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Journal Article

Short-Range Correlations and the EMC Effect in Effective Field Theory

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Schwenk,  Achim
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Citation

Chen, J.-W., Detmold, W., Lynn, J. E., & Schwenk, A. (2017). Short-Range Correlations and the EMC Effect in Effective Field Theory. Physical Review Letters, 119(26): 262502. doi:10.1103/PhysRevLett.119.262502.


Cite as: https://hdl.handle.net/21.11116/0000-0001-0078-8
Abstract
We show that the empirical linear relation between the magnitude of the EMC effect in deep inelastic scattering on nuclei and the short-range correlation scaling factor a 2 extracted from high-energy quasielastic scattering at x >= 1 is a natural consequence of scale separation and derive the relationship using effective field theory. While the scaling factor a 2 is a ratio of nuclear matrix elements that individually depend on the calculational scheme, we show that the ratio is independent of this choice. We perform Green's function Monte Carlo calculations with both chiral and Argonne-Urbana potentials to verify this and determine the scaling factors for light nuclei. The resulting values for He-3 and He-4 are in good agreement with experimental values. We also present results for Be-9 and C-12 extracted from variational Monte Carlo calculations.