIT. MINUIT WARNING IN MIGRAD ============== VARIABLE4 IS AT ITS LOWER ALLOWED LIMIT. MINUIT WARNING IN MIGRAD ============== VARIABLE4 IS AT ITS LOWER ALLOWED LIMIT. MINUIT WARNING IN PARAMETR ============== VARIABLE2 BROUGHT BACK INSIDE LIMITS. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN HESSE ============== 2.25423e+09 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.9100e+04 9.6017e-01 9.9975e-01 9.9996e-01 1.0007e+00 1.0549e+00 2.9102e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 29128.716925 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== 6.50331e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.2716e+01 2.8720e-01 5.1107e-01 9.3253e-01 1.0014e+00 2.1669e+00 5.4817e+01 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 52.770949 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== 6.50331e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.1699e+01 2.8762e-01 5.1146e-01 9.3377e-01 1.0015e+00 2.1664e+00 5.3798e+01 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 51.753008 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== 6.5033e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.1498e+01 2.8762e-01 5.1144e-01 9.3374e-01 1.0015e+00 2.1665e+00 5.3598e+01 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 51.551886 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== 6.50261e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.1486e+01 2.8763e-01 5.1142e-01 9.3364e-01 1.0014e+00 2.1666e+00 5.3586e+01 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 51.539898 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== 6.49823e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.2149e+01 2.8743e-01 5.1182e-01 9.3190e-01 1.0014e+00 2.1662e+00 5.4250e+01 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 52.203291 TO DIAGONAL. MINUIT WARNING IN MIGRAD ============== Negative diagonal element 1 in Error Matrix MINUIT WARNING IN MIGRAD ============== 1.00176 added to diagonal of error matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== 5.76392e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.3297e+03 2.8754e-01 9.9986e-01 1.0014e+00 1.0551e+00 5.3324e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5335.060351 TO DIAGONAL. MINUIT WARNING IN MIGRAD ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN MIGRAD ============== 1.00001 added to diagonal of error matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== 395288 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -1.8575e+03 9.8330e-01 9.9886e-01 1.0010e+00 1.0138e+00 1.8595e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 1859.355861 TO DIAGONAL. MINUIT WARNING IN MIGRAD ============== Negative diagonal element 1 in Error Matrix MINUIT WARNING IN MIGRAD ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN MIGRAD ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN MIGRAD ============== 1.00001 added to diagonal of error matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 1 in Error Matrix MINUIT WARNING IN HESSE ============== 2.95951e+06 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.9024e+02 8.4118e-03 2.0212e-01 7.6127e-01 1.6306e+00 2.9364e+02 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 290.534327 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== 732439 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -4.4549e+02 4.2873e-02 4.8388e-01 9.2289e-01 1.2383e+00 4.4881e+02 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 445.942196 TO DIAGONAL. MINUIT WARNING IN MIGRAD ============== VARIABLE2 IS AT ITS LOWER ALLOWED LIMIT. MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== 1.76897e+10 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.1285e+04 9.8865e-01 9.9908e-01 1.0000e+00 1.0217e+00 2.1287e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 21306.657393 TO DIAGONAL. MINUIT WARNING IN HESSE ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN HESSE ============== 1.86673e+10 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -9.8377e+04 9.9223e-01 