Chinese Physics C > 1983, Vol. 7 > Issue(2): 160-169

THE REGGE-CORRECTION AND THE SCALING VIOLATION OF HADRION STRUCTURE FUNCTIONS IN BAG MODEL

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Abstract：
In this paper the meson structure functions are calculated by use of the method given in ref.[1]. It is obtained that W ^π ₁(x)~(1-x) for π-meson in the leading-order. Then an approximate expression of Resonance-Regge correction is introduced, and thus obtained nucleon and π-meson valence quark distribution functions are in good agreement with the data in the whole range of 0≤x≤1. Also, the possible influence of scaling violation to the number of passive quarks and to the effective bag-radius is suggested. Finally, it is pointed out that the sea-quark distribution functions can be estimated by using a similar Pomeron correction.

References

[1]

汪醒民等, 高能物理与核物理, 5 (1982), 560.[2] W. V. Barnhill III, Phys. Rev., D20 (1979), 723.[3] A. Chodos et al, Phys. Rev., D10 (1974), 2599.[4] T. De Grand et al, Phys. Rev., D12(1975), 2060.[5] P. Castorina et al, Phys. Lett., 93B (1980), 291.[6] C. B. Newman et al, Phys..Rev. Lett., 42 (1979), 951.[7] T. D. Lee, Phys. Rev., D19 (1979), 1802.[8] R. L. Jaffe, Phys. Rev., D11 (1975), 1953.[9] A. J. Bnras, Rev. Mod. Phys., 52(1980), 199[10] J. F. Gunion, Phys. Rev., D10 (1974), 242.

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WANG Xing-Min, SONG Xiao-Tong and YIN Peng-Cheng. THE REGGE-CORRECTION AND THE SCALING VIOLATION OF HADRION STRUCTURE FUNCTIONS IN BAG MODEL[J]. Chinese Physics C, 1983, 7(2): 160-169.

WANG Xing-Min, SONG Xiao-Tong and YIN Peng-Cheng. THE REGGE-CORRECTION AND THE SCALING VIOLATION OF HADRION STRUCTURE FUNCTIONS IN BAG MODEL[J]. Chinese Physics C, 1983, 7(2): 160-169. 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 REGGE-CORRECTION AND THE SCALING VIOLATION OF HADRION STRUCTURE FUNCTIONS IN BAG MODEL

Corresponding author:WANG Xing-Min,

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1983-04-05

Abstract:In this paper the meson structure functions are calculated by use of the method given in ref.[1]. It is obtained that W^π₁(x)~(1-x) for π-meson in the leading-order. Then an approximate expression of Resonance-Regge correction is introduced, and thus obtained nucleon and π-meson valence quark distribution functions are in good agreement with the data in the whole range of 0≤x≤1. Also, the possible influence of scaling violation to the number of passive quarks and to the effective bag-radius is suggested. Finally, it is pointed out that the sea-quark distribution functions can be estimated by using a similar Pomeron correction.