Hyperdeformation: Difference between revisions
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{{Short description|Extremely deformed atomic nuclei}} |
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In [[nuclear physics]], '''hyperdeformation''' is theoretically predicted states of an [[atomic nucleus]] with extremely elongated shape and very high angular momentum. Less elongated states, [[superdeformation]], |
In [[nuclear physics]], '''hyperdeformation''' is theoretically predicted states of an [[atomic nucleus]] with an extremely elongated shape and a very high angular momentum. Less elongated states, [[superdeformation]], have been well observed, but the experimental evidence for hyperdeformation is more limited. Hyperdeformed states correspond to an axis ratio of 3:1. They would be caused by a third minimum in the [[potential energy surface]], the second causing superdeformation and the first minimum being normal deformation.<ref name="Adamian">{{cite conference|first = G. G.|last = Adamian|author2=N. V. Antonenko |author3=Z. Gagyi-Palffy |author4=S.P. Ivanova |author5=R. V. Jolos |author6=Yu. V. Palchikov |author7=W. Scheid |author8=T.M. Shneidman|author9=A.S. Zubov|year = 2007|title = Nuclear Molecular Structure|book-title = Collective Motion and Phase Transitions in Nuclear Systems: Proceedings of the Predeal International Summer School in Nuclear Physics|edition = illustrated|publisher = World Scientific|page=483|isbn = 978-981-270-083-4}} |
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| first = G. G. |
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| ⚫ | </ref><ref name="Schunck">{{cite journal|last=Schunck|first=N.|author2=Dudek, J. |author3=Herskind, B. |date=May 2007|title=Nuclear hyperdeformation and the Jacobi shape transition|journal=Physical Review C|volume=75|issue=5|pages=id. 054304|doi=10.1103/PhysRevC.75.054304|bibcode = 2007PhRvC..75e4304S }}</ref><ref name="Afanasjev">{{cite journal|last=Abusara|first=H.|author2=Afanasjev, A. V.|year=2009|title=Hyperdeformation in the Cd isotopes: A microscopic analysis|journal=Physical Review C|publisher=American Physical Society|volume=79|issue=2|pages=eid 024317|doi=10.1103/PhysRevC.79.024317|arxiv = 0902.0095 |bibcode = 2009PhRvC..79b4317A |s2cid=119268176 }} [[arXiv]]: [http://www.arxiv.org/abs/0902.0095v1 0902.0095v1]</ref> Hyperdeformation is predicted to be found in [[Isotopes of cadmium|<sup>107</sup>Cd]]. |
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| last = Adamian |
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| coauthors = N. V. Antonenko, 2. Gagyi-Palffy, S.P. Ivanova, R. V. Jolos, Yu. V. Palchikov, W. Scheid, T.M. Shneidman and A.S. Zubov |
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| year = 2007 |
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| title = Nuclear Molecular Structure |
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| booktitle = Collective Motion and Phase Transitions in Nuclear Systems: Proceedings of the Predeal International Summer School in Nuclear Physics |
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| edition = illustrated |
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| publisher = World Scientific |
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| pages = 483 |
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| url = http://books.google.com/books?id=lQVw1Sh6XcgC&pg=PA483 |
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| accessdate = 2009-02-17 |
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| id = ISBN 9812700838 |
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}} |
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| ⚫ | </ref><ref name="Schunck">{{cite journal|last=Schunck|first=N.| |
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==References== |
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Latest revision as of 17:15, 25 June 2024
In nuclear physics, hyperdeformation is theoretically predicted states of an atomic nucleus with an extremely elongated shape and a very high angular momentum. Less elongated states, superdeformation, have been well observed, but the experimental evidence for hyperdeformation is more limited. Hyperdeformed states correspond to an axis ratio of 3:1. They would be caused by a third minimum in the potential energy surface, the second causing superdeformation and the first minimum being normal deformation.[1][2][3] Hyperdeformation is predicted to be found in 107Cd.
References
[edit]- ^ Adamian, G. G.; N. V. Antonenko; Z. Gagyi-Palffy; S.P. Ivanova; R. V. Jolos; Yu. V. Palchikov; W. Scheid; T.M. Shneidman; A.S. Zubov (2007). "Nuclear Molecular Structure". Collective Motion and Phase Transitions in Nuclear Systems: Proceedings of the Predeal International Summer School in Nuclear Physics (illustrated ed.). World Scientific. p. 483. ISBN 978-981-270-083-4.
- ^ Schunck, N.; Dudek, J.; Herskind, B. (May 2007). "Nuclear hyperdeformation and the Jacobi shape transition". Physical Review C. 75 (5): id. 054304. Bibcode:2007PhRvC..75e4304S. doi:10.1103/PhysRevC.75.054304.
- ^ Abusara, H.; Afanasjev, A. V. (2009). "Hyperdeformation in the Cd isotopes: A microscopic analysis". Physical Review C. 79 (2). American Physical Society: eid 024317. arXiv:0902.0095. Bibcode:2009PhRvC..79b4317A. doi:10.1103/PhysRevC.79.024317. S2CID 119268176. arXiv: 0902.0095v1
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