학술논문
Quasi-free proton knockout from 12C on carbon target at 398 MeV/u
Document Type
article
Author
V. Panin; M. Holl; J.T. Taylor; Y. Aksyutina; H. Alvarez-Pol; T. Aumann; C.A. Bertulani; K. Boretzky; C. Caesar; M. Chartier; L.V. Chulkov; D. Cortina-Gil; J. Enders; O. Ershova; H. Geissel; R. Gernhäuser; M. Heil; H.T. Johansson; B. Jonson; A. Kelić-Heil; O. Kiselev; C. Langer; T. Le Bleis; R. Lemmon; T. Nilsson; S. Paschalis; M. Petri; R. Plag; R. Reifarth; D. Rossi; H. Scheit; H. Simon; F. Wamers; H. Weick; C. Wimmer
Source
Physics Letters B, Vol 797, Iss , Pp - (2019)
Subject
Language
English
ISSN
0370-2693
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