1.0000e-00 1.0055e+00 1.0823e+00 9.8379e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 98475.840925 TO DIAGONAL. MINUIT WARNING IN MIGRAD ============== Negative diagonal element 1 in Error Matrix MINUIT WARNING IN MIGRAD ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN MIGRAD ============== Negative diagonal element 3 in Error Matrix MINUIT WARNING IN MIGRAD ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN MIGRAD ============== Negative diagonal element 5 in Error Matrix MINUIT WARNING IN MIGRAD ============== Negative diagonal element 6 in Error Matrix MINUIT WARNING IN MIGRAD ============== 1 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.3395e-01 -2.0794e-01 3.9549e-01 1.0281e+00 2.1278e+00 3.1905e+00 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 0.537145 TO DIAGONAL. NEW MINIMUM FOUND. GO BACK TO MINIMIZATION STEP. ================================================= V V V VVVVVVV VVVVV VVV V all fit results: {'A': [0.039777614711074272, 0.00062206907855313909], 'Dx': [0.200444124998441, 0.00040568607049440431], 'chisquare': 1825.892833366114, 'L': [32.397406971351408, 0.29145874874395261], 'A_d': [0.00043113347479889486, 2.5199445473106374e-05], 'L_d': [0.27427968976262107, 0.0059486125803060452], 'Dy': [-0.01704497386051429, 0.00037987691658969425], 'phase': [-28.090300041479594, 0.020256275844204197]} {'A': [0.039777658548740547, 0.00062175979791093128], 'Dx': [0.20044409460322221, 0.00040556512376976883], 'chisquare': 1825.8928333968377, 'L': [32.397417737397241, 0.2915283783823277], 'A_d': [0.00043113437674546784, 2.521533438304413e-05], 'L_d': [0.27427994074010598, 0.0059513542121733543], 'Dy': [-0.017045001088348499, 0.00037966170514636133], 'phase': [-9.2407441848011729, 0.02024358177099117]} {'A': [0.039777615428759072, 0.00062135855592282407], 'Dx': [0.20044412567773406, 0.00040546083833348234], 'chisquare': 1825.8928333660306, 'L': [32.397409191170667, 0.29128469197969054], 'A_d': [0.00043113350070689282, 2.5185195250992942e-05], 'L_d': [0.2742797313704326, 0.0059458117428766721], 'Dy': [-0.017044974494888621, 0.00037968823565748266], 'phase': [-2.9575586179673792, 0.020241075725877522]} {'A': [0.039777684596843943, 0.00062189910003812576], 'Dx': [0.20044415998259346, 0.00040562290120860212], 'chisquare': 1825.8928343343043, 'L': [32.397412763806408, 0.29158358892042813], 'A_d': [0.00043113146392093071, 2.5216949923190235e-05], 'L_d': [0.27427908671044632, 0.005952227407567956], 'Dy': [-0.017045247262609919, 0.00037971329674579835], 'phase': [91.290230537636887, 0.020248476755796219]} {'A': [0.05225171751440133, 0.00067375831976537737], 'Dx': [0.20674083097788731, 0.00052718348364777512], 'chisquare': 2536.7466657131017, 'L': [46.641858166200947, 1.322623251592681], 'A_d': [0.001703979656586474, 3.4125376265292662e-05], 'L_d': [0.44850084250798739, 0.025633961344813883], 'Dy': [-0.015621191391392841, 0.00040715239823274629], 'phase': [41.421169125883182, 0.026847239461517347]} {'A': [0.047928184186752376, 0.00065691535453035743], 'Dx': [0.20404208619412145, 0.00045229655710166128], 'chisquare': 3365.3833953830735, 'L': [42.004278111110473, 0.40623512390398986], 'A_d': [0.0014788068025708978, 2.4195586372427469e-05], 'L_d': [3.0729363498238627e-11, 0.00047504208605717024], 'Dy': [-0.015984132923374972, 0.00046176952324294973], 'phase': [91.719185951164491, 0.019862640533190756]} {'A': [0.014826804936669269, 0.0005800191085808537], 'Dx': [0.19133225397134979, 0.00039688279152816364], 'chisquare': 7364.7115431610619, 'L': [15.578489188109723, 0.032022473923165151], 'A_d': [0.0009699436373691861, 2.3902155400046254e-05], 'L_d': [0.00099784632458355116, 8.0842759614396797e-07], 'Dy': [-0.011802613187468225, 0.00034749309662363004], 'phase': [84.390082897493869, 0.0066506214430006594]} final fit results: chi = 1825.89283337 A = 0.039778 +/- 0.000621 A_d = 0.000431 +/- 0.000025 L = 32.397409 +/- 0.291285 L_d = 0.274280 +/- 0.005946 phase = -2.957559 +/- 0.020241 Dx = 0.200444 +/- 0.000405 Dy = -0.017045 +/- 0.000380