Trap-assisted separation of nuclear states for gamma-ray spectroscopy: the example of 100Nb

Camino Rodriguez Triguero, Alison Bruce, A.M.D. Bacelar, T. Eronen, I.D. Moore, M. Bowry, A.Y. Deo, V.V. Elomaa, D. Gorelov, J. Hakala, A. Jokinen, A. Kankainan, P. Karvonen, V.S. Kolhinen, J. Kurpeta, T. Malkiewicz, P.J.R. Mason, H. Penttilä, M. Reponen, S. Rinta-AntilaJ. Rissanen, A. Saastamoinen, G.S. Simpson, J. Äystö

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Low-lying levels in 100Mo are known to be populated by beta decay from both the ground and isomeric states in 100Nb. The small energy difference (~3 ppm) between the two parent states and the similarity of their half-lives make it difficult to distinguish experimentally between the two decay paths. A new technique for separating different states of nuclei has recently been developed in a series of experiments at the IGISOL facility, using the JYFLTRAP installation, at the University of Jyväskylä where mass resolution ~2 ppm was achieved in mass measurements and in the production of 133mXe. This paper reports on the extension of this technique to allow the separate study of the gamma-ray decay of levels populated by the different parent states.
Original languageEnglish
JournalJournal of Physics G-Nuclear and Particle Physics
Issue number1
Publication statusPublished - 24 Nov 2011


  • Nuclear Physics


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