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Strange form factors in the context of SAMPLE, HAPPEX, and A4 experiments

Title
Strange form factors in the context of SAMPLE, HAPPEX, and A4 experiments
Type
Article in International Scientific Journal
Year
2001
Authors
A. Silva
(Author)
FEUP
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H.-C. Kim
(Author)
Other
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K. Goeke
(Author)
Other
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Journal
Vol. 65
Initial page: 014016
ISSN: 1550-7998
Indexing
Publicação em ISI Web of Science ISI Web of Science
Publicação em Scopus Scopus
Scientific classification
FOS: Natural sciences > Physical sciences
CORDIS: Physical sciences > Physics > Quantum mechanics > Nuclear physics ; Physical sciences > Physics > Quantum mechanics > Quantum field theory
Other information
Abstract (EN): The strange properties of the nucleon are investigated within the framework of the SU(3) chiral quark-soliton model assuming isospin symmetry and applying the symmetry conserving SU(3) quantization. We present the form factors $G^0_{E,M}(Q^2)$, $G^Z_M(Q^2)$ and the electric and magnetic strange form factors $G^s_{E,M}(Q^2)$ incorporating pion and kaon asymptotics. The results show a fairly good agreement with the recent experimental data from the SAMPLE and HAPPEX collaborations. We also present predictions for future measurements including the A4 experiment at MAMI (Mainz).
Language: Portuguese
Type (Professor's evaluation): Scientific
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