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Investigation of Proton-Proton Short-Range Correlations via the 12C(e,e'pp) Reaction

By R. Shneor, P. Monaghan and R. Subedi


We investigated simultaneously the 12C(e,e'p) and 12C(e,e'pp) reactions at Q2 = 2 [GeV/c]2, x_B = 1.2, and in an (e,e'p) missing-momentum range from 300 to 600 MeV/c. At these kinematics, with a missing-momentum greater than the Fermi momentum of nucleons in a nucleus and far from the delta excitation, short-range nucleon-nucleon correlations are predicted to dominate the reaction. For(9.5 +/- 2)% of the 12C(e,e'p) events, a recoiling partner proton was observed back-to-back to the 12C(e,e'p) missing momentum vector, an experimental signature of correlations.Comment: 5 pages, 4 figures, submitted to Physical Review Letter

Topics: Nuclear Experiment
Publisher: 'American Physical Society (APS)'
Year: 2007
DOI identifier: 10.1103/PhysRevLett.99.072501
OAI identifier:

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