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Paper   IPM / P / 7189
School of Physics
  Title:   Constituent Quark and Hadronic Structure in the Next-to-Leading Order
1.  F. Arash
2.  Ali N. Khorramian
  Status:   In Proceedings
  Proceeding: Proceedings of the 30th International Conferece on High Energy Physics, Osaka, Japan, 27 July - 2 August 2000, ICHEP2000, Vol. I
  No.:  0
  Year:  2000
  Supported by:  IPM
The structure of a dressed quark is utilized to evaluate the structure function of proton and pion. It is found that there is a simple relationship between F2p and F2π. The ambiguity in the normalization of F2π is discussed. Furthermore, the polarization structure function of the constituent (dressed) quark is calculated in the leading order. While, it does produce all the available data on polarized hadronic structure, it requires a significant contribution to the proton spin from the orbital angular momentum.

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