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Production of $$^{256}$$Lr in the $$^{249,250,251}$$Cf + $$^{11}$$B, $$^{243}$$Am + $$^{18}$$O, and $$^{248}$$Cm + $$^{14}$$N reactions

Sato, Nozomi; Sato, Tetsuya   ; Asai, Masato  ; Toyoshima, Atsushi; Tsukada, Kazuaki  ; Li, Z.*; Nishio, Katsuhisa   ; Nagame, Yuichiro ; Sch$"a$del, M.; Haba, Hiromitsu*; Ichikawa, Shinichi; Kikunaga, Hidetoshi*

Production cross-sections of the isotope $$^{256}$$Lr in the $$^{249,250,251}$$Cf + $$^{11}$$B, $$^{243}$$Am + $$^{18}$$O, and $$^{248}$$Cm + $$^{14}$$N reactions were measured using a He/KCl gas-jet transport system and a rotating wheel $$alpha$$-particle detection apparatus. The $$alpha$$-particle energy of $$^{256}$$Lr was distributed from 8.3 to 8.7 MeV and its half-life, $$T_{1/2}$$, was measured to be $$28 pm 1$$ s. The maximum cross sections in the $$^{249}$$Cf($$^{11}$$B, 4$$n$$)$$^{256}$$Lr and $$^{243}$$Am($$^{18}$$O, 5$$n$$)$$^{256}$$Lr reactions were determined to be $$122 pm 6$$ nb at the beam energy of 63 MeV and $$26 pm 3$$ nb at 96 MeV, respectively. In the $$^{248}$$Cm($$^{14}$$N, 6$$n$$)$$^{256}$$Lr reaction, the cross section was measured to be $$27 pm 1$$ nb at 91 MeV.

Language

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English

Journal

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Radiochimica Acta

Volume

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102

Number

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3

Pages

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p.211 - 219

Publication Year/Month

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2014/03

Meeting title

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Held date

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Location (city)

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Location (country)

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Patent information

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PDF

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Paper URL

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https://doi.org/10.1515/ract-2014-2142

DOI for research data

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Keywords

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no keyword

Research Facility

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タンデム加速器  

Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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理化学研究所

Accesses

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- Accesses

InCites™

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Percentile:57.19

Category:Chemistry, Inorganic & Nuclear

Altmetrics

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