Quasi-free proton knockout from ¹²C on carbon target at 398 MeV/u

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Panin, V, Holl, M, Taylor, JT ORCID: 0000-0001-8574-8322, Aksyutina, Y, Alvarez-Pol, H, Aumann, T, Bertulani, CA, Boretzky, K, Caesar, C, Chartier, M ORCID: 0000-0003-0578-5567 et al (show 25 more authors) , Chulkov, LV, Cortina-Gil, D, Enders, J, Ershova, O, Geissel, H, Gernhäuser, R, Heil, M, Johansson, HT, Jonson, B, Kelić-Heil, A, Kiselev, O, Langer, C, Le Bleis, T, Lemmon, R, Nilsson, T, Paschalis, S, Petri, M, Plag, R, Reifarth, R, Rossi, D, Scheit, H, Simon, H, Wamers, F, Weick, H and Wimmer, C (2019) Quasi-free proton knockout from ¹²C on carbon target at 398 MeV/u. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 797. p. 134802.

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Abstract

© 2019 The Author(s) 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.

Item Type:	Article
Uncontrolled Keywords:	Direct nuclear reactions, One-nucleon removal, Quasi-free scattering, Cross sections
Depositing User:	Symplectic Admin
Date Deposited:	27 Aug 2019 09:01
Last Modified:	19 Jan 2023 00:28
DOI:	10.1016/j.physletb.2019.134802
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3052433