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

Author(s)
Chen, Jiunn-Wei; Detmold, William; Lynn, Joel E.; Schwenk, Achim
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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 a₂ 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 a₂ 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 ³He and ⁴He are in good agreement with experimental values. We also present results for ⁹Be and ¹²C extracted from variational Monte Carlo calculations.
Date issued
2017-12
URI
http://hdl.handle.net/1721.1/114299
Department
Massachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Chen, Jiunn-Wei et al. "Short-Range Correlations and the EMC Effect in Effective Field Theory." Physical Review Letters 119, 26 (December 2017): 262502 © 2017 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114

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