importing root, please wait ... ...root imported Using root file /twist/tw00y/systematics//data/set72/anal2/goodlinks/run41794/041794.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 ============== 5.23091e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -1.0781e+04 9.4610e-01 9.7974e-01 1.0169e+00 1.0737e+00 1.0827e+00 1.0783e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 10791.942351 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 ============== 9.7728e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.7466e+03 9.5860e-01 9.8785e-01 1.0019e+00 1.0107e+00 1.0423e+00 5.7486e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5752.355090 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 ============== 9.77288e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.7458e+03 9.5968e-01 9.8822e-01 1.0018e+00 1.0105e+00 1.0411e+00 5.7478e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5751.513447 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 ============== 9.77289e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.7456e+03 9.5969e-01 9.8822e-01 1.0018e+00 1.0105e+00 1.0411e+00 5.7476e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5751.369658 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 HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== 1.05572e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -7.6784e+02 1.5471e-02 8.2055e-01 9.2247e-01 1.0742e+00 2.1597e+00 7.6985e+02 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 768.609831 TO DIAGONAL. MINUIT WARNING IN MIGRAD ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN MIGRAD ============== 1 added to diagonal of error matrix MINUIT WARNING IN HESSE ============== Negative diagonal element 2 in Error Matrix MINUIT WARNING IN HESSE ============== 559440 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -3.4629e+03 -9.2746e-01 3.7791e-01 9.1452e-01 1.0881e+00 3.5642e+00 3.4649e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 3466.393033 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 MINUIT WARNING IN HESSE ============== Negative diagonal element 4 in Error Matrix MINUIT WARNING IN HESSE ============== 111072 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -7.6713e+02 -9.5751e-02 5.6655e-01 9.0168e-01 1.0894e+00 5.4490e+00 7.6622e+02 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 767.892979 TO DIAGONAL. EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -1.0342e-02 2.1395e-01 6.3172e-01 8.7617e-01 1.2241e+00 1.8892e+00 2.1752e+00 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 0.012518 TO DIAGONAL. EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -1.0787e-02 6.4483e-01 8.2856e-01 1.1442e+00 1.2387e+00 2.1545e+00 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 0.012942 TO DIAGONAL. EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -1.1133e-02 6.4873e-01 8.2897e-01 1.1448e+00 1.2365e+00 2.1522e+00 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 0.013285 TO DIAGONAL. EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -3.9701e-03 6.5266e-01 7.2115e-01 1.2107e+00 1.2605e+00 2.1590e+00 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 0.006129 TO DIAGONAL. EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -4.0726e-03 6.5989e-01 7.2208e-01 1.2115e+00 1.2612e+00 2.1494e+00 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 0.006222 TO DIAGONAL. NEW MINIMUM FOUND. GO BACK TO MINIMIZATION STEP. ================================================= V V V VVVVVVV VVVVV VVV V 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 ============== 9.7728e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.7466e+03 9.5860e-01 9.8785e-01 1.0019e+00 1.0107e+00 1.0423e+00 5.7486e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5752.355090 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 ============== 9.77288e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.7458e+03 9.5968e-01 9.8822e-01 1.0018e+00 1.0105e+00 1.0411e+00 5.7478e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5751.513447 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 ============== 9.77289e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -5.7456e+03 9.5969e-01 9.8822e-01 1.0018e+00 1.0105e+00 1.0411e+00 5.7476e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 5751.369658 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 ============== 1.09919e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.7598e+03 9.7942e-01 9.9320e-01 9.9995e-01 1.0032e+00 1.0433e+00 2.7618e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 2762.561081 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 ============== 1.09914e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.6241e+03 9.7945e-01 9.9354e-01 9.9993e-01 1.0023e+00 1.0416e+00 2.6260e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 2626.688053 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 ============== 1.09867e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.6039e+03 9.7942e-01 9.9200e-01 9.9971e-01 1.0007e+00 1.0389e+00 2.6059e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 2606.474075 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 ============== 2.62884e+09 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.8507e+04 9.7232e-01 9.9481e-01 1.0000e+00 1.0095e+00 1.0538e+00 2.8509e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 28535.097933 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 ============== 5.23557e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.4375e+03 2.3144e-01 3.9671e-01 9.3362e-01 1.0198e+00 1.7932e+00 2.4402e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 2439.977848 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 ============== 5.23558e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.4369e+03 