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Phys. Rev. C 48, 1919–1925 (1993)

Role of strange quarks in quasielastic neutrino scattering

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G. Garvey, E. Kolbe, and K. Langanke
W. K. Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California 91125

S. Krewald
Institut für Kernphysik, FA Jülich, D-5170 Jüich, Germany

Received 3 May 1993; published in the issue dated October 1993

Confirming our previous proposal, we show within a continuum random-phase approximation calculation that the ratio of proton-to-neutron neutrino-induced quasielastic yield is a sensitive way to determine the strange quark axial form factor of the nucleon. Particularly, we find that the ratio is virtually independent of final state interactions (accounted for by a finite-range force derived from the Bonn meson-exchange potential) and nuclear structure effects. We present the ratio calculated for the neutrino beam available in an experiment currently approved at LAMPF.

© 1993 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.48.1919
DOI:
10.1103/PhysRevC.48.1919
PACS:
25.30.Pt