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Paper   IPM / Physic / 7752
School of Physics
  Title:   Quark-Gloun Helicity and Q2 Dependence of Partonic Angular Momentum
1.  Ali N. Khorramian
2.  A. Mirjalili
3.  S. Atashbar Tehrani
  Status:   In Proceedings
  Proceeding: Proceedings of 16th International Spin Physics Symposium, SPIN2004, October 10-16, 2004 in Trieste, Italy
  Year:  2005
  Supported by:  IPM
We used improved valon model to obtain spin dependence of parton distribution and proton structure. We compare our results for δuv and δdv with recent experimental data. Also we calculate the Q2 dependence of orbital angular momentum in valon model framework.

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