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Bag-model form factors and Hartree-Fock approximation to the σωπ model (1991)

Ehrenberg, H. ; Wehrberger, K. ; Beck, F.

Springer

The European physical journal 341 (1991), S. 89-93

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ISSN: 1434-601X

Keywords: 21.65.+f ; 21.10.Dr ; 12.40.Aa

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract We evaluate form factors for the scattering ofσ, ω andπ mesons from nucleons described by the MIT bag model. These form factors are then written covariantly and used for nuclear matter in the Hartree-Fock approximation to theσω model of quantum hadrodynamics with pions. For fixed parameters (meson couplings and masses) the inclusion of these form factors results in more binding at a higher saturation density. After refitting the parameters to reproduce the empirical saturation properties, the result is very close to that without form factors.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01281278

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