Madurga, M., García Borge, María José, Fynbo, H.O.U., Jonson, B., Nyman, G., Prezado, Y., ...
The aim of this work is to find out the origin of the anomalous resonance in Be-8 seen in the reactions through excited states in Be-9. We have populated the Be-9 excited states by beta-decay of...
Large asymmetry in the strongest beta-transition for A=9 (2008)
Prezado, Y., Bergmann, U.C., García Borge, María José, Cederkäll, J., Diget, C.Aa., Fraile, L.M., ...
A new measurement of the beta-decay of Li-9 has clarified the feeding to the highest accessible states in Be-9. It is found that the P-decay mainly populates the 11.8 MeV state, whose spin is...
New information on C-12 states from the decays of N-12 and B-12 (2008)
Fynbo, H.O.U., Bergmann, U.C., García Borge, María José, Dendooven, P., Diget, C.Aa., Huang, W., ...
The properties of states in C-12 above the 3alpha-threshold are of high current interest for nuclear astrophysics and for the nuclear many-body problem in general. We have initiated a series of...
Clarification of the three-body decay of C-12 (12.71 MeV) (2008)
Fynbo, H. O. U., Prezado, Y., Bergmann, U.C., García Borge, María José, Dendooven, P., Huang, W. X., ...
Using beta decays of a clean source of N-13 produced at the IGISOL facility, we have measured the breakup of the C-12 (12.71 MeV) state into three alpha particles with a segmented particle detector...
Correlated emission of three alpha-particles in the beta-decay of N-12 (2008)
Fynbo, H.O.U., Prezado, Y., Äystö, J., Bergmann, U.C., García Borge, María José, Dendooven, P., ...
The beta-decay of N-12 is used to populate alpha-emitting excited states in 12 degreesC. The alpha-particles from the break-up of both the 10.3 MeV and 12.71 MeV states were measured in coincidence...
Asymmetry in the super-allowed beta-transitions of the A=9 isobars (2008)
García Borge, María José, Prezado, Y., Bergmann, U.C., Boutami, R., Cederkäll, J., Diget, C.Aa, ...
We report here on the recent beta-decay studies of the A = 9 isobar made at ISOLDE/CERN. Mirror beta transitions in the A=9 chain are compared and a large asymmetry factor is deduced for the...
Shell structure of the near-dripline nucleus O-23 (2008)
Cortina-Gil, D., Fernández-Vázquez, J., Aumann, T., Baumann, T., Benlliure, J., García Borge, María José, ...
Breakup reactions were used to study the ground-state configuration of the neutron-rich isotope O-23. The O-22 fragments produced in one-nucleon removal from O-23 at 938 MeV/nucleon in a carbon...
News on C-12 from beta-decay studies (2008)
Fynbo, H.O.U., Diget, C.Aa., Prezado, Y., Äystö, J., Bergmann, U.C., Cederkäll, J., ...
We discuss the importance of the spectroscopic properties of the resonances of C-12 just above the 3alpha-threshold, and review the existing experimental information of this region with emphasis on...
Beta-delayed multiparticle emission studies at ISOL-type facilities (2008)
García Borge, María José, Bergmann, U.C., Boutami, R., Cederkäll, J., Dendooven, P., Fraile, L.M., ...
We report here on the recent beta-decay studies made at ISOL-type Facilities to determine the multiparticle breakup mechanism of excited states in light nuclei by studying them in full kinematics. In...
The beta-decay of Li-9 to the high lying states in Be-9 (2008)
Prezado, Y., Bergmann, U.C., García Borge, María José, Cerdekäll, J., Fraile, L.M., Fynbo, H.O.U., ...
Peer reviewed
Structure of neutron-rich oxygen isotopes (2008)
Cortina-Gil, D., Fernández-Vázquez, J., Aumann, T., Baumann, T., Benlliure, J., García Borge, María José, ...
One-nucleon removal reactions at relativistic energies have been used as a spectroscopic tool for obtaining information about the ground state of neutron-rich oxygen isotopes. Using the FRS at GSI,...
One-neutron knockout of O-23 (2008)
Cortina-Gil, D., Fernández-Vázquez, J., Aumann, T., Baumann, T., Benlliure, J., García Borge, María José, ...
Breakup reactions were used to study the ground-state configuration of the neutron-rich isotope O-23. The O-22 fragments produced in one-nucleon removal from O-23 at 938 MeV/nucleon in a carbon...
Fynbo, H.O.U., Diget, C.A., Bergmann, U.C., García Borge, María José, Cederkäll, J., Dendooven, P., ...
In the centres of stars where the temperature is high enough, three alpha-particles (helium nuclei) are able to combine to form C-12 because of a resonant reaction leading to a nuclear excited...
Low-lying resonance states in the 9Be continuum (2008)
Prezado, Y., García Borge, María José, Diget, C.Aa., Fraile, L.M., Fulton, B.R., Fynbo, H.O.U., ...
Excited states in Be-9 from 2 to 9 MeV are studied via beta delayed particle emission from Li-9. The broad overlapping particle unbound states are investigated using an extension of an experimental...
Properties of the C-12 10 MeV state determined through beta-decay (2008)
Diget, C.Aa., Barker, F. C., García Borge, María José, Cederkäll, J., Fedosseev, V.N., Fraile, L.M., ...
The beta-delayed triple-alpha particle decay of B-12 has been measured with a setup that favours coincidence detection. A broad state in C-12, previously reported around 10 MeV, has been seen and its...
Clarification of the low-lying states of Be-9 (2008)
García Borge, María José, Prezado, Y., Tengblad, O., Fynbo, H. O. U., Riisager, K., Jonson, B.
A newly developed technique for dealing with three-body decays of broad isolated levels is extended to deal with the broad, overlapping levels found at 2-9MeV excitation energy in Be-9. The levels...
Shell Structure of the Near-Dripline Nucleus 23O (2008)
Cortina-Gil, D., Fernández-Vázquez, J., Aumann, T., Baumann, T., Benlliure, J., García Borge, María José, ...
Breakup reactions were used to study the ground-state configuration of the neutron-rich isotope 23O. The 22O fragments produced in one-nucleon removal from 23O at 938 MeV=nucleon in a carbon target...
Spectroscopy of light exotic nuclei using nuclear break-up (2004)
Cortina-Gil, D., Fernandez-Vazquez, J., Aumann, T., Baumann, T., Benlliure, J., ...
One-nucleon removal reactions at relativistic energies have been used as spectroscopic tool to obtain information about the ground state properties of several neutron-rich isotopes in the sd-shell....
Spectroscopy of light exotic nuclei using nuclear break-up (2004)
Cortina-Gil, D., Fernandez-Vazquez, J., Aumann, T., Baumann, T., Benlliure, J., ...
One-nucleon removal reactions at relativistic energies have been used as spectroscopic tool to obtain information about the ground state properties of several neutron-rich isotopes in the sd-shell....