Study of bound states in 10Be by one neutron removal reactions of 11Be
Journal article, 2017
The bound states of 10Be have been studied by removing single neutrons from 11Be nuclei. A 2.8 MeV u-1 beam of 11Be was produced at ISOLDE, CERN and directed on to both proton and deuteron targets inducing one-neutron removal reactions. Charged particles were detected to identify the two reaction channels (d, t) and (p, d), and the individual states in 10Be were identified by gamma detection. All bound states but one were populated and identified in the (d, t) reaction. The combination of REX-ISOLDE and MINIBALL allowed for a clean separation of the high-lying states in 10Be. This is the first time these states have been separated in a reaction experiment. Differential cross sections have been calculated for all the reaction channels and compared to DWBA calculations. Spectroscopic factors are derived and compared to values from the litterature. While the overall agreement between the spectrocopic factors is poor, the ratio between the ground state and the first excited state is in agreement with the previous measured ones. Furthermore, a significant population of the state is observed, which which may indicate the presence of multi-step processes at our beam energy.
transfer reactions
differential cross section
gamma spectroscopy
10Be
Author
Jacob G. Johansen
Aarhus University
V. Bildstein
Technical University of Munich
M. J. G. Borge
CERN
CSIC - Instituto de Estructura de la Materia (IEM)
M. Cubero
CSIC - Instituto de Estructura de la Materia (IEM)
J. Diriken
KU Leuven
J. Elseviers
KU Leuven
L.M. Fraile
Complutense University
H. O. U. Fynbo
Aarhus University
L. P. Gaffney
University of Liverpool
CERN
R. Gernhauser
Technical University of Munich
Björn Jonson
Chalmers, Physics, Subatomic and Plasma Physics
G. T. Koldste
Aarhus University
J. Konki
CERN
Helsinki Institute of Physics
T. Kröll
Technical University of Munich
Technische Universität Darmstadt
R. Krücken
Technical University of Munich
TRIUMF
D. Mücher
University of Guelph
Thomas Nilsson
Chalmers, Physics, Subatomic and Plasma Physics
K. Nowak
Technical University of Munich
J. Pakarinen
CERN
Helsinki Institute of Physics
V. Pesudo
CSIC - Instituto de Estructura de la Materia (IEM)
R. Raabe
KU Leuven
K. Riisager
Aarhus University
M. Seidlitz
University of Cologne
O. Tengblad
CSIC - Instituto de Estructura de la Materia (IEM)
Hans Törnqvist
Chalmers, Physics
D. Voulot
CERN
N. Warr
University of Cologne
K. Wimmer
Technical University of Munich
University of Tokyo
H. De Witte
KU Leuven
Journal of Physics G: Nuclear and Particle Physics
0954-3899 (ISSN) 13616471 (eISSN)
Vol. 44 4 044009Experimental studies of exotic, light nuclear systems - combining front-line physics and FAIR preparations
Swedish Research Council (VR) (2011-5324), 2012-01-01 -- 2014-12-31.
Subject Categories
Subatomic Physics
Physical Sciences
Roots
Basic sciences
DOI
10.1088/1361-6471/aa5f28