Fine structure in Tm153 decay

K. S. Toth; P. A. Wilmarth; J. M. Nitschke; R. B. Firestone; K. Vierinen; M. O. Kortelahti; F. T. Avignone

doi:10.1103/PhysRevC.38.1932

Fine structure in Tm153 decay

K. S. Toth, P. A. Wilmarth, J. M. Nitschke, R. B. Firestone, K. Vierinen, M. O. Kortelahti, F. T. Avignone

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Abstract

In an investigation of A=153 isotopes fine structure was observed in Tm153 decay. Besides the previously known transitions that feed the Ho149 h11/2 (0.0 keV) and s1/2 (49.0 keV) isomers, two, very much weaker, groups were found to populate the d3/2 (220.4 keV) and d5/2 (564.4 keV) states in Ho149. Based on the Ho149 level scheme and on the Q values for the two main Tm153 transitions, we determine that the h11/2 level in Tm153 is the ground state and that the s1/2 state lies 43±7 keV above it. Energy systematics for the s1/2 and h11/2 proton states in even-N odd-Z nuclei near N=82 are discussed.

Original language	English (US)
Pages (from-to)	1932-1935
Number of pages	4
Journal	Physical Review C
Volume	38
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevC.38.1932
State	Published - 1988
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.38.1932

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title = "Fine structure in Tm153 decay",

abstract = "In an investigation of A=153 isotopes fine structure was observed in Tm153 decay. Besides the previously known transitions that feed the Ho149 h11/2 (0.0 keV) and s1/2 (49.0 keV) isomers, two, very much weaker, groups were found to populate the d3/2 (220.4 keV) and d5/2 (564.4 keV) states in Ho149. Based on the Ho149 level scheme and on the Q values for the two main Tm153 transitions, we determine that the h11/2 level in Tm153 is the ground state and that the s1/2 state lies 43±7 keV above it. Energy systematics for the s1/2 and h11/2 proton states in even-N odd-Z nuclei near N=82 are discussed.",

author = "Toth, {K. S.} and Wilmarth, {P. A.} and Nitschke, {J. M.} and Firestone, {R. B.} and K. Vierinen and Kortelahti, {M. O.} and Avignone, {F. T.}",

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T1 - Fine structure in Tm153 decay

AU - Toth, K. S.

AU - Wilmarth, P. A.

AU - Nitschke, J. M.

AU - Firestone, R. B.

AU - Vierinen, K.

AU - Kortelahti, M. O.

AU - Avignone, F. T.

PY - 1988

Y1 - 1988

N2 - In an investigation of A=153 isotopes fine structure was observed in Tm153 decay. Besides the previously known transitions that feed the Ho149 h11/2 (0.0 keV) and s1/2 (49.0 keV) isomers, two, very much weaker, groups were found to populate the d3/2 (220.4 keV) and d5/2 (564.4 keV) states in Ho149. Based on the Ho149 level scheme and on the Q values for the two main Tm153 transitions, we determine that the h11/2 level in Tm153 is the ground state and that the s1/2 state lies 43±7 keV above it. Energy systematics for the s1/2 and h11/2 proton states in even-N odd-Z nuclei near N=82 are discussed.

AB - In an investigation of A=153 isotopes fine structure was observed in Tm153 decay. Besides the previously known transitions that feed the Ho149 h11/2 (0.0 keV) and s1/2 (49.0 keV) isomers, two, very much weaker, groups were found to populate the d3/2 (220.4 keV) and d5/2 (564.4 keV) states in Ho149. Based on the Ho149 level scheme and on the Q values for the two main Tm153 transitions, we determine that the h11/2 level in Tm153 is the ground state and that the s1/2 state lies 43±7 keV above it. Energy systematics for the s1/2 and h11/2 proton states in even-N odd-Z nuclei near N=82 are discussed.

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JO - Physical Review C

JF - Physical Review C

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ER -

Fine structure in Tm153 decay

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