Ground-state β branching of gaseous fission products and their daughters for A = 88 − 91

The ground-state ..beta.. branchings for several mass-separated Kr fission products and their daughters have been measured at the TRISTAN on-line separator facility at the Ames Laboratory Research Reactor. Absolute ..beta.. counting was done with a 4..pi..-geometry plastic scintillation detector and...

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Veröffentlicht in:	Phys. Rev., C; (United States) C; (United States), 1976-06, Vol.13 (6), p.2492-2500
Hauptverfasser:	Wohn, F. K., Glascock, M. D., Talbert, W. L., Hsue, S. T., Hanson, R. J.
Format:	Artikel
Sprache:	eng
Schlagworte:	651622 - Nuclear Properties & Reactions, A=59-89, Experimental- Radioactive Decay- (-1987) 651722 - Nuclear Properties & Reactions, A=90-149, Experimental- Radioactive Decay- (-1987) ACTINIDE ISOTOPES ACTINIDE NUCLEI ALKALI METAL ISOTOPES ALPHA DECAY RADIOISOTOPES BARYON REACTIONS BASIC INTERACTIONS BETA DECAY BETA DECAY RADIOISOTOPES BETA-MINUS DECAY RADIOISOTOPES BETA-PLUS DECAY RADIOISOTOPES DECAY EVEN-EVEN NUCLEI EVEN-ODD NUCLEI FISSION FISSION PRODUCTS HADRON REACTIONS HEAVY NUCLEI HOURS LIVING RADIOISOTOPES INTERACTIONS INTERMEDIATE MASS NUCLEI ISOMERIC TRANSITION ISOTOPES ISOTOPES KRYPTON 88 KRYPTON 89 KRYPTON 90 KRYPTON 91 KRYPTON ISOTOPES LEPTONIC DECAY MINUTES LIVING RADIOISOTOPES NEUTRON REACTIONS NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEAR REACTIONS NUCLEI NUCLEON REACTIONS ODD-EVEN NUCLEI ODD-ODD NUCLEI PARTICLE DECAY RADIOACTIVE MATERIALS RADIOISOTOPES RUBIDIUM 88 RUBIDIUM 89 RUBIDIUM 90 RUBIDIUM 91 RUBIDIUM ISOTOPES SECONDS LIVING RADIOISOTOPES URANIUM 235 URANIUM ISOTOPES WEAK INTERACTIONS WEAK PARTICLE DECAY YEARS LIVING RADIOISOTOPES
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Zusammenfassung:	The ground-state ..beta.. branchings for several mass-separated Kr fission products and their daughters have been measured at the TRISTAN on-line separator facility at the Ames Laboratory Research Reactor. Absolute ..beta.. counting was done with a 4..pi..-geometry plastic scintillation detector and ..gamma.. spectra were taken simultaneously with a Ge(Li) detector. The deduced values of the ground-state ..beta.. branching ..beta../sub gs/, expressed as a percentage of decays, are: /sup 88/Kr, 14 +- 4; /sup 88/Rb, 78.0 +- 1.2; /sup 89/Kr, 23 +- 4; /sup 89/Rb, 25 +- 5; /sup 90/Kr, 29 +- 4; /sup 90/Rb/subg/, 37 +- 5; /sup 91/Kr, 10 +- 4; /sup 91/Rb, 5 +- 5. (AIP)
ISSN:	0556-2813
DOI:	10.1103/PhysRevC.13.2492