Contribution Due to Gluon Shadowing and Final-State Interactions to Charmonium/Bottonium Suppression in h-A Collisions

Liu Bo; Zhao Weiqin

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1994, Vol. 18> Issue(5) : 443-447

Contribution Due to Gluon Shadowing and Final-State Interactions to Charmonium/Bottonium Suppression in h-A Collisions

Liu Bo ^, ,
Zhao Weiqin

Institute of High Energy Physics, Academia Sinica, Beijing 100039

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Abstract：
We analyse the data of charmonium/bottonium suppression in P-A processes by considering the gluon shadowing effect at small x and the final-state interactions in the target nucleus. An empirical parametrization of the shadowing effect of the gluon structure function is used. The A- and x2-dependence of the suppression in P-A collisions is well obtained based on above physical consideration.

References

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T.Matsui and H.Satz,Phys.lett,B178（1986）416.[2]C.Baglin et al.（NA38Collab.）,Phys.Lett,B220（1989）471;B255（1991）459;Nucl.Phys,A544（1992）209c;C.Racca,Private communications.[3]C.Cerschel and J.Hufner:Z.Phys,C56（1992）171.[4]S.Gupta and H.Satz,Phys.Lett.B283（1992）439.[5]R.C.Hwa and L.Lesniak,“Initial-state effect on J/Φ suppression in protonnucleus collisions”,preprint OITS-492.[6]D.M.Alde et al.（E772 Collab.）,Phys.Rev.Lett.;66（1991）133,2285;J.C.Peng,Private communications.[7]J.Badier et al.（NA3 Collab.）,Z.Phys,C20（1983）101.[8]C.Baglin et al.（NA38 Collab.）,Phys.Lett.B262（1991）362.[9]Chao Wei-Qin and Liu Bo,Absorption length and J/Φ suppression in relativistic heavy ioncollisions,preprint BIHEP-TH-93-04.

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Liu Bo and Zhao Weiqin. Contribution Due to Gluon Shadowing and Final-State Interactions to Charmonium/Bottonium Suppression in h-A Collisions[J]. Chinese Physics C, 1994, 18(5): 443-447.

Liu Bo and Zhao Weiqin. Contribution Due to Gluon Shadowing and Final-State Interactions to Charmonium/Bottonium Suppression in h-A Collisions[J]. Chinese Physics C, 1994, 18(5): 443-447. shu

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Received: 1900-01-01
Revised: 1900-01-01

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Contribution Due to Gluon Shadowing and Final-State Interactions to Charmonium/Bottonium Suppression in h-A 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: 1994-05-05

Abstract: We analyse the data of charmonium/bottonium suppression in P-A processes by considering the gluon shadowing effect at small x and the final-state interactions in the target nucleus. An empirical parametrization of the shadowing effect of the gluon structure function is used. The A- and x2-dependence of the suppression in P-A collisions is well obtained based on above physical consideration.