Analysis of J/ψ Absorption Cross Section in Relativistic Heavy Ion Collisions

Liu Bo; Zhao Weiqin

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2024年10月30日

Chinese Physics C> 1994, Vol. 18> Issue(7) : 652-657

Analysis of J/ψ Absorption Cross Section in Relativistic Heavy Ion Collisions

Liu Bo ^, ,
Zhao Weiqin

Institute of High Energy Physics, Academia Sinica, Beijing 100039

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Abstract：
Based on geometric model the absorption length of produced J/ψ in nuclear matter for relativistic heavy ion collisions is calculated. The absorption cross section σa.bs of J/ψ deduced in A-A collisions is considerably higher than that in h-A processes.The reason of obtaining this result different from former works is also discussed in terms of analysing the relation between and the initial interaction length.

References

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C. Baglin et al. (NA38 Collab.), Phys. Lett., -(1989)471.[2] T . Matsui and H. Sntz, Phys. lett., B178(1986)416.[3] 0.Drapier et al. (NA38 Collab.), Nucl. Phys., A544(1992)209c.[4] C. Gerschel and J. Hiifner, Z. Phys., -(1992)171.[5] S.J. Brodsky and A.H. Muller, Phys. Lett., Br86(1988)285; J. Hufner and M. Simbel, Phys.Lett., B258(1991)465.[6] C. Baglin et al. (NA38 Collab.), Phys. Lett., B255(1991)459; C. Rncca, 私人通信.[7] S.J. Brodsky, Nucl. Phys.; A544(1992)223c.[8] C. Baglin et al. (NA38 Collab.), Phys. Lett., B282(1991), 362; B268(1991) 453; Nucl. Phys.,A544(1992)95c.[9] S. Gupta and H. Satz, Phys. Lett., B283(1992)439.

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Liu Bo and Zhao Weiqin. Analysis of J/ψ Absorption Cross Section in Relativistic Heavy Ion Collisions[J]. Chinese Physics C, 1994, 18(7): 652-657.

Liu Bo and Zhao Weiqin. Analysis of J/ψ Absorption Cross Section in Relativistic Heavy Ion Collisions[J]. Chinese Physics C, 1994, 18(7): 652-657. 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

Analysis of J/ψ Absorption Cross Section in Relativistic Heavy Ion Collisions

Liu Bo ^,
Zhao Weiqin

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: 1994-07-05

Abstract: Based on geometric model the absorption length of produced J/ψ in nuclear matter for relativistic heavy ion collisions is calculated. The absorption cross section σa.bs of J/ψ deduced in A-A collisions is considerably higher than that in h-A processes.The reason of obtaining this result different from former works is also discussed in terms of analysing the relation between and the initial interaction length.