Quasi-free proton knockout from 12C on carbon target at 398 MeV/u
V. Panin, M. Holl, J.T. Taylor and 32 more
Physics Letters B · 2019
doi:10.1016/j.physletb.2019.134802 (opens in a new tab)
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Abstract
The proton-removal mechanism of the 12C→11B reaction induced on a carbon target via elementary nucleon-nucleon scattering is investigated in exclusive triple-coincidence measurements. The observed two-nucleon angular correlations are found to be consistent with quasi-free scattering of a projectile-like proton off a target-like nucleon. Exclusive cross sections for one-step pp and pn interactions are determined as σpp=17.2(12) mb and σpn=18.2(18), respectively. The extracted quasi-free component amounts up to 58(4)% of the total proton-removal cross section. The results are compared to total proton-removal cross sections obtained from the experiment and eikonal reaction theory. Keywords: Direct nuclear reactions, One-nucleon removal, Quasi-free scattering, Cross sections
Abstract licence: CC BY
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