A New Numerical Approach to Evaluate Variation of Electric Field Strength at the End of Particle Trajectory in Nuclear Track Detectors

SUN Xiu-Dong; Ali Mostofizadeh; HOU Chun-Feng; M.Reza Kardan

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A New Numerical Approach to Evaluate Variation of Electric Field Strength at the End of Particle Trajectory in Nuclear Track Detectors

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A geometrical model for an electrochemical etching(ECE)track in a dielectric detector is defined and a primary programme is written to generate the track.The generated track is transformed to an M×N matrix of primary voltages.Using a numerical method,the matrix of final voltages is computed,and using another numerical approach.the electric field strengths in the elements of detector volume are computed.The final field strength at the end of particle trajectory is obtained.The results of our numerical computation show that there are exact correlations between the field strength at the end of particle trajectory and the parameters of track under ECE.It is found that although two traditional models of Mason and Smythe in dielectrics can be partly applied for short we find that there is an expressive relationship between the field strength and the incidence angle of impacted particle.while the mentioned traditional models are not able to explain this effect.

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《中国物理快报：英文版》 |2008年第1期|81-84|共4页
作者
SUN Xiu-Dong; Ali Mostofizadeh; HOU Chun-Feng; M.Reza Kardan;
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作者单位

Department of Physics,Harbin Institute of Technology,Harbin 150001;

Department of Physics,Harbin Institute of Technology,Harbin 150001;

Department of Physics,Harbin Institute of Technology,Harbin 150001;

Nuclear Science and Technology Research Institute,Radiation Application Research School,Tehran,Iran;

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中图分类物理学;
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A New Numerical Approach to Evaluate Variation of Electric Field Strength at the End of Particle Trajectory in Nuclear Track Detectors

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