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《中国物理C》（英文）编辑部
2024年10月30日
Chinese Physics C> 1992, Vol. 16> Issue(9) : 816-820 

Spatial Parameter from Two-pion Interferometry

  •  Department of Physics,Harbin Institute of Technology,Harbin 1500062 Department of Physics,Kent State University,Kent,Ohio 442423 Department of Physics,University of California,Riverside,Ca 82521

  • It is proposed that the average radius of the Source obtained from twopion interferometry analyses is a suitable quantity to describe the spatial size of the source by comparing the correlation functions from different source density destributions directly.When comparing the source spatial parameters from different correlation functions,the average radius of the source is a superior standard parameter to the root-mean-square radius suggested by Bartke and Kowalski,and is superior to the factor suggested by Goldhaber et al.A systematic study of the results from different heavy ion experiments demonstrates that a more reasonable result can be obtained by utilizing the average radius as a standard for comparison.
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    [1] G. Goldhaber, S. Goldhaber, W. Lee, and A. Pais, Phys. Rev., 120(1960), 300.[2] M. Gyulassy, S, E. Kauffmann, and L. W. Wilson, Phys. Rev., 020(1979), 2267.[3] W. A. Zajc et al., Phys. Rev，029(1984), 2173.[4] T. Akesson et al., Phys. Lett:, 8187(1987), 420.[5] A. Breakstone et al., Z. Phys., 033(1987), 333.[6] C. Albajar et al., Phys. Lett., 8226(1989), 410.[7] C. De Marzo et al., Phys, Rev., D29(1984), 363.[8] S. Y. Fung, et al，Phys. Rev. Lett., 41(1978), 1592.[9] D. Beavis et al，Phys. Rev., 028(1984), 2561; Phys. Rev., 034(1986), 757.[10] G. N. Agakishiev et al.,Sov，.J. Nucl. Phys., 39(1984), 344.[11] A. Bamberger et al., Phys. Lett., B203(1988), 320.[12] T. Humanic et al，Z. Pkys., C38(1988), 79.[13] J. W. Harris et al., Nucl. Phys., A498(1989), 133c.[14] N, Akhababian, J. Bartke, V. G. Grishin, M. Kowalski, Z.Phys., C26(1984), 245.[15] J. Bartke and M. Kowalski, Phys. Rev., C30(1984), 1341.[16] 刘亦铭等，高能物理与核物理，15(1991)，123[17] Y. Z. Jiang et al., Phys. Rev.C(in press).[18] W. A. Zajc, in Proc. of the Workshop on Correlations and Multiparticle Production, p. 439, edited by M. Plumer, S. Raha and R. M. Weiner, World Scientific (1990).[19] D. H. Boal, C. K. Gelbke, and B. K. Jennings,Rev.of Modern Phys., 62(1990), 553[20] A.D. Chacon et al., Phys. Rev., 043(1991), 2670.[21] R.Stock, University of Frankfurt Preprint IKF90-3, to be published in Ann. Phys.

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HUO Lei, JIANG Yu-Zhen, WANG Shan, ZHANG Wei-Ning and LIU Yi-Ming. Spatial Parameter from Two-pion Interferometry[J]. Chinese Physics C, 1992, 16(9): 816-820.
HUO Lei, JIANG Yu-Zhen, WANG Shan, ZHANG Wei-Ning and LIU Yi-Ming. Spatial Parameter from Two-pion Interferometry[J]. Chinese Physics C, 1992, 16(9): 816-820. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Spatial Parameter from Two-pion Interferometry

    Corresponding author: HUO Lei,
  • Department of Physics,Harbin Institute of Technology,Harbin 1500062 Department of Physics,Kent State University,Kent,Ohio 442423 Department of Physics,University of California,Riverside,Ca 82521
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1992-09-05

Abstract: It is proposed that the average radius of the Source obtained from twopion interferometry analyses is a suitable quantity to describe the spatial size of the source by comparing the correlation functions from different source density destributions directly.When comparing the source spatial parameters from different correlation functions,the average radius of the source is a superior standard parameter to the root-mean-square radius suggested by Bartke and Kowalski,and is superior to the factor suggested by Goldhaber et al.A systematic study of the results from different heavy ion experiments demonstrates that a more reasonable result can be obtained by utilizing the average radius as a standard for comparison.

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