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

Authors: A. Silva, H-C. Kim, and K. Goeke

Ref.: Physical Review D 65 (2002)

Abstract: The strange properties of the nucleon are investigated within the framework of the SU(3) chiral quark-soliton model assuming isospin symmetry and applying symmetry-conserving SU(3) quantization. We present the form factors G(E,M)(0)(Q(2)),G(M)(Z)(Q(2)) and the electric and magnetic strange form factors G(E,M)(s)(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).