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Proton source size measurements in the eA-->e'ppX reaction |
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| Authors: | Stavinsky A V Mikhailov K R Lednicky R Vlassov A V Adams G Ambrozewich P Anciant E Anghinolfi M Asavapibhop B Asryan G Audit G Auger T Avakian H Bagdasaryan H Ball J P Barrow S Batourine V Battaglieri M Beard K Bektasoglu M Bellis M Benmouna N Bianchi N Biselli A S Boiarinov S Bonner B E Bouchigny S Bradford R Branford D Brooks W K Burkert V D Butuceanu C Calarco J R Carman D S Cetina C Chen S Cole P L Cords D Coleman A Corvisiero P Crabb D Cummings J P Dashyan N Sanctis E De Vita R De Degtyarenko P V Denizli H Dennis L Deur A Dharmawardane K V Djalali C Dodge G E Doughty D Dragovitsch P |
| Institution: | Institute of Theoretical and Experimental Physics, Moscow, 117218, Russia. |
| Abstract: | Two-proton correlations at small relative momentum q were studied in the eA(3He,4He,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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