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Configurations of t...
Configurations of the low-lying states in Eu-146
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- Zeng, Q. B. (författare)
- Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.;Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China.
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- Guo, S. (författare)
- Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.;Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China.
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- Liu, Z. (författare)
- Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.;Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China.
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- Qi, Chong, 1983- (författare)
- KTH,Kärnfysik
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- Zhou, X. H. (författare)
- Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.;Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China.
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Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China;Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China. Kärnfysik (creator_code:org_t)
- American Physical Society (APS), 2022
- 2022
- Engelska.
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Ingår i: Physical Review C. - : American Physical Society (APS). - 2469-9985 .- 2469-9993. ; 106:3
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The low-lying states of Eu-146 populated in the decay of the 9(+) isomer were studied. The gamma-ray intensities were reanalyzed employing germanium detectors, and the lifetimes of the 6(1)(-) and 6(2)(-) states were measured using the mirror symmetric centroid difference (MSCD) method with fast-timing LaBr3(Ce) scintillator detectors. The B(M1) values of the 6(1)(-) -> 5(1)(-) and 6(2)(-) -> 5(1)(-) transitions were deduced, and all observed states were interpreted as members of the pi d(5/2)(-1)nu f(7/2) and pi g(7/2)(-1)nu f(7/2) multiplets. In particular, the 5(1)(-) level is shown to be dominated by the pi d(5/2)(-1)nu f(7/2) configuration, solving the discrepancy in its configuration assignment proposed in previous works. These experimental results were compared with the shell model calculations using several different effective interactions. The systematics of low-lying structure in the N = 83 isotones Pr-142, Pm-144, and Eu-146 was established.
Ämnesord
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
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