Effects of negative energy components in the constituent quark model

Relativistic covariance requires that in the constituent quark model for mesons the positive energy state as well as the negative energy states are included. Using relativistic quasipotential equations the contribution of the negative energy states is studied for the light and charmonium mesons. It...

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Bibliographic Details
Published in:Physical review. C, Nuclear physics Nuclear physics, 1993-08, Vol.48 (2), p.896-901
Main Authors: Tiemeijer, PC, Tjon, JA
Format: Article
Language:English
Subjects:
662420 - Properties of Mesons & Meson Resonances- (1992-)
BOSONS
ELEMENTARY PARTICLES
ENERGY LEVELS
EQUATIONS
FERMIONS
FUNCTIONS
HADRONS
INTEGRAL EQUATIONS
MASS
MESONS
NEGATIVE ENERGY STATES
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
POSTULATED PARTICLES
POTENTIALS
QUARKS
QUASIPOTENTIAL EQUATION
WAVE FUNCTIONS
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Summary:Relativistic covariance requires that in the constituent quark model for mesons the positive energy state as well as the negative energy states are included. Using relativistic quasipotential equations the contribution of the negative energy states is studied for the light and charmonium mesons. It is found that these states change the meson mass spectrum significanlty but leave its global structure untouched.
ISSN:0556-2813
1089-490X
DOI:10.1103/PhysRevC.48.896