Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-09-28
Phys.Rev.Lett.106:052301,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, 2 figures, minor changes for PRL acceptance, reference 12 corrected
Scientific paper
10.1103/PhysRevLett.106.052301
This paper shows quantitatively that the magnitude of the EMC effect measured in electron deep inelastic scattering (DIS) at intermediate $x_B$, $0.35\le x_B\le 0.7$, is linearly related to the Short Range Correlation (SRC) scaling factor obtained from electron inclusive scattering at $x_B\ge 1.$. The observed phenomenological relationship is used to extract the ratio of the deuteron to the free $pn$ pair cross sections, the DIS cross section for a free neutron, and $F_2^n/F_2^p$, the ratio of the free neutron to free proton structure functions. We speculate that the observed correlation is because both the EMC effect and SRC are dominated by the high virtuality (high momentum) nucleons in the nucleus.
Gomez Javier
Hen O.
Higinbotham Douglas W.
Piasetzky Eli
Shneor R.
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