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Target for the heaviest element production at RIKEN

机译：RIKEN生产最重元素的目标

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摘要

A new gas-cooled rotating target system was developed for the heaviest element production. A target wheel with a diameter of 30.0 cm could be rotated up to 3000 rpm. A helium gas introduced into the target chamber mounted upstream of a gas-filled recoil separator, which enables an effective gas cooling of the target. The development has led to the successful production of heavy nuclides via cold fusion reactions of ~(208)Pb(~(64)Ni,n)~(271)Ds, ~(209)Bi(~(64)Ni,n)~(272)Rg,~(208)Pb(~(70)Zn,n)~(277)112, and ~(209)Bi(~(70)Zn,n)~(278)113.
机译：开发了一种新的气冷旋转靶系统，以生产最重的元素。直径为30.0厘米的目标轮可以旋转到3000 rpm。将氦气引入安装在充气反冲分离器上游的靶腔中，从而可以对靶进行有效的气体冷却。这一发展导致〜（208）Pb（〜（64）Ni，n）〜（271）Ds，〜（209）Bi（〜（64）Ni，n）的冷聚变反应成功生产了重核素。 〜（272）Rg，〜（208）Pb（〜（70）Zn，n）〜（277）112和〜（209）Bi（〜（70）Zn，n）〜（278）113。

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    D. Kaji; K. Morimoto; A. Yoneda; H. Hasebe; A. Yoshida; H. Haba; S. Goto; H. Kudo; K. Morita;

  • 作者单位

    Nishina Center for Accelerator Based Science, RIKEN, Wako, Saitama 351-0198, Japan;

    Nishina Center for Accelerator Based Science, RIKEN, Wako, Saitama 351-0198, Japan;

    Nishina Center for Accelerator Based Science, RIKEN, Wako, Saitama 351-0198, Japan;

    Nishina Center for Accelerator Based Science, RIKEN, Wako