Study of three-nucleon mechanisms in the photodisintegration of 3He |
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| Institution: | 1. Dielectric Research Laboratory, Department of Physics, Jai Narain Vyas University, Jodhpur 342 005, India;2. CSIR-National Institute of Science Communication and Information Resources, New Delhi 110 012, India;1. Chemometrics Group, Department of Analytical Chemistry, Universitat de Barcelona, Av. Diagonal, 645, 08028 Barcelona, Catalonia, Spain;2. Irstea, UMR ITAP, rue Jean-François Breton, Montpellier F-34196, France |
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| Abstract: | The cross section of the 3He(γ,pp)n reaction has been measured for the first time over a wide photon energy and proton angular range (200 MeV ≤ Eγ ≤ 800 MeV; 20° ≤ ϑplab ≤ 160°) using the large acceptance detector DAPHNE at the tagged photon facility of the MAMI microtron in Mainz. The wide kinematical coverage of the measurement has allowed a detailed analysis of three-nucleon absorption mechanisms. A model developed by Laget explains the main characteristics of the data in the Δ resonance region. |
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