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One-boson-exchange potential model for the lambda p interaction. (ii)

1972

19 pages

Published in:

Nucl.Phys.B 47 (1972) 138-156

Published: 1972

DOI:

10.1016/0550-3213(72)90106-X

View in:

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Abstract: (Elsevier)

This paper describes a one-boson-exchange potential model for the Λp interaction, which includes the ΣN channel explicitly. This model is an extension of a model we have previously discussed [1]. The extension consists of the addition of a unitary singlet pseudo-scalar meson ( χ 0 ) and an octet of scalar bosons. This extension enables us to fit the experimental low-energy Λp data with values of some meson-baryon couplings closer to generally preferred values than was possible with the previous model. In particular, the coupling of the unitary singlet vector meson (ω) to baryons is g ω 2 /4 π = 4.5 in this model, whereas it was 24.9 in the earlier model.

p lambda: interaction
interaction: p lambda
exchange: one-boson
one-boson: exchange
potential
interpretation of experiments: parametrization
coupling constant: meson baryon
meson baryon: coupling constant
symmetry: su(3)
meson: multiplet

References(34)

Figures(0)

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