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  Long-lived isomers in neutron-rich Z = 72–76 nuclides

Reed, M., Walker, P., Cullen, I., Litvinov, Y., Shubina, D., Dracoulis, G., et al. (2012). Long-lived isomers in neutron-rich Z = 72–76 nuclides. Physical Review C, 86(5): 054321, pp. 1-14. doi:10.1103/PhysRevC.86.054321.

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externe Referenz:
http://link.aps.org/doi/10.1103/PhysRevC.86.054321 (Verlagsversion)
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 Urheber:
Reed, M.W.1, 2, Autor
Walker, P.M.1, 3, Autor
Cullen, I.J.1, Autor
Litvinov, Yury4, 5, Autor           
Shubina, Daria4, Autor           
Dracoulis, G.D.2, Autor
Blaum, Klaus4, Autor           
Bosch, F.5, Autor
Brandau, C.6, 7, Autor
Carroll, J.J.8, Autor
Cullen, D.M.9, Autor
Deo, A.Y.1, Autor
Detwiler, B.10, Autor
Dimopoulou, C.5, Autor
Dong, G.X.11, Autor
Farinon, F.5, Autor
Geissel, H.5, 12, Autor
Haettner, E.12, Autor
Heil, M.5, Autor
Kempley, R.S.1, Autor
Knöbel, R.5, AutorKozhuharov, C.5, AutorKurcewicz, J.5, AutorKuzminchuk, N.5, AutorLitvinov, S.5, AutorLiu, Z.13, AutorMao, R.14, AutorNociforo, C.5, AutorNolden, F.5, AutorPlaß, W.R.12, AutorPodolyak, Zs.1, AutorProchazka, A.5, AutorScheidenberger, C.5, 12, AutorSteck, M.5, AutorStöhlker, Th.5, 15, AutorSun, B.16, AutorSwan, T.P.D.1, AutorTrees, G.10, AutorWeick, H.5, AutorWinckler, N.4, 5, AutorWinkler, M.5, AutorWoods, P.J.13, AutorXu, F.R.11, AutorYamaguchi., T.17, Autor mehr..
Affiliations:
1Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom, ou_persistent22              
2Department of Nuclear Physics, R.S.P.E., Australian National University, Canberra ACT 0200, Australia, ou_persistent22              
3CERN, CH-1211 Geneva 23, Switzerland, ou_persistent22              
4Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
5GSI Helmholtzzentrum für Schwerionenforschung , Planckstraße 1, 64291 Darmstadt, Germany, ou_persistent22              
6ExtreMe Matter Institute EMMI and Research Division, GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany, ou_persistent22              
7Institut für Atom- und Molekülphysik, Justus-Liebig-Universität, 35392 Giessen, Germany, ou_persistent22              
8US Army Research Laboratory, 800 Powder Mill Road, Adelphi Maryland, USA, ou_persistent22              
9Schuster Laboratory, University of Manchester, Manchester M13 9PL, United Kingdom, ou_persistent22              
10Youngstown State University, One University Plaza, Youngstown, Ohio 44555, USA, ou_persistent22              
11Department of Technical Physics, Peking University, Beijing 100871, China, ou_persistent22              
12II Physikalisches Institut, Justus-Liebig-Universität Gießen, 35392 Gießen, Germany, ou_persistent22              
13School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom, ou_persistent22              
14Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China, ou_persistent22              
15Physikalisches Institut, Universität Heidelberg, Philosophenweg 12, 69120 Heidelberg, Germany, ou_persistent22              
16School of Physics and Nuclear Energy Engineering, Beihaug University, 100191 Beijing, China, ou_persistent22              
17Graduate School of Science and Engineering, Saitama University, Saitama 338-8570, Japan, ou_persistent22              

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 Zusammenfassung: A study of neutron-rich isotopes in the A=185 region of the nuclear chart has uncovered long-lived (>1 s) isomers in several isotopes of hafnium, tantalum, tungsten, rhenium, and osmium. The region was accessed via the use of projectile fragmentation with the UNILAC-SIS accelerators at GSI. Fragmentation products of 197Au were passed through the fragment separator (FRS) and injected into the experimental storage ring (ESR), where single-ion identifications could be made. Evidence is presented for isomers in 183,184,186Hf, 186,187Ta, 186W, 190,192,194Re, and 195Os with excitation energies in the range of 0.1–3.0 MeV. The lightest of these nuclides have well deformed prolate shapes, while the heaviest are transitional and susceptible to shape changes. Their properties are interpreted with the help of multi-quasiparticle and potential-energy-surface calculations.

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Sprache(n): eng - English
 Datum: 2012-11-29
 Publikationsstatus: Erschienen
 Seiten: 14
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1103/PhysRevC.86.054321
 Art des Abschluß: -

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Titel: Physical Review C
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: New York, NY : Published for the American Physical Society by the American Institute of Physics
Seiten: - Band / Heft: 86 (5) Artikelnummer: 054321 Start- / Endseite: 1 - 14 Identifikator: ISSN: 0556-2813
CoNE: https://pure.mpg.de/cone/journals/resource/954925225009