Discovery of Highly Excited Long-Lived Isomers in Neutron-Rich Hafnium and Tantalum Isotopes through Direct Mass Measurements
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Reed, MW, Cullen, IJ, Walker, PM, Litvinov, YA, Blaum, K, Bosch, F, Brandau, C, Carroll, JJ, Cullen, DM, Deo, AY, Detwiller, B, Dimopoulou, C, Dracoulis, GD, Farinon, F, Geissel, H, Haettner, E, Heil, M, Kempley, RS, Knoebel, R, Kozhuharov, C, Kurcewicz, J, Kuzminchuk, N, Litvinov, S, Liu, Z, Mao, R, Nociforo, C, Nolden, F, Plass, WR, Prochazka, A, Scheidenberger, C, Steck, M, Stoehlker, T, Sun, B, Swan, TPD, Trees, G, Weick, H, Winckler, N, Winkler, M, Woods, PJ and Yamaguchi, T (2010) Discovery of Highly Excited Long-Lived Isomers in Neutron-Rich Hafnium and Tantalum Isotopes through Direct Mass Measurements PHYSICAL REVIEW LETTERS, 105 (17). ? - ?. ISSN 0031-9007
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.105.172501
Abstract
A study of cooled 197Au projectile-fragmentation products has been performed with a storage ring. This has enabled metastable nuclear excitations with energies up to 3 MeV, and half-lives extending to minutes or longer, to be identified in the neutron-rich nuclides 183,184,186Hf and 186,187Ta. The results support the prediction of a strongly favored isomer region near neutron number 116.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Science & Technology, Physical Sciences, Physics, Multidisciplinary, Physics, QUASI-PARTICLE STATES, ATOMIC-NUCLEI, STABILITY, STORAGE, TRAPS, DECAY, LINE, FRS, GSI |
| Divisions: | Faculty of Engineering and Physical Sciences > Physics |
| Related URLs: | |
| ID Code: | 7502 |
| Deposited By: | Symplectic Elements |
| Deposited On: | 16 Nov 2011 10:56 |
| Last Modified: | 11 May 2013 14:44 |
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