Structure Functions and R=σ_L/σ_T in a Covariant Harmonic Oscillator Quark Model with QCD Corrections

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概要

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• We derive structure functions and the longitudinal-transverse cross section ratio R=σ_L/σ_T in deep inelastic scattering in a covariant harmonic oscillator quark model with QCD corrections. That is, the structure functions derived in the model are used as an initial condition at a certain Q^2=Q_0^2 for the renormarization group equation. We show that our model consistently reproduces experimental values of structure functions. Non-leading order of Q^2 corresponding to higher twists is also evaluated. It is pointed out that the twist-four contribution in R is considerably large and important in the region with high ξ.

• 理論物理学刊行会の論文
• 1981-01-25

著者

• Yamazaki N

  Meteorological Research Institute Japan Meteorological Agency:meteorological College Japan Meteorolo

• Yamazaki Nobuo

  Institute Of Physics University Of Tsukuba

• Yamazaki Nobuo

  Institute For Physics University Of Tsukuba

• KOBAYASHI Tsunehiro

  Institute of Physics, University of Tsukuba

• KOBAYASHI Tatsuharu

  Department of Physics, Kyushu University

• Kobayashi Tsunehiro

  Institute For Physics University Of Tsukuba

• KOBAYASHI Tsunehiro

  Institute for Physics, University of Tsukuba

• KOBAYASHI Tatsuharu

  Department of Physics, Kyusyu University

• KOBAYASHI Tatsuo

  Department of Physics, College of Liberal Arts and Sciences Kyoto University : Fellow of the Japan Society for the Promotion of Science.

• KOBAYASHI Tatsuo

  Department of Physics, College of Liberal Arts and Sciences Kyoto University

• Kobayashi Tetsuro

  Department of Physics, Kyoto University

• Yamazaki Noboru

  Meteorological Research Institute, Japan Meteorological Agency:Meteorological College, Japan Meteorological Agency

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