TY  - JOUR
AU  - Goigoux, T. et al
AU  - Algora, A.
AU  - Guadilla, V.
AU  - Montaner-Piza, A.
AU  - Morales, A. I.
AU  - Orrigo, S. E. A.
AU  - Rubio, B.
AU  - Gelletly, W.
PY  - 2016
DA  - 2016//
TI  - Two-Proton Radioactivity of Kr-67
T2  - Phys. Rev. Lett.
JO  - Physical Review Letters
SP  - 162501
EP  - 6pp
VL  - 117
IS  - 16
PB  - Amer Physical Soc
AB  - In an experiment with the BigRIPS separator at the RIKEN Nishina Center, we observed two-proton (2p) emission from Kr-67. At the same time, no evidence for 2p emission of Ge-59 and Se-63, two other potential candidates for this exotic radioactivity, could be observed. This observation is in line with Q value predictions which pointed to Kr-67 as being the best new candidate among the three for two-proton radioactivity. Kr-67 is only the fourth 2p ground-state emitter to be observed with a half-life of the order of a few milliseconds. The decay energy was determined to be 1690(17) keV, the 2p emission branching ratio is 37(14)%, and the half-life of Kr-67 is 7.4(30) ms.
SN  - 0031-9007
UR  - https://doi.org/10.1103/PhysRevLett.117.162501
DO  - 10.1103/PhysRevLett.117.162501
LA  - English
N1  - WOS:000385641900003
ID  - Goigoux_etal2016
ER  -