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“School of Particles”

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Paper   IPM / Particles / 11746
School of Particles and Accelerator
  Title:   Pade Approximations and NSQD's up to 4-loop Using F2 Deep Inelastic World Data
  Author(s): 
1 . Ali Naghi Khorramian
2 . Hamzeh Khanpour
3 . Shahin Atashbar Tehrani
  Status:   In Proceedings
  Proceeding: The Conference in Honour of Murray Gell-Mann's 80th Birthday,2010
  Year:  2010
  Pages:   444-450
  Supported by:  IPM
  Abstract:
In this paper the nonsinglet quark distributions (NSQD's) from the precise next-to-next-to-next-to leading order QCD fit is presented. In this regards 4-loop anomalous dimension can be obtained from the Pade approximations. The analysis is based on the Jacobi polynomials expansion of the structure function. Our results for NSQD's up to N3LO are in good agreement with available theoretical models.

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