Search for the [beta][sup +] decay of [sup 54]Mn

We have performed a search for the [beta][sup +] decay of [sup 54]Mn by looking for back-to-back 511-keV [gamma] rays in two high-purity Ge detectors. No excess of events above background was observed, and a limit of 5.7[times]10[sup [minus]7]% has been established for the [beta][sup +] branch. The...

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Veröffentlicht in:	Physical review. C, Nuclear physics Nuclear physics, 1993-12, Vol.48:6
Hauptverfasser:	da Cruz, M.T.F., Chan, Y., Garcia, A., Hindi, M.M., Kenchian, G., Larimer, R., Lesko, K.T., Norman, E.B., Stokstad, R.G., Wietfeldt, F.E., Zlimen, I.
Format:	Artikel
Sprache:	eng
Schlagworte:	663210 - Ground-State Radioactivity- (1992-) 663540 - Nuclear Mass Ranges- A=39-58- (1992-) BETA DECAY BETA DECAY RADIOISOTOPES BETA-PLUS DECAY BRANCHING RATIO COSMIC RADIATION DAYS LIVING RADIOISOTOPES DECAY ELECTRON CAPTURE RADIOISOTOPES GAMMA SPECTROSCOPY HALF-LIFE INTERMEDIATE MASS NUCLEI IONIZING RADIATIONS ISOTOPES MANGANESE 54 MANGANESE ISOTOPES NUCLEAR DECAY NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEI ODD-ODD NUCLEI RADIATIONS RADIOISOTOPES SPECTROSCOPY YEARS LIVING RADIOISOTOPES
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Beschreibung
Zusammenfassung:	We have performed a search for the [beta][sup +] decay of [sup 54]Mn by looking for back-to-back 511-keV [gamma] rays in two high-purity Ge detectors. No excess of events above background was observed, and a limit of 5.7[times]10[sup [minus]7]% has been established for the [beta][sup +] branch. The significance of this result for the use of [sup 54]Mn as a cosmic ray chronometer is discussed.
ISSN:	0556-2813 1089-490X
DOI:	10.1103/PhysRevC.48.3110