Application of maximum likelihood method in reconstruction of charged particle tracks

Chen Tingyang

Chinese Physics C> 1994, Vol. 18> Issue(4) : 302-309

Application of maximum likelihood method in reconstruction of charged particle tracks

Chen Tingyang ^,

Department of Physics, Nanjing University, Naming 210008

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Abstract：
By use of the maximum likelihood, a new method to fit space tracks with nonGaussian measurement errors is introduced. Compared with the conventional least squares fit, the resolution has been greatly improved and so does the reliability of distinguishing the false tracks.

References

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Lars Bugge and Jan Myrheim,Nucl.Instr.and Meth.,179（1981）365[2]Particle Data Group,Phys.Rev,D45（1992）III.36.[3]T.Y.Chen and N.G.Yao,Nucl.Instr.and Meth.,A329（1993）479.[4]A.McManus et al.”Performance of a Silicon Microstrip Detector in a Very High Rate Enviroment,1991 Nuclar Science Symposium Proceedings.[5]T.Y.Chen and N.G.Yao,Nucl.Instr.and Meth.,A290（1990）390.

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Chen Tingyang. Application of maximum likelihood method in reconstruction of charged particle tracks[J]. Chinese Physics C, 1994, 18(4): 302-309.

Chen Tingyang. Application of maximum likelihood method in reconstruction of charged particle tracks[J]. Chinese Physics C, 1994, 18(4): 302-309. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Application of maximum likelihood method in reconstruction of charged particle tracks

Chen Tingyang ^,

Corresponding author: Chen Tingyang,

Department of Physics, Nanjing University, Naming 210008

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1994-04-05

Abstract: By use of the maximum likelihood, a new method to fit space tracks with nonGaussian measurement errors is introduced. Compared with the conventional least squares fit, the resolution has been greatly improved and so does the reliability of distinguishing the false tracks.