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Discovery of Highly Excited Long-Lived Isomers in Neutron-Rich Hafnium and Tantalum Isotopes through Direct Mass Measurements

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Date

2010

Authors

Reed, M.W.
Cullen, I J
Walker, Philip M
Litvinov, Yu.A.
Blaum, K.
Bosch, F.
Brandau, C.
Carroll, J.
Cullen, D M
Deo, A.Y.

Journal Title

Journal ISSN

Volume Title

Publisher

American Physical Society

Abstract

A study of cooled Au197 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 Hf183,184,186 and Ta186,187. The results support the prediction of a strongly favored isomer region near neutron number 116.

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Citation

URI

http://hdl.handle.net/1885/57356

Collections

Open Access Research

Source

Physical Review Letters

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1103/PhysRevLett.105.172501

Restricted until

2037-12-31

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01_Reed_Discovery_of_Highly_Excited_2010.pdf (215.94 KB)

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