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High K Bands in Mid-Supershell Nuclei

Abstract
The spectrum of prompt conversion electrons emitted by excited 254No nuclei has been measured, revealing discrete lines arising from transitions within the ground state band. A striking feature is a broad distribution that peaks near 100 keV and comprises high multiplicity electron cascades, probably originating from M1 transitions within rotational bands built on high K states. Evidence for the existence of isomeric states in 254No is presented.
Main Authors
Butler, P. A. Humphreys, R. D. Greenlees, P. T. Herzberg, R.-D. Jenkins, D. G. Jones, G. D. Kankaanpää, H. Kettunen, H. Rahkila, P. Scholey, C. Uusitalo, J. Amzal, N. Andreoiu, C. Andreyev, A Appelbe, D. Bastin, J. E. Brew, P. M. T. Eskola, K. Freeman, S. J. Gerl, J. Hammond, N. J. Hauschild, K. Helariutta, K. Hessberger, F.-P. Huerstel, A. Ikin, P. J. C. Jones, P. M. Joss, D. T. Julin, R. Juutinen, S. Keenan, A. Khoo, T.-L. Korten, W. Kuusiniemi, P. Le Coz, Y. Leino, M. Leppänen, A.-P. Muikku, M. Nieminen, P. Odegard, S. W. Page, R. D. Page, T. Pakarinen, J. Reiter, P. Simpson, J. Sletten, G. Theisen, Ch. Varley, B. J. Wollersheim, H.-J.
Format
Articles Research article
Published
2003
Series
Acta Physica Polonica B
Publication in research information system
https://converis.jyu.fi/converis/portal/detail/Publication/117509391
Publisher
Jagiellonian university press
Original source
https://www.actaphys.uj.edu.pl/R/34/4/2107
The permanent address of the publication
https://urn.fi/URN:NBN:fi:jyu-202204042155Use this for linking
Review status
Peer reviewed
ISSN
0587-4254
Language
English
Published in
Acta Physica Polonica B
Citation
  • Butler, P. A., Humphreys, R. D., Greenlees, P. T., Herzberg, R.-D., Jenkins, D. G., Jones, G. D., Kankaanpää, H., Kettunen, H., Rahkila, P., Scholey, C., Uusitalo, J., Amzal, N., Andreoiu, C., Andreyev, A., Appelbe, D., Bastin, J. E., Brew, P. M. T., Eskola, K., Freeman, S. J., . . . Wollersheim, H.-J. (2003). High K Bands in Mid-Supershell Nuclei. Acta Physica Polonica B, 34(4), 2107-2117. https://www.actaphys.uj.edu.pl/R/34/4/2107
License
CC BY 4.0Open Access
Additional information about funding
This work was supported by the EU 5th framework programme "Improving Human Potential - Access to Research Infrastructure" (HPRI-CT-1999-00044), The Academy of Finland under the Finnish Centre of Excellence Programme 2000-2005, the U.K. Engineering and Physical Scienes Research Council, and the U.S. Department of Energy.
Copyright© 2003 Jagellonian University

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