Examination of the low-energy enhancement of the γ -ray strength function of Fe56

Examination of the low-energy enhancement of the γ -ray strength function of Fe56

A model-independent technique was used to determine the gamma-ray strength function (gamma SF) of Fe-56 down to gamma-ray energies less than 1 MeV for the first time with GRETINA using the (p, p') reaction at 16MeV. No difference was observed in the energy dependence of the gamma SF built on 2(...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Physical review. C 2018-02, Vol.97 (2)
Hauptverfasser: Jones, M. D., Macchiavelli, A. O., Wiedeking, M., Bernstein, L. A., Crawford, H. L., Campbell, C. M., Clark, R. M., Cromaz, M., Fallon, P., Lee, I. Y., Salathe, M., Wiens, A., Ayangeakaa, A. D., Bleuel, D. L., Bottoni, S., Carpenter, M. P., Davids, H. M., Elson, J., Görgen, A., Guttormsen, M., Janssens, R. V. F., Kinnison, J. E., Kirsch, L., Larsen, A. C., Lauritsen, T., Reviol, W., Sarantites, D. G., Siem, S., Voinov, A. V., Zhu, S.
Format: Artikel
Sprache:eng
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:A model-independent technique was used to determine the gamma-ray strength function (gamma SF) of Fe-56 down to gamma-ray energies less than 1 MeV for the first time with GRETINA using the (p, p') reaction at 16MeV. No difference was observed in the energy dependence of the gamma SF built on 2(+) and 4(+) final states, supporting the Brink hypothesis. In addition, angular distribution and polarization measurements were performed. The angular distributions are consistent with dipole radiation. The polarization results show a small bias towards magnetic character in the region of the enhancement.
ISSN:2469-9985