Actinide targets for the synthesis of super-heavy elements
Abstract
Since 2000, six new super-heavy elements with atomic numbers 113 through 118 have been synthesized in hot fusion reactions of 48Ca beams on actinide targets. These target materials, including 242Pu, 244Pu, 243Am, 245Cm, 248Cm, 249Cf, and 249Bk, are available in very limited quantities and require specialized production and processing facilities resident in only a few research centers worldwide. This report describes the production and chemical processing of heavy actinide materials for super-heavy element research, current availabilities of these materials, and related target fabrication techniques. The impact of actinide materials in super-heavy element discovery is reviewed, and strategies for enhancing the production of rare actinides including 249Bk, 251Cf, and 254Es are described.
- Authors:
-
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). High Flux Isotope Reactor (HFIR)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1240523
- Alternate Identifier(s):
- OSTI ID: 1251850
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nuclear Physics. A
- Additional Journal Information:
- Journal Volume: 944; Journal ID: ISSN 0375-9474
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Roberto, J., Alexander, Charles W., Boll, Rose Ann, Ezold, Julie G., Felker, Leslie Kevin, Rykaczewski, Krzysztof Piotr, and Hogle, Susan L. Actinide targets for the synthesis of super-heavy elements. United States: N. p., 2015.
Web. doi:10.1016/j.nuclphysa.2015.06.009.
Roberto, J., Alexander, Charles W., Boll, Rose Ann, Ezold, Julie G., Felker, Leslie Kevin, Rykaczewski, Krzysztof Piotr, & Hogle, Susan L. Actinide targets for the synthesis of super-heavy elements. United States. https://doi.org/10.1016/j.nuclphysa.2015.06.009
Roberto, J., Alexander, Charles W., Boll, Rose Ann, Ezold, Julie G., Felker, Leslie Kevin, Rykaczewski, Krzysztof Piotr, and Hogle, Susan L. Thu .
"Actinide targets for the synthesis of super-heavy elements". United States. https://doi.org/10.1016/j.nuclphysa.2015.06.009. https://www.osti.gov/servlets/purl/1240523.
@article{osti_1240523,
title = {Actinide targets for the synthesis of super-heavy elements},
author = {Roberto, J. and Alexander, Charles W. and Boll, Rose Ann and Ezold, Julie G. and Felker, Leslie Kevin and Rykaczewski, Krzysztof Piotr and Hogle, Susan L.},
abstractNote = {Since 2000, six new super-heavy elements with atomic numbers 113 through 118 have been synthesized in hot fusion reactions of 48Ca beams on actinide targets. These target materials, including 242Pu, 244Pu, 243Am, 245Cm, 248Cm, 249Cf, and 249Bk, are available in very limited quantities and require specialized production and processing facilities resident in only a few research centers worldwide. This report describes the production and chemical processing of heavy actinide materials for super-heavy element research, current availabilities of these materials, and related target fabrication techniques. The impact of actinide materials in super-heavy element discovery is reviewed, and strategies for enhancing the production of rare actinides including 249Bk, 251Cf, and 254Es are described.},
doi = {10.1016/j.nuclphysa.2015.06.009},
journal = {Nuclear Physics. A},
number = ,
volume = 944,
place = {United States},
year = {Thu Jun 18 00:00:00 EDT 2015},
month = {Thu Jun 18 00:00:00 EDT 2015}
}
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