A METHOD FOR CALCULATING PHOTON STRUCTURE FUNCTION IN DEEP INELASTIC SCATTERING

LU Jing-Xian

Chinese Physics C> 1985, Vol. 9> Issue(6) : 697-702

A METHOD FOR CALCULATING PHOTON STRUCTURE FUNCTION IN DEEP INELASTIC SCATTERING

LU Jing-Xian ^,

Institute of High Energy Physics, Academia Sinica

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Abstract：
This paper discusses the behaviors of the photon structure function, which is considered as a superposition of a hadronic and a pointlike component. The pointlike component is calculated in the quark parton model. The hadronic part is calculated in the vector dominance model. The valence quark distribution function of ρ⁰ is assumed to be the same as that of π⁰. The π⁰ valence quark distribution function is represented by an analytic expression in the leading logarithm approximation from the Altarelli-Parisi equation. Results obtained are in agreement with experimental data.

References

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S. J. Brodsky et al., Phys. Rev. Lett., 27 (1971), 280.[2] T. F. Walsh and P. Zerwas; Phys. Lett., 44B(1973), 195.[3] E. Witten, Nucl. Phys. B120 (1977), le9.[4] C. H. Llewellyn Smith, Phys. Lett., 79B (1978), 83.[5] Wu Chi-min, Nucl. Phys., B167 (1950), 3.19[6] PLUTO CoLaboration, Phys. Rev. Lett., 107B ( 1981), 168.[7] W. Wegner, PITHA 83/03.[8] C. T. Hill, G. G. Ross, Nucl. Phys., B148 ( 1979), 373.[9] L. M. Jones and D. W. Willen, Phys. Rev.,DZO (1979), 749; J. Busenitz and J. D. SuKivam,Phys. Rev., D24 (1981), 1794.[10] E. Witten, Nucl. Phys., B120 (1977), 189.[11] W. A. Bardeen and A. J. Buras, Phys. Rev., D20 11979), 166; D21 (1980), 2041E.[12] G. Altarelli, G. Parisi, Nucl. Phys., BJ26(!477), 298; W. R. Frazer and J. F. Gunion, Phys. Rev.,D20 (1979), 147.[13] 吴济民、陆景贤等, 高能物理与核物理, 7(1983),5.[14] PLUTO Collaboration to be Published.[15] M. Gluck, K. Grassie and E. Reya, DO-RI 8v23.[16] Ciu seppe Rossi, UCSD-10P10-227.[17] C. Peterson et al., SLAC PUB-2985.[18] J. Alspector et al.. Phys Lett., 81B (1979), 432.[19] Sau Lan Wu DESY 84-028.[20] H.J.Behreud DESY 84-OG2.[21] J. Broasky SLAC-PUB-3440. SLAC-PLJB 3547.

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LU Jing-Xian. A METHOD FOR CALCULATING PHOTON STRUCTURE FUNCTION IN DEEP INELASTIC SCATTERING[J]. Chinese Physics C, 1985, 9(6): 697-702.

LU Jing-Xian. A METHOD FOR CALCULATING PHOTON STRUCTURE FUNCTION IN DEEP INELASTIC SCATTERING[J]. Chinese Physics C, 1985, 9(6): 697-702. 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

A METHOD FOR CALCULATING PHOTON STRUCTURE FUNCTION IN DEEP INELASTIC SCATTERING

LU Jing-Xian ^,

Corresponding author: LU Jing-Xian,

Institute of High Energy Physics, Academia Sinica

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1985-12-05

Abstract: This paper discusses the behaviors of the photon structure function, which is considered as a superposition of a hadronic and a pointlike component. The pointlike component is calculated in the quark parton model. The hadronic part is calculated in the vector dominance model. The valence quark distribution function of ρ⁰ is assumed to be the same as that of π⁰. The π⁰ valence quark distribution function is represented by an analytic expression in the leading logarithm approximation from the Altarelli-Parisi equation. Results obtained are in agreement with experimental data.