Phenomenological aspects of isospin violation in the nuclear force

van Kolck, U.; Friar, James Lewis; Goldman, J.Terrance

doi:10.1016/0370-2693(96)00009-3

Phenomenological aspects of isospin violation in the nuclear force

U. van Kolck
(
- Washington U., Seattle
)
,
James Lewis Friar
(
- Los Alamos
)
,
J.Terrance Goldman
(
- Los Alamos
)

Jan, 1996

10 pages

Published in:

Phys.Lett.B 371 (1996) 169-174

e-Print:

nucl-th/9601009 [nucl-th]

DOI:

10.1016/0370-2693(96)00009-3

Report number:

DOE-ER-40427-22-N95,
LA-UR-95-4023-REV

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Abstract: (Elsevier)

Phenomenological Lagrangians and dimensional power counting are used to assess isospin violation in the nucleon-nucleon force. The πNN coupling constants (including the Goldberger-Treiman discrepancy), charge-symmetry breaking, and meson-mixing models are examined. A one-loop analysis of the isospin-violating πNN coupling constants is performed using chiral perturbation theory. Meson-mixing models and the 3 He 3 H mass difference are also discussed in the context of naturalness.

Note:

10 pages, latex, 1 figure -- To appear in Physics Letters B -- epsfig.sty required

nuclear force
isospin: violation
violation: isospin
coupling constant: (2nucleon pi)
(2nucleon pi): coupling constant
charge: symmetry breaking
meson: interference
perturbation theory: chiral
mass difference: (helium tritium)
(helium tritium): mass difference

References(27)

Figures(0)

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