2.3589e-01 3.9541e-01 9.3253e-01 1.0194e+00 1.7922e+00 2.4395e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 2439.321654 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 ============== 5.23562e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.4364e+03 2.3567e-01 3.9542e-01 9.3246e-01 1.0194e+00 1.7923e+00 2.4390e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 2438.850191 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 ============== 5.23629e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.4362e+03 2.3565e-01 3.9546e-01 9.3244e-01 1.0194e+00 1.7923e+00 2.4388e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 2438.636343 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 ============== 5.24071e+07 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.4346e+03 2.3597e-01 3.9590e-01 9.3227e-01 1.0195e+00 1.7920e+00 2.4372e+03 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 2437.028410 TO DIAGONAL. NEW MINIMUM FOUND. GO BACK TO MINIMIZATION STEP. ================================================= V V V VVVVVVV VVVVV VVV V 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 ============== 2.2492e+09 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -2.8688e+04 9.6108e-01 9.9982e-01 9.9996e-01 1.0009e+00 1.0552e+00 2.8690e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 28716.726964 TO DIAGONAL. 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 ============== 1.00028 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 ============== 1.18225e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -1.3136e+04 8.6100e-01 9.9794e-01 1.0007e+00 1.0509e+00 2.3243e+00 1.3137e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 13149.445098 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 ============== 1.18225e+08 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -1.3103e+04 8.6011e-01 9.9798e-01 1.0007e+00 1.0505e+00 2.3268e+00 1.3103e+04 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 13115.742420 TO DIAGONAL. MINUIT WARNING IN MIGRAD ============== Negative diagonal element 1 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 7 in Error Matrix MINUIT WARNING IN MIGRAD ============== 1.10389 added to diagonal of error matrix EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -8.6948e-01 2.9532e-02 1.6829e-01 2.9491e-01 1.2233e+00 1.7571e+00 4.3963e+00 MINUIT WARNING IN HESSE ============== MATRIX FORCED POS-DEF BY ADDING 0.873876 TO DIAGONAL. EIGENVALUES OF SECOND-DERIVATIVE MATRIX: -8.2387e-01 5.2276e-02 4.0638e-01 5.5332e-01 1.1505e+00 1.4848e+00 4.1766e+00 MINUIT WARNING IN MIGRAD ============== MATRIX FORCED POS-DEF BY ADDING 0.828047 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. all fit results: {'A': [0.050546409889425381, 0.00067331635990167116], 'Dx': [0.20544746537425773, 0.00046605034204993956], 'chisquare': 2248.5395636650137, 'L': [50.815683778236561, 1.0697680475920066], 'A_d': [0.0017370753471819267, 2.7901142420155844e-05], 'L_d': [0.52867508686536446, 0.02109189920057114], 'Dy': [-0.01433151493539242, 0.00042023945165503562], 'phase': [-33.847618223059371, 0.021845908598287167]} {'A': [0.046743463598935553, 0.00069060030646161952], 'Dx': [0.20293177352251668, 0.00047855352980619159], 'chisquare': 3068.7113596046529, 'L': [43.980584399345645, 0.44521121706383582], 'A_d': [0.0014503583484651306, 2.5021206921133077e-05], 'L_d': [3.8226144472019996e-11, 0.00062308610251554652], 'Dy': [-0.01563553841412535, 0.0004759491003678562], 'phase': [72.990662617949624, 0.020361235175769821]} {'A': [0.046555928347110642, 0.00060437271337671072], 'Dx': [0.19933940570836306, 0.00038129869060021804], 'chisquare': 2248.0624172855905, 'L': [40.851843241532357, 0.00011618357286025116], 'A_d': [0.0012952389422832833, 2.3989199499974134e-05], 'L_d': [0.82172477665097043, 3.6022450133899042e-08], 'Dy': [-0.011645064786486969, 0.00037907777268308962], 'phase': [-2.870711576095303, 0.013350766863325703]} {'A': [0.037063881276065969, 0.00063012566826975425], 'Dx': [0.19808874384473718, 0.0004097800472289137], 'chisquare': 1845.1121404882012, 'L': [32.06034663765972, 0.30436425481442519], 'A_d': [0.00037561933274155024, 2.5568625847433024e-05], 'L_d': [0.26675532767509502, 0.0061707450448139356], 'Dy': [-0.015402773038294626, 0.00038286287464206481], 'phase': [91.357840575829243, 0.02154683133548474]} {'A': [0.050546076060792866, 0.00067501987592075152], 'Dx': [0.2054473526523104, 0.00046787606920162261], 'chisquare': 2248.5395643822048, 'L': [50.815694621949213, 1.0714272129743527], 'A_d': [0.0017370646733628758, 2.7978874861639413e-05], 'L_d': [0.52867642704001661, 0.021119054662261771], 'Dy': [-0.014331490113772105, 0.00042102869932048037], 'phase': [60.400160593598002, 0.021918112683948721]} {'A': [0.5009569022478586, 5.6264797858585069e-05], 'Dx': [0.0507570935423729, 0.00034773331885507019], 'chisquare': 521516.44469481031, 'L': [6.6102449905394209, 0.0028932719929017914], 'A_d': [0.015517580200080761, 1.5427303671655679e-05], 'L_d': [0.053267987284585039, 5.6906033409825918e-05], 'Dy': [-0.06201184818475447, 0.00026831912788960466], 'phase': [76.739362482705928, 0.0025692147962104173]} {'A': [0.046743789627700927, 0.00069313580532734398], 'Dx': [0.20293209813416269, 0.00047953672480094411], 'chisquare': 3068.7113620603041, 'L': [43.980609705843641, 0.44780212456798196], 'A_d': [0.0014503452785086246, 2.5070417173728154e-05], 'L_d': [4.5772791112952405e-10, 0.00062306312590526547], 'Dy': [-0.01563562968097898, 0.00047858403180445208], 'phase': [-77.805788263707512, 0.020482595600896047]} final fit results: chi = 1845.11214049 A = 0.037064 +/- 0.000630 A_d = 0.000376 +/- 0.000026 L = 32.060347 +/- 0.304364 L_d = 0.266755 +/- 0.006171 phase = 91.357841 +/- 0.021547 Dx = 0.198089 +/- 0.000410 Dy = -0.015403 +/- 0.000383