Abstract
Complete sets of polarization transfer coefficients have been measured for quasifree ( p, n) scattering from 2H, C, and Ca at 494 MeV and scattering angles of 12.5°, 18°, and 27° ( q = 1.2, 1.7, 2.5 fm −1). These measurements yield separated transverse ( σ × q) and longitudinal ( σ · q) isovector spin responses. The transverse responses are in very good agreement with the responses measured in deep inelastic electron scattering. No significant enhancement or softening is observed in the longitudinal responses, in contrast to expectations based on an attractive pionic residual interaction.
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