The Nucleon-nucleon interaction and properties of the nucleon in a pi rho omega soliton model including a dilaton field with anomalous dimension - INSPIRE

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The Nucleon-nucleon interaction and properties of the nucleon in a pi rho omega soliton model including a dilaton field with anomalous dimension

Jan, 1999

11 pages

Published in:

Phys.Lett.B 473 (2000) 200-208

e-Print:

nucl-th/9901067 [nucl-th]

DOI:

10.1016/S0370-2693(99)01495-1

Report number:

FZJ-IKP-TH-1999-02

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Abstract:

We investigate an extended chiral soliton model which includes

\pi, \rho, \omega

and

\sigma

mesons as explicit degrees of freedom. The Lagrangian incorporates chiral symmetry and broken scale invariance. A scalar-isoscalar meson

\sigma

is associated with a quarkonium dilaton field with a mass \msig\approx 550 MeV. We show that the scalar field with anomalous dimension slightly changes the static and electromagnetic properties of the nucleon. In contrast, it plays a significant role in nucleon-nucleon dynamics and gives an opportunity to describe well the two-nucleon interaction.

Skyrme model
Sigma meson
Nucleon properties
Meson-nucleon form factors
Nucleon-nucleon interaction
nucleon nucleon: interaction
soliton
effective Lagrangian
pi
rho(770)

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