Title: Spin polarization of Al-34 fragments produced by nucleon pickup at intermediate energies
Authors: Turzo, K ×
Himpe, Pieter
Balabanski, DL
Belier, G
Borremans, D
Daugas, JM
Georgiev, G
Santos, FDO
Mallion, S
Matea, I
Neyens, Gerda
Penionzhkevich, YE
Stodel, C
Vermeulen, Nele
Yordanov, Deyan #
Issue Date: Apr-2006
Publisher: American physical soc
Series Title: Physical Review C vol:73 issue:4 pages:1-7
Article number: 044313
Abstract: The polarization of Al-34 fragments, produced by single neutron pickup from a Be-9 target by a S-36 projectile at 77.5 MeV/nucleon, have been observed at GANIL via the detection of resonantly destroyed beta-asymmetry. The reaction-induced polarization is deduced using a tentative spin/parity assignment for the Al-34 ground state. A positive polarization was measured near the peak of the Al-34 yield curve. A kinematical model based on the spectator-participant model for projectile fragmentation reactions has been extended in order to take into account the features of pickup reactions, i.e., the picked-up nucleon having an average momentum equal to the Fermi momentum and aligned along the incident beam direction. The trend-line in the observed spin-orientation is very well reproduced by this model.
ISSN: 2469-9985
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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