Dear guys,
I have used the new version of fastfit to analyze commis_306*. The
comparision between results of the new version of fastfit and results of
old fastfit is following:
(run=3068)
old fastfit new fastfit
cpu(sec) 2280 529
sigma sigma
P(Gev) 0.06003 0.0564
theta(degree) 0.8399 0.8133
phi(degree) 1.085 0.9894
Z(degree) 2.961/2 2.906/2
The conclusions we can draw from these results are :
1) New fastfit runs 4 times faster than old fastfit.
2) the vertex information from Newton fit is improved slightly
using New fastfit.
The detailed results will be presented on Wednesday analysis and
software meeting.
Best regards,
Wang
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