π<SUP>－</SUP>π<SUP>－</SUP> Bose-Einstein Correlation at AGS Energies

Feng Zhonghan; Sa Benhao; Wang Ruihong

Chinese Physics C> 1996, Vol. 20> Issue(2) : 142-147

π^－π^－ Bose-Einstein Correlation at AGS Energies

China Institute of Atomic Energy,Beijing 102413

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Abstract：
The study of Bose-Einstein correlations between two identical particles offers a powerful probe to the space-time evolution of ultrarelativistic nucleus collisions.We calculate the correlation function of π^－π^－ due to the four space-time and four-momentum distributions of π-at freeze-out in hadronic cascade simulation of ²⁸Si(14.6 A GeV/c)+Au reactions.The correlation function calculated by Fourier transformation method,the correlation function resulted from fullcalculation and the corresponding experimental correlation function agree each other very well.The above freeze-out configuration of π^－ is also used to calculate the root mean square length of π^－ source.These lengths are compared with the conventional fitted radius parameters of source.

References

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Feng Zhonghan, Sa Benhao and Wang Ruihong. π^－π^－ Bose-Einstein Correlation at AGS Energies[J]. Chinese Physics C, 1996, 20(2): 142-147.

Feng Zhonghan, Sa Benhao and Wang Ruihong. π^－π^－ Bose-Einstein Correlation at AGS Energies[J]. Chinese Physics C, 1996, 20(2): 142-147. 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

π^－π^－ Bose-Einstein Correlation at AGS Energies

Corresponding author: Feng Zhonghan,

China Institute of Atomic Energy,Beijing 102413

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1996-02-05

Abstract: The study of Bose-Einstein correlations between two identical particles offers a powerful probe to the space-time evolution of ultrarelativistic nucleus collisions.We calculate the correlation function of π^－π^－ due to the four space-time and four-momentum distributions of π-at freeze-out in hadronic cascade simulation of ²⁸Si(14.6 A GeV/c)+Au reactions.The correlation function calculated by Fourier transformation method,the correlation function resulted from fullcalculation and the corresponding experimental correlation function agree each other very well.The above freeze-out configuration of π^－ is also used to calculate the root mean square length of π^－ source.These lengths are compared with the conventional fitted radius parameters of source.