Parity-violating DIS and the flavour dependence of the EMC effect

Details Parity-violating DIS and the flavour dependence of the EMC effect Parity-violating DIS and the flavour dependence of the EMC effect

2012-02-28

arxiv.org/abs/1202.6401v1

Physics

Nuclear Physics

Nuclear Theory

4 pages, 2 figures

Scientific paper

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 non-trivial flavour 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 flavour dependence of the EMC effect. Indeed, for nuclei like lead and gold we find that these flavour dependent effects are large.

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