Regular ArticleNuclear Data Sheets for A = 228☆
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The correlation of quadrupole transition rates of deformed nuclei by non-parametric approach
2022, Nuclear Physics ACitation Excerpt :The electromagnetic transition rates are the observables that are sensitive to the wavefunctions and nuclear structure. In this study, we tried to consider the correlation of these quantities independent of a special model and therefore, focused on all available experimental data [30–80]. These transition rates are pure E2-type and we don't consider some transitions which have mixing ratios with dipole magnetic (M1) and hexadecapole electric (E4) transitions.
Sulfate precipitation in produced water from Marcellus Shale for the control of naturally occurring radioactive material
2020, Water ResearchCitation Excerpt :Black shale, the most dominant component of Marcellus Shale formation, is rich with uranium and thorium, which makes it a significant source of naturally occurring radioactive material (NORM) that is usually found in produced water (Rowan et al., 2011). The major components of NORM in produced water are Ra-226 (half-life of 1600 years) and Ra-228 (half-life of 5.75 years), which are daughter isotopes of U-238 and Th-232, respectively (Akovali, 1996; Artna-Cohen, 1997). Multiple gas well analyses showed that the total radium concentration (i.e., Ra-226 and Ra-228) in Marcellus Shale produced water in Pennsylvania can range from 33 to 18,045 pCi/L, while it can be as high as 16,942 pCi/L in Marcellus Shale produced water in New York (Rowan et al., 2011).
Systematics of the α-decay fine structure in even-even nuclei
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Research sponsored by the Oak Ridge National Laboratory, managed by Lockheed Martin Energy Research Corporation for the U.S. Department of Energy, under contract DE-AC05-96OR22464, subcontract 80X-ST240V