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Chinese Physics C> 2007, Vol. 31> Issue(2) : 138-142 

Strangeness Suppression in e+e－ Light Flavour Jets

  •  Department of Physics, Shandong University, Ji'nan 250100, China

  • From the simple physical picture of quark combination model, we obtain the generate probabilities of various particles and relative ration in e+e－→q0q0→h′s process, and find that the relationship between the ration of strange hadron to unstrange hadron γ and the strangeness suppression factor λ. Our results can be used to explain particle ration enhancement observed in experiments without assumption of strangeness suppression factor enhancement.
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    [1] . HoRmann W. Nucl. Phys., 1988, A52B: 337c; Bialkowska H et al. Z. Phys., 1992, C55: 347; Gazdzicki M et al. Z.Phys., 1996, C71: 552. Hafelski J, Muller B. Phys. Rev. Lett., 1982, 48: 10663. Stephan Pall. Nucl. Phys., 2000, A663 664: 74c-84c4. Pavel et al. Z. Phys., 1991, C51: 1195. Albrecht H et al. Phys. Rep., 1996, 276: 16. Barate R et al(ALEPH Collab). Phys. Rep., 1998, 294: 17. Abbiendi G et al(OPAL Collab). Eur. Phys. J., 2000, C16:407-4218. Adler C et al. Phys. Rev., 2002, C66: 0619019. Stephan Pall. Nucl. Phys., 2000, A663664: 74c-84c10. Zimanyi J et al. Phys. Lett., 2000, B472: 243-246; XIEQu-Bing, LIU Xi-Ming. Phys. Rev., 1988, D38: 2169-217711. LIU Xi-Ming et al. HEP NP, 2004, 28(1): 11-16;28(10): 1026-1032 (in Chinese)(刘希明等. 高能物理与核物理, 2004, 28(1): 11-16; 28(10):1026-1032)12. Becattni et al. Phys. Rev., 2001, C64: 02490113. Particle Data Group. Eur. Phys. J., 2000, C15: 226

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LIU Xi-Ming and SUN Xu-Bin. Strangeness Suppression in e+e－ Light Flavour Jets[J]. Chinese Physics C, 2007, 31(2): 138-142.
LIU Xi-Ming and SUN Xu-Bin. Strangeness Suppression in e+e－ Light Flavour Jets[J]. Chinese Physics C, 2007, 31(2): 138-142. shu
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Received: 2006-05-16
Revised: 2006-06-02
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Strangeness Suppression in e+e－ Light Flavour Jets

    Corresponding author: LIU Xi-Ming,
  • Department of Physics, Shandong University, Ji'nan 250100, China
  • Received Date: 2006-05-16
  • Accepted Date: 2006-06-02
  • Available Online: 2007-02-05

Abstract: From the simple physical picture of quark combination model, we obtain the generate probabilities of various particles and relative ration in e+e－→q0q0→h′s process, and find that the relationship between the ration of strange hadron to unstrange hadron γ and the strangeness suppression factor λ. Our results can be used to explain particle ration enhancement observed in experiments without assumption of strangeness suppression factor enhancement.

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