The reaction C12(e,e′pp) has been studied at an energy transfer ω=212MeV and a three-momentum transfer |q|=70MeV/c. The measured missing-energy spectrum shows a signature for knockout of proton pairs from (1p)2, (1p,1s), and (1s)2 states. A comparison of the data with a calculation, in which different processes leading to two-nucleon knockout are accounted for, shows that the measured cross section for the knockout of a (1p)2 pair can largely be attributed to short-range nucleon-nucleon correlations.
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