"Covariant nucleon wave function with S-, D-, and P-state components" by Franz Gross, Franz Gross et al.
 

Document Type

Article

Department/Program

Physics

Journal Title

Physical Review D

Pub Date

2012

Volume

85

Issue

9

Abstract

Expressions for the nucleon wave functions in the covariant spectator theory are derived. The nucleon is described as a system with a off-mass-shell constituent quark, free to interact with an external probe, and two spectator constituent quarks on their mass shell. Integrating over the internal momentum of the on-mass-shell quark pair allows us to derive an effective nucleon wave function that can be written only in terms of the quark and diquark (quark-pair) variables. The derived nucleon wave function includes contributions from S-, P- and D-waves.

DOI

10.1103/PhysRevD.85.093005

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