Search for three-nucleon short-range correlations in light nuclei
Z. Ye, P. Solvignon, D. Nguyen, P. Aguilera, Z. Ahmed, H. Albataineh,, K. Allada, B. Anderson, D. Anez, K. Aniol, J. Annand, J. Arrington, T., Averett, H. Baghdasaryan, X. Bai, A. Beck, S. Beck, V. Bellini, F., Benmokhtar, A. Camsonne, C. Chen, J.-P. Chen, K. Chirapatpimol
TL;DR
This study investigates short-range correlations in light nuclei using electron scattering, confirming 2N correlations dominate at certain conditions and challenging previous claims of 3N correlation dominance.
Contribution
The paper provides new experimental data that clarifies the dominance of 2N SRCs and questions the prevalence of 3N SRCs in light nuclei.
Findings
2N SRCs dominate for 1.5 < x < 2
Data do not support 3N SRC dominance for x > 2
Isolating 3N SRCs is more complex than 2N SRCs
Abstract
We present new data probing short-range correlations (SRCs) in nuclei through the measurement of electron scattering off high-momentum nucleons in nuclei. The inclusive 4He/3He cross section ratio is observed to be both x and Q2 independent for 1.5 < x < 2, confirming the dominance of two- nucleon (2N) short-range correlations (SRCs). For x > 2, our data do not support a previous claim of three-nucleon (3N) correlation dominance. While contributions beyond those from stationary 2N- SRCs are observed, our data show that isolating 3N-SRCs is more complicated than for 2N-SRCs.
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Taxonomy
TopicsNuclear physics research studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research