THE CORRECTIONS OF CHARGED PARTICLE TRACKS IN A FORWARD SPECTROMETER

CHEN Ting-Yang; YAO Nai-Guo; HE Mao

Chinese Physics C> 1990, Vol. 14> Issue(10) : 865-870

THE CORRECTIONS OF CHARGED PARTICLE TRACKS IN A FORWARD SPECTROMETER

Department of Physics,Nanjing University1 Department of Physics,Shandong University,Jinan

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Abstract：
A simple method is introduced here to correct the bends of the charged tracks,due to the fring effect of the magnet in a forward spectrometer.
Because of the irregular magnetic fields caused by the fringe effect,the track of a charged particle will be twisted when it passes the magnet.By numerical integration,the slope corrections of the track both before and after the momentum analysis magnet have been made.With this method the before and after magnet track matching has been greatly improved and the background,due to the wrong matching,has been reduced.

References

[1]

H.Wind, Nucl. Ins Meth., VII5(1974), 431; V153, (1978) 195; V161 (1979) 327.[2] M.Binkley et al，Fermilab Proposal E-705. (Oct. 1981),[3] E.Anassontzis et al., Nucl. Ins. Meth, in Phy. Rerearch., A242 (1986), 215-227.[4] S.Conetti et al.,, IEEE TranS, Nuci. Sci., NS-36 (1989), 112.[5] C.M. Jenkins et al., IEEE TrAns. Nuci. Sci., NS-36 (1989), 117.

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CHEN Ting-Yang, YAO Nai-Guo and HE Mao. THE CORRECTIONS OF CHARGED PARTICLE TRACKS IN A FORWARD SPECTROMETER[J]. Chinese Physics C, 1990, 14(10): 865-870.

CHEN Ting-Yang, YAO Nai-Guo and HE Mao. THE CORRECTIONS OF CHARGED PARTICLE TRACKS IN A FORWARD SPECTROMETER[J]. Chinese Physics C, 1990, 14(10): 865-870. shu

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

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