K* mesons and nucleon strangeness

Barz, L.L.; Forkel, H.; Hammer, H.W.; Navarra, F.S.; Nielsen, Marina; Ramsey-Musolf, M.J.

doi:10.1016/S0375-9474(98)00438-2

K* mesons and nucleon strangeness

L.L. Barz
(
- Sao Paulo U. and
- Santa Catarina U.
)
,
H. Forkel
(
- ECT, Trento and
- Heidelberg U.
)
,
H.W. Hammer
(
- TRIUMF and
- Washington U., Seattle
)
,
F.S. Navarra
(
- Sao Paulo U.
)
,
Marina Nielsen
(
- Sao Paulo U.
)

Mar, 1998

21 pages

Published in:

Nucl.Phys.A 640 (1998) 259-280

e-Print:

hep-ph/9803221 [hep-ph]

DOI:

10.1016/S0375-9474(98)00438-2

Report number:

DOE-ER-40561-345,
INT-97-00-184

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Abstract:

We study contributions to the nucleon strange quark vector current form factors from intermediate states containing K^* mesons. We show how these contributions may be comparable in magnitude to those made by K mesons, using methods complementary to those employed in quark model studies. We also analyze the degree of theoretical uncertainty associated with K^* contributions.

Note:

21 pages, RevTex, 2 PS figures included with epsf.sty Report-no: DOE/ER/40561-345-INT97-00-184

14.20.Dh
12.40.-y
nucleon: model
nucleon: form factor
current: vector
nucleon: strangeness
K*(892): intermediate state
Feynman graph: higher-order
dispersion relation
nucleon: magnetic moment

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