Chinese Physics C > 1986, Vol. 10 > Issue(4): 438-445

THE INFLUENCE OF EMC EFFECT ON LEPTON PAIR PRODUCTION OF HIGH ENERGY HADRON-NUCLEI COLLISION

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The influence of EMC effect on Drell-Yan processes at high energies of hadron-nuclei collisions is discussed. After adapting the Jaffe's rescaling formula which express the EMC effect on deep inelastic scattering off nuclei and making use of the parton dlstribution function fitted by Duke and Owens, D-Y cross sections of various nuclei is calculated, which can be compared with experimental data, and it is found that the EMC effect affects these processes very little. After taking into account the disagreement between the data of EMC group and SLAC group at x<0.25, considerable change was found but yet the data of the dependence of cross sections on the nuclei can not be interpreted satisfactorily. It is suggested that the D-Y processes of h-A collisions at those kinematic region where the EMC effect has notable influence should be measured.

References

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J. J. Aubert et al., Phys. Lett., 113(1983); 275.[2] A. Bodek et al., Phys. Rev. Lett., 50(1983), 1431. R. G. Arnold et al, Phys. Rev. Lett., 52(1984), 727.[3] R. G. Roberts RAIr84-117.[4] R. M. Godbole and K. Sarma,Phys. Rev., D25(.1982)., 120.[5] K. J. Anderson et al., Phys. Rev. Lets., 42(1979), 944.[6] J. Badier et al., Phys. Lett., 89B(1979), 145:[7] D. F. Kaplan et al., Phys. Rev. Lett, 40(1978), 435.[8] R. L. Jaffe., Phys. Rev., 50(1983), 228. F. E. Close et al., Phys. Lett., 129B(1983), 346.[9] J. Owens, Phys. Rev., D30(1984), 943. D. Duke and J. Owens, Phys. Rev. D30(1984) , 49.[10] F. Liu et al., Chfnese Phys.Letts, (1984), 43.

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PENG Tie-Liang, LI Zi-Bang and PENG Hong-An. THE INFLUENCE OF EMC EFFECT ON LEPTON PAIR PRODUCTION OF HIGH ENERGY HADRON-NUCLEI COLLISION[J]. Chinese Physics C, 1986, 10(4): 438-445.

PENG Tie-Liang, LI Zi-Bang and PENG Hong-An. THE INFLUENCE OF EMC EFFECT ON LEPTON PAIR PRODUCTION OF HIGH ENERGY HADRON-NUCLEI COLLISION[J]. Chinese Physics C, 1986, 10(4): 438-445. 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

THE INFLUENCE OF EMC EFFECT ON LEPTON PAIR PRODUCTION OF HIGH ENERGY HADRON-NUCLEI COLLISION

Corresponding author:PENG Tie-Liang,

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1986-08-05

Abstract:The influence of EMC effect on Drell-Yan processes at high energies of hadron-nuclei collisions is discussed. After adapting the Jaffe's rescaling formula which express the EMC effect on deep inelastic scattering off nuclei and making use of the parton dlstribution function fitted by Duke and Owens, D-Y cross sections of various nuclei is calculated, which can be compared with experimental data, and it is found that the EMC effect affects these processes very little. After taking into account the disagreement between the data of EMC group and SLAC group at x<0.25, considerable change was found but yet the data of the dependence of cross sections on the nuclei can not be interpreted satisfactorily. It is suggested that the D-Y processes of h-A collisions at those kinematic region where the EMC effect has notable influence should be measured.