beta-delayed two-proton decay of S-27 at the proton-drip line

beta-delayed two-proton decay of S-27 at the proton-drip line

The beta-delayed two-proton (beta 2p) decay of S-27 was studied using a state-of-the-art silicon array and Clover-type HPGe detectors. An energy peak at 6372(15) keV with a branching ratio of 2.4(5)% in the decay-energy spectrum was identified as a two-proton transition via the isobaric-analog state...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Physical review. C 2021-06, Vol.103 (6), Article 061301
Hauptverfasser: Shi, G. Z., Liu, J. J., Lin, Z. Y., Zhu, H. F., Xu, X. X., Sun, L. J., Liang, P. F., Lin, C. J., Lee, J., Yuan, C. X., Wang, S. M., Li, Z. H., Xu, H. S., Hu, Z. G., Yang, Y. Y., Chen, R. F., Wang, J. S., Wang, D. X., Wu, H. Y., Wang, K., Duan, F. F., Lam, Y. H., Ma, P., Gao, Z. H., Hu, Q., Bai, Z., Ma, J. B., Wang, J. G., Zhong, F. P., Wu, C. G., Luo, D. W., Jiang, Y., Liu, Y., Hou, D. S., Li, R., Ma, N. R., Ma, W. H., Yu, G. M., Patel, D., Jin, S. Y., Wang, Y. F., Yu, Y. C., Zhou, Q. W., Wang, P., Hu, L. Y., Wang, X., Zang, H. L., Li, P. J., Gao, Q. R., Jian, H., Zha, S. X., Dai, F. C., Fan, R., Zhao, Q. Q., Yang, L., Wen, P. W., Yang, F., Jia, H. M., Zhang, G. L., Pan, M., Wang, X. Y., Sun, H. H., Zhou, X. H., Zhang, Y. H., Wang, M., Liu, M. L., Ong, H. J., Yang, W. Q.
Format: Artikel
Sprache:eng
Schlagworte:
Physical Sciences
Physics
Physics, Nuclear
Science & Technology
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The beta-delayed two-proton (beta 2p) decay of S-27 was studied using a state-of-the-art silicon array and Clover-type HPGe detectors. An energy peak at 6372(15) keV with a branching ratio of 2.4(5)% in the decay-energy spectrum was identified as a two-proton transition via the isobaric-analog state in P-27 to the ground state of Al-25 in the beta decay of S-27. Two-proton angular correlations were measured by the silicon array to study the mechanism of two-proton emission. Based on experimental results and Monte Carlo simulations, it was found that the main mechanism for the emission of beta 2p by S-27 is of sequential nature.
ISSN:2469-9985
2469-9993
DOI:10.1103/PhysRevC.103.L061301