Alpha-decay properties of Fr205,206,207,208: Identification of Frm206

B. G. Ritchie; K. S. Toth; H. K. Carter; R. L. Mlekodaj; E. H. Spejewski

doi:10.1103/PhysRevC.23.2342

Alpha-decay properties of Fr205,206,207,208: Identification of Frm206

B. G. Ritchie, K. S. Toth, H. K. Carter, R. L. Mlekodaj, E. H. Spejewski

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27 Scopus citations

Abstract

Alpha-particle and γ-ray spectral measurements were made for Fr205-208. A new α emitter (T12=0.7±0.1 sec and Eα=6.930±0.005 MeV) was observed and identified with the decay of a previously unknown isomer in Fr206. From the α particle and γ ray intensities, α decay branching ratios were deduced for Fr205-208 utilizing available information concerning the nuclides' (electron capture + positron) decay properties. Reduced widths were calculated and compared with those of neighboring nuclei. RADIOACTIVITY Fr205,206,207,208, measured Eγ, Iγ, Eα, Iα; deduced α-branching ratios; identified Frm206. Mass separation.

Original language	English (US)
Pages (from-to)	2342-2344
Number of pages	3
Journal	Physical Review C
Volume	23
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevC.23.2342
State	Published - Jan 1 1981
Externally published	Yes

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ASJC Scopus subject areas

Nuclear and High Energy Physics

Cite this

Ritchie, B. G., Toth, K. S., Carter, H. K., Mlekodaj, R. L., & Spejewski, E. H. (1981). Alpha-decay properties of Fr205,206,207,208: Identification of Frm206. Physical Review C, 23(5), 2342-2344. https://doi.org/10.1103/PhysRevC.23.2342

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abstract = "Alpha-particle and γ-ray spectral measurements were made for Fr205-208. A new α emitter (T12=0.7±0.1 sec and Eα=6.930±0.005 MeV) was observed and identified with the decay of a previously unknown isomer in Fr206. From the α particle and γ ray intensities, α decay branching ratios were deduced for Fr205-208 utilizing available information concerning the nuclides' (electron capture + positron) decay properties. Reduced widths were calculated and compared with those of neighboring nuclei. RADIOACTIVITY Fr205,206,207,208, measured Eγ, Iγ, Eα, Iα; deduced α-branching ratios; identified Frm206. Mass separation.",

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T2 - Identification of Frm206

AU - Ritchie, B. G.

AU - Toth, K. S.

AU - Carter, H. K.

AU - Mlekodaj, R. L.

AU - Spejewski, E. H.

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AB - Alpha-particle and γ-ray spectral measurements were made for Fr205-208. A new α emitter (T12=0.7±0.1 sec and Eα=6.930±0.005 MeV) was observed and identified with the decay of a previously unknown isomer in Fr206. From the α particle and γ ray intensities, α decay branching ratios were deduced for Fr205-208 utilizing available information concerning the nuclides' (electron capture + positron) decay properties. Reduced widths were calculated and compared with those of neighboring nuclei. RADIOACTIVITY Fr205,206,207,208, measured Eγ, Iγ, Eα, Iα; deduced α-branching ratios; identified Frm206. Mass separation.

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10.1103/PhysRevC.23.2342