Further Ambiguity in Perturbative Quantum Chromodynamics : Nuclear Physics

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概要

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• We show that the perturbative calculation in QCD suffers from the third ambiguity, in addition to the renormalization-scheme (RS) and the factorization-scheme (FS) dependences. The origin of this new ambiguity comes from the facts that the strong coupling constant generally depends on at least two mass-scales, the renormalization and the factorization scales μ and M, and that in integrating the coupled renormalization group equations with respect to μ and M in order to define the QCD coupling constant we are forced to specify the integration-path. The perturbative approximation introduces into the physical quantity the integration-path-dependence, which is in effect the same order of magnitude as the RS- and FS-dependences, namely one order higher than the calculation done.

• 理論物理学刊行会の論文
• 1984-02-25

著者

• Nie´gawa A

  Department Of Physics Osaka City University

• Nakkagawa Hisao

  Institute For Natura Science Nara University

• NIEGAWA Akira

  Department of Physics, Faculty Sience Osaka City University

• Niegawa Akira

  Department Of Physics Dalhousie University

• NIEGAWA Akira

  Department of Physics, Dalhousie University

• NIEGAWA Akira

  Department of Physics, Osaka City University:Department of Physics, Dalhousie University

• NAKKAGAWA Hisao

  Institute of Natural Sciences, Nara University

関連論文

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• Chiral Phase Transitions in QED at Finite Temperature : Dyson-Schwinger Equation Analysis in the Real Time Hard-Thermal-Loop Approximation
• N-Point Vertex Functions, Ward-Takahashi Identities and Dyson-Schwinger Equations in Thermal QCD/QED in the Real Time Hard-Thermal-Loop Approximation
• Resonance-Saturation Picture and the Patterns of Scaling Violation : Correspondence between Resonance and Parton Pictures
• Charge Transfer in Multiparticle Production Processes and the Quark Cluster Model
• Proton Form Factor Obtained from Correspondence Arguments between Resonance and Parton Pictures
• Out of Equilibrium Quantum Field Theory : Perturbation Theory and Generalized Boltzmann Equation
• Resolution of Ambiguities in Perturbative QCD : How Stevenson's Principle of Minimal Sensitivity Works : Particles and Fields
• Photon and Pion Productions at Large p_T in γp Collisions and Perturbative QCD
• Inelastic π-N and N-N Collisions in the Parton Model
• A QCD Analysis of Average Transverse Momemtum in Jet Fragmentation
• Perturbative QCD at Finite Temperature and Density
• Photoproductions of High-p_T Photons and Pions and Parton-Transverse-Momentum Effects
• Simultaneous Analysis in Renormalization and Factorization Scheme Dependences in Perturbative QCD
• SU(4) Symmetric Duality Approach to Deep Inelastic Processes and Its Relation to Quark Parton Model
• Consistency Analysis in Renormalization-Scheme Dependence of Perturbative QCD Calculations
• Effective Potential at Finite Temperature : RG Improvement us High Temperature Expansion
• Further Ambiguity in Perturbative Quantum Chromodynamics : Nuclear Physics
• SU(4) Symmetry and Deep Inelastic Processes
• SU(4) Crossing Matrices
• Patterns of Scaling Violation and the Proton-Neutron Mass Difference
• Solutions of the Bethe-Salpeter Equation with Dual Interaction Kernel for Baryons and SU(6)⊗O(3)_L Symmetry
• Bethe-Salpeter Amplitudes for Baryons
• Current Form Factors of Nucleo and Pion in Convariant Parton Model
• The Adler Sum Rule and Quark Parton Distribution Functions in Nucleon
• Model of Cluster Formation in Multiparticle Production Processes

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