Recent results related to excited states of 6Be and 10He
Paper i proceeding, 2012
The 1H(6Li,6Be)n charge-exchange reaction and the 3H(8He, p)10He two-neutron transfer reaction were recently carried out at the ACCULINNA fragment separator (FLNR, Dubna) to populate the ground and excited states of 6Be and 10He nuclei, respectively. The 6Be ET spectrum (ET is the 6Be energy above its 4He+p+p decay threshold) was obtained with high statistics and described by the well-known 0+ ground state of 6Be at ET = 1.37 MeV, the 2+ state at ET = 3.05 MeV and a broad structure extending from 4 to 16 MeV which could be interpreted as the isovector soft dipole mode associated with the 6Li ground state. In the 10He case the 0+ ground state was found at about 2.1(2) MeV (T ∼ 2 MeV) above the 8He+n+n breakup threshold. Angular correlations observed for 10He decay products show prominent interference patterns allowing to draw conclusions about the structure of low-energy excited states: 1- (E T ∼ 5 MeV) and 2+ (ET > 6 MeV).
Författare
A. S. Fomichev
Joint Institute for Nuclear Research, Dubna
A.A. Bezbakh
Joint Institute for Nuclear Research, Dubna
V. Chudoba
Joint Institute for Nuclear Research, Dubna
Slezska univerzita v Opave
I. A. Egorova
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research
S.N. Ershov
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research
M. S. Golovkov
Joint Institute for Nuclear Research, Dubna
A. V. Gorshkov
Joint Institute for Nuclear Research, Dubna
L.V. Grigorenko
GSI Helmholtz Centre for Heavy Ion Research GmbH
National Research Centre "Kurchatov Institute"
Joint Institute for Nuclear Research, Dubna
P. Jalůvková
Joint Institute for Nuclear Research, Dubna
Slezska univerzita v Opave
G. Kaminski
Joint Institute for Nuclear Research, Dubna
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
S. A. Krupko
Joint Institute for Nuclear Research, Dubna
E.A. Kuzmin
National Research Centre "Kurchatov Institute"
E.Y. Nikolskii
Riken
National Research Centre "Kurchatov Institute"
I. G. Mukha
GSI Helmholtz Centre for Heavy Ion Research GmbH
Y. L. Parfenova
Joint Institute for Nuclear Research, Dubna
P.G. Sharov
Joint Institute for Nuclear Research, Dubna
S. I. Sidorchuk
Joint Institute for Nuclear Research, Dubna
R. S. Slepnev
Joint Institute for Nuclear Research, Dubna
S. V. Stepantsov
Joint Institute for Nuclear Research, Dubna
G. M. Ter-Akopian
Joint Institute for Nuclear Research, Dubna
R. Wolski
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Joint Institute for Nuclear Research, Dubna
Mikhail Zhukov
Chalmers, Teknisk fysik, Subatomär fysik
A.A. Yukhimchuk
All-Russian Research Institute of Experimental Physics
S.V. Filchagin
All-Russian Research Institute of Experimental Physics
A.A. Kirdyashkin
All-Russian Research Institute of Experimental Physics
I.P. Maksimkin
All-Russian Research Institute of Experimental Physics
O.P. Vikhlyantsev
All-Russian Research Institute of Experimental Physics
EPJ Web of Conferences
21016275 (ISSN) 2100014X (eISSN)
Vol. 38 Art. no. 15002- 15002Ämneskategorier (SSIF 2011)
Fysik
DOI
10.1051/epjconf/20123815002