Measurement of the EMC effect in light and heavy nuclei
J. Arrington, J. Bane, A. Daniel, N. Fomin, D. Gaskell, J. Seely, R., Asaturyan, F. Benmokhtar, W. Boeglin, P. Bosted, M.H.S. Bukhari, M.E., Christy, S. Connell, M.M. Dalton, D. Day, J. Dunne, D. Dutta, L. El Fassi, R., Ent, H. Fenker, H. Gao, R.J. Holt, T. Horn, E. Hungerford
TL;DR
This study measures the EMC effect across various nuclei using inclusive electron scattering at Jefferson Lab, providing more precise data to understand how nuclear structure influences quark distributions.
Contribution
It offers new, high-precision measurements of the EMC effect in light and heavy nuclei over a range of momentum transfers, enhancing understanding of nuclear dependence.
Findings
Improved precision in EMC effect measurements at large x.
Data across multiple nuclei including light and heavy elements.
Enhanced understanding of A dependence of the EMC effect.
Abstract
Inclusive electron scattering from nuclear targets has been measured to extract the nuclear dependence of the inelastic cross section in Hall C at the Thomas Jefferson National Accelerator facility. Results are presented for 2H, 3He, 4He, 9B, 12C, 63Cu and 197Au at an incident electron beam energy of 5.77 GeV for a range of momentum transfer from Q^2 = 2 to 7 (GeV/c)^2. These data improve the precision of the existing measurements of the EMC effect in the nuclear targets at large x, and allow for more detailed examinations of the A dependence of the EMC effect.
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