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Chinese Physics C> 1993, Vol. 17> Issue(5) : 455-461 

Enhancement of K+/π+ Ratio in High-Energy Proton-Nucleus and Nucleus-Nucleus Collisions Due to the Secondary Collisions

  •  Institute of High Energy Physics,Academia Sinica,Beijing 100039

  • The pion meson secondary collisions with surrounding nucleons in the nucleus can change the K+/π+ ratio.We calculate this effect in proton-nucleus-nucleus collisions by the Glauber model and find that the final state interactions are important.
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    [1] E802 Collaboration,Y. Miake et al.，Z. Phys.，C38(1988),135t P. Vincent et al.，Nucl.phys，A498 (1989)，67.[2]Chao Weiqin et al.，Nucl.Phys.，A514(1990)，734.[3]Ren JiangLong and Chao WeiQin, Commun. in Theor. Phys.，12(1989),299.[4]C. M. Ku and L. Xia, Phys. Rev.，C38(1989)，179.[5]H. Surge et al.，Nucl. Phys.，A498(1989)，567.[6]P. Koch, Z. Phys.，C38(1988)，269.[7]L. Xia and C. M. Ko, Phys. Lett.，222B(1989)，343.[8]C. M. Ko, Nucl. Phys.，A498(1989)，561.[9]J. Rafelski and B. Muller, Phys. Rev. Lett.，48(1982), 1066: 56(1986)，2334.[10]T.S. Biro and J. Zimanyi, Nucl. Phys.，A395(1983)，525.[11]P.Koch, Muller and J. Rafelski, Phys. Reports.，C142(1986)，167.[12]J. Cleymans, Nucl. Phys.，A525(1982)，205.[13]G. Hohler et al.，Nucl. Phys.，48(1963)，470.[14]H. C. Chiang and J. Hfner, Nucl. Phys.，A352(1981)，442.[15]E. Oset et al.，Nucl. Phys.，A448(1986), 597.[16]A. Capella et al.，Phys. Lett.，206B(1988)，354.[17]A. D. Niddens et al.，Nuovo Cimento, 31(1962), 961.

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LIU Bo. Enhancement of K+/π+ Ratio in High-Energy Proton-Nucleus and Nucleus-Nucleus Collisions Due to the Secondary Collisions[J]. Chinese Physics C, 1993, 17(5): 455-461.
LIU Bo. Enhancement of K+/π+ Ratio in High-Energy Proton-Nucleus and Nucleus-Nucleus Collisions Due to the Secondary Collisions[J]. Chinese Physics C, 1993, 17(5): 455-461. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Enhancement of K+/π+ Ratio in High-Energy Proton-Nucleus and Nucleus-Nucleus Collisions Due to the Secondary Collisions

    Corresponding author: LIU Bo,
  • Institute of High Energy Physics,Academia Sinica,Beijing 100039
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1993-05-05

Abstract: The pion meson secondary collisions with surrounding nucleons in the nucleus can change the K+/π+ ratio.We calculate this effect in proton-nucleus-nucleus collisions by the Glauber model and find that the final state interactions are important.

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