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

  • The proton-removal mechanism of the 12CB 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 [formula] and [formula], 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.

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Author:Valerii PaninORCiDGND, Matthias HollGND, Jonathan Thomas Taylor, Yuliya AksyutinaGND, Héctor Alvarez-PolORCiD, Thomas AumannORCiDGND, Carlos A. BertulaniORCiDGND, Konstanze BoretzkyORCiD, Christoph CaesarORCiDGND, Marielle ChartierORCiD, Leonid V. ChulkovORCiD, Dolores Cortina GilORCiD, Joachim EndersORCiDGND, Olga ErshovaGND, Hans GeisselORCiD, Roman GernhäuserORCiDGND, Michael Heil, Håkan T. JohanssonORCiD, Björn JonsonORCiDGND, Aleksandra Kelić-Heil, Oleg A. Kiselev, Christoph LangerGND, Tudi Le Bleis, Roy Crawford LemmonORCiD, Thomas NilssonORCiD, Stefanos PaschalisORCiDGND, Marina PetriORCiDGND, Ralf Plag, René ReifarthORCiDGND, Dominic M. RossiORCiDGND, Heiko ScheitORCiDGND, Haik SimonGND, Felix WamersGND, Helmut Weick, Christine Wimmer
URN:urn:nbn:de:hebis:30:3-628834
DOI:https://doi.org/10.1016/j.physletb.2019.134802
ISSN:0370-2693
ISSN:1873-2445
Parent Title (English):Physics letters B
Publisher:North-Holland Publ.
Place of publication:Amsterdam
Document Type:Article
Language:English
Date of Publication (online):2019/07/24
Date of first Publication:2019/07/24
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2022/11/11
Tag:Cross sections; Direct nuclear reactions; One-nucleon removal; Quasi-free scattering
Volume:797
Issue:art. 134802
Article Number:134802
Page Number:6
First Page:1
Last Page:6
Note:
The authors acknowledge support from HIC for FAIR, the GSI-TU Darmstadt cooperation agreement, the BMBF under Contract No. 05P19RDFN1, the Helmholtz Alliance EMMI, the Swedish Research Council, the U.S. NS Grant No. 1415656, the DOE grant No. DE-FG02-08ER41533 and the Spanish research agency MINECO under Project No. FPA2015-69640-C2-1-P.
Note:
Funded by SCOAP 3
HeBIS-PPN:505637820
Institutes:Physik
Forschungscluster / ELEMENTS
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0