Initial State Interactions and J/ψ Production-Rate Suppression in High Energy P-A Collisions

Qin Keyu; Jiang Huanqing; Liu Bo

Chinese Physics C> 1996, Vol. 20> Issue(11) : 1003-1006

Initial State Interactions and J/ψ Production-Rate Suppression in High Energy P-A Collisions

Phycics department, Yun Nan Normal University, Kunming 6500922 Institute of High Energy Physics, The Chinese Academy of Sciences ,Beijing 100039

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Abstract：
The influence of the initial state intcractions on the J/ψ production-rate supression in p-A collisions is studied. The incident proton energies decrease due to the inelastic interactions with the target nucleus. Considering energy loss of the incident proton,the data are well reproduced by using the final state interaction cross section σ^f_abs=2.1mb.

References

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C.Y.Wong,Introduction to High Energy Heavy-Ion Collisions,World Scicntific Publishing Co.Ptc,Ltd,1994.[2] T.MatsuiH.Satz,iPhys/i.iLett/i,B178（1986）416.[3] C.Baglin et al,NA38 Collab.,iPhys/i.iLett/i,B220（1989）471.[4] M.J.Leitch et al,E789 Collab,Rep.NoFermilab-Pub-95/047.[5] C.Y.Wong,Suppression of ψ‘and J/ψ'in High Energyheavy-Ion Collisions,Oak Ridgc Prcprint ORNL-CTP-95-04.[6] C.Gerschel,J.Hfner,iPhys/i.iLett/i,B207（1988）253.[7] Liu Bo,Zhao Weiqin,高能物理与核物理，18（1994）443.[8] H.C.Chiang,J.H#252;fner,Nucl.iPhys/i.,A349（1980）466.[9] M.H.Schub et al.,iPhys/i.Rev.,D52（1995）1307;[10] A.Capella,Nucl.iPhys/i.,A525（1991）133c;[11] J.M.Moss,E772 Collab.,Nucl.iPhys/i.A525（1991）285c.

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Qin Keyu, Jiang Huanqing and Liu Bo. Initial State Interactions and J/ψ Production-Rate Suppression in High Energy P-A Collisions[J]. Chinese Physics C, 1996, 20(11): 1003-1006.

Qin Keyu, Jiang Huanqing and Liu Bo. Initial State Interactions and J/ψ Production-Rate Suppression in High Energy P-A Collisions[J]. Chinese Physics C, 1996, 20(11): 1003-1006. 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

Initial State Interactions and J/ψ Production-Rate Suppression in High Energy P-A Collisions

Corresponding author: Qin Keyu,

Phycics department, Yun Nan Normal University, Kunming 6500922 Institute of High Energy Physics, The Chinese Academy of Sciences ,Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1996-11-05

Abstract: The influence of the initial state intcractions on the J/ψ production-rate supression in p-A collisions is studied. The incident proton energies decrease due to the inelastic interactions with the target nucleus. Considering energy loss of the incident proton,the data are well reproduced by using the final state interaction cross section σ^f_abs=2.1mb.