Phenomenological Determinations of Quark and Gluon Distributions inside the Nucleon in Quantum Chromodynamics

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概要

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• The explicit formulae up to next-to-leading order in quantum chromodynamics are discussed for the moments of the Q^2 dependent singlet-quark and gluon distribution functions in deep inelastic lepton-nucleon scattering. The Nachtmann moments of F_2<e,μN> are used to determine experimentally the free parameters in these formulae for all n from 2 to 6. Following the method of Bosetti et al., we show that the resulting Q^2 evolutions of the singlet-quark and gluon moments are in fairly good agreement with the experimental data in the Q^2 region of interest (except for Q^2>10 GeV^2 and n>3). The effects of the next-to- leading order corrections on these two moments are also discussed here.

• 理論物理学刊行会の論文
• 1981-02-25

著者

• Okumura Michiko

  Department Of Physics Kyoto University

関連論文

• Phenomenology of Conventional Field Theory in Neutrino-Nucleon Reactions
• Application of a New Scaling Rule to Neutrino Nucleon Reactions
• Possible Explanation of Data for R= σ_L/σ_T
• New Method in Evaluating the Q^2 Evolution of Moment Integral in Neutrino-Nucleon Reaction
• Energy Momentum Sum Rule beyond the Leading Order in QCD
• Nachtmann Moments of F_2^(x, Q^2) and Energy Momentum Sum Rule
• Deep Inelastic Contribution to Nucleon Mass Difference
• Phenomenological Determinations of Quark and Gluon Distributions inside the Nucleon in Quantum Chromodynamics

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