Disentangling the EMC Effect
E. Piasetzky, O. Hen, L. B. Weinstein
TL;DR
This paper reviews the EMC effect, its correlation with two-nucleon short-range correlations, and discusses a planned experiment to explore the underlying origin of this relationship.
Contribution
It analyzes the robustness of the EMC-SRC correlation and proposes a new experiment to investigate its fundamental cause.
Findings
The EMC effect correlates linearly with 2N-SRC pairs.
High momentum nucleons are linked to the EMC effect.
The paper reviews previous studies and plans future experiments.
Abstract
The deep inelastic scattering cross section for scattering from bound nucleons differs from that of free nucleons.This phenomena, first discovered 30 years ago, is known as the EMC effect and is still not fully understood. Recent analysis of world data showed that the strength of the EMC effect is linearly correlated with the relative amount of Two-Nucleon Short Range Correlated pairs (2N-SRC) in nuclei. The latter are pairs of nucleons whose wave functions overlap, giving them large relative momentum and low center of mass momentum, where high and low is relative to the Fermi momentum of the nucleus. The observed correlation indicates that the EMC effect, like 2N-SRC pairs, is related to high momentum nucleons in the nucleus. This paper reviews previous studies of the EMC-SRC correlation and studies its robustness. It also presents a planned experiment aimed at studying the origin of…
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