Journal
PHYSICAL REVIEW LETTERS
Volume 105, Issue 22, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.222501
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Funding
- Italian Istituto Nazionale di Fisica Nucleare
- Chilean CONICYT
- French Centre National de la Recherche Scientifique and Commissariat a l'Energie Atomique
- United Kingdom Science and Technology Facilities Council (STFC)
- U.S. Department of Energy and National Science Foundation
- National Research Foundation of Korea
- United States Department of Energy [DE-AC05-060R23177]
- STFC [ST/G008582/1, ST/F500572/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/F500572/1, ST/G008582/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [969434, 965606] Funding Source: National Science Foundation
- National Research Foundation of Korea [2010-0014649] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We have measured the He-3(e, e' pp)n reaction at an incident energy of 4.7 GeV over a wide kinematic range. We identified spectator correlated pp and pn nucleon pairs by using kinematic cuts and measured their relative and total momentum distributions. This is the first measurement of the ratio of pp to pn pairs as a function of pair total momentum p(tot). For pair relative momenta between 0.3 and 0.5 GeV/c, the ratio is very small at low p(tot) and rises to approximately 0.5 at large p(tot). This shows the dominance of tensor over central correlations at this relative momentum.
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