THE COLLIDING COMPONENT IN SOFT HADRONIC INTERACTIONS

  • The key role of the colliding component in soft hadronic interactions is studied. The different colliding components are found to display quite different distributions for both effective energy and fragmentation baryon momentum. After the calculation of the resonance decay correction to these distributions, a principle and method, which can directly decide the colliding component according experimental data are given. The data now available seem to rule out valence quark and support constituent quark as colliding component.
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  • [1] Collins and Martin, Rep. Prog. Phys., 45(1982), 335.[2] Axial Field Spdrometer Collaboration. Phys. Lett., 108B(1982), 58.[3] A. Capella et al., LPTHE Orsay 82/31. 或 U. Sukhtme Prac. of 13th International Symposium on Multiparticle Dynamics, Volendam, The Netherlands (1982).[4] F. Takagi, Z. Phys., C19(1983), 213.[5] R. C. Hwa, "Partons in Soft-Hadronic Prooesses" ed., R. Van de Walle (World Scientific, Siugapore 1981).[6] R. C. Hwa and M. S. Zahir, Phys. Rev., D23(1981), 2539.[7] R C. Hwa and C. Z. Lam, Phys. Rev., D26(1982), 2325.'[8] R P. Fejmman and R. D. Field, Phys. Rev., Dl5(1977), 2590.[9] C. B. Chiu and Qu-ding Xie, Phys. Rev., D26(1982), 3057.[10] L. Tan Hove, Z. Phys. C9(1981), 145.[11] V. V. Anisovich and V. M. Shekhter, Nucl. Phys., B55(1973), 455.[12] Particle Data Group, Phys. Lett., R111(1982).[13] P. D. Higgiu et al., Phys. Rev., D19(1979), 731.[14] H Kiphimi et al., Phys. Rev., DU)(1979), 37.[15] V. Eahken et al., Nuovo Cim, 66A(1981), 71; S. Erhan et al., Preprint UOLA-1124(1979).[16] V. Blohel et al., Nucl Phys., B69(1974), 454; D. Brick et al., Nucl. Phys. B164(19SO), 1; I. V.Ajinenko et al., Nucl. Phys, B176(1980), 51.[17] A. Breakstone et al., Prac. of 12 th 1ntern.itional Spnposiunl on Multiparticle Dynahlics, 1981(World Scientific, 1982).
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XIE Qu-Bing. THE COLLIDING COMPONENT IN SOFT HADRONIC INTERACTIONS[J]. Chinese Physics C, 1984, 8(3): 306-315.
XIE Qu-Bing. THE COLLIDING COMPONENT IN SOFT HADRONIC INTERACTIONS[J]. Chinese Physics C, 1984, 8(3): 306-315. shu
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Received: 1900-01-01
Revised: 1900-01-01
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THE COLLIDING COMPONENT IN SOFT HADRONIC INTERACTIONS

    Corresponding author: XIE Qu-Bing,
  • Shandong University

Abstract: The key role of the colliding component in soft hadronic interactions is studied. The different colliding components are found to display quite different distributions for both effective energy and fragmentation baryon momentum. After the calculation of the resonance decay correction to these distributions, a principle and method, which can directly decide the colliding component according experimental data are given. The data now available seem to rule out valence quark and support constituent quark as colliding component.

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