Two-proton correlations at small relative momentum q were studied in the eA(He-3, He-4, C, Fe)-->e'ppX reaction at E-0=4.46 GeV using the CLAS detector at Jefferson Lab. The enhancement of the correlation function at small q was found to be in accordance with theoretical expectations. Sizes of the emission region were extracted, and proved to be dependent on A and on the proton momentum. The size of the two-proton emission region for He was measured in eA reactions for the first time.
Proton Source Size Measurements in the eA->e'ppX Reaction
CORVISIERO, PIETRO;RICCO, GIOVANNI;TAIUTI, MAURO GINO;
2004-01-01
Abstract
Two-proton correlations at small relative momentum q were studied in the eA(He-3, He-4, C, Fe)-->e'ppX reaction at E-0=4.46 GeV using the CLAS detector at Jefferson Lab. The enhancement of the correlation function at small q was found to be in accordance with theoretical expectations. Sizes of the emission region were extracted, and proved to be dependent on A and on the proton momentum. The size of the two-proton emission region for He was measured in eA reactions for the first time.
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