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Parity-violating deep inelastic scattering and the flavor dependence of the EMC effect

By I. Cloet, W. Bentz and A. Thomas


Isospin-dependent nuclear forces play a fundamental role in nuclear structure. In relativistic models of nuclear structure constructed at the quark level these isovector nuclear forces affect the u and d quarks differently, leading to nontrivial flavor-dependent modifications of the nuclear parton distributions. We explore the effect of isospin dependent forces for parity-violating deep inelastic scattering on nuclear targets and demonstrate that the cross sections for nuclei with N≠Z are sensitive to the flavor dependence of the EMC effect. Indeed, for nuclei like lead and gold we find that these flavor-dependent effects are large.I. C. Cloët, W. Bentz, and A.W. Thoma

Publisher: American Physical Soc
Year: 2012
DOI identifier: 10.1103/PhysRevLett.109.182301
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