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physics.gen-ph2025
Massive Spin-2: Field-equations, Propagators, Massless-limit, and Perihelion Precessions
Th. A. Rijken, J. W. Wagenaar
This paper presents the quantization of massive and massless spin-2 particles, using the auxiliary field method. The issue, the so-called vDVZ-discontinuity, whether the perihelion…
nucl-th2025
Nucleon-Quark Diquark-exchange Interaction
Th. A. Rijken
In this note the nucleon-quark diquark-exchange interaction is derived using the Feynman-propagator for axial-vector diquark (D) exchange. The Feynman diquark propagator is derived…
nucl-th2025
Constituent Quark-model for BaryonsTh. Harmonic confinement and Two-body Meson-exchange Potentials
Th. A. Rijken
Soft Two-body potentials between the constituent quarks of the nucleon are derived using harmonic oscillator, i.e. gaussian, quark wave-functions. The gaussian wave-functions are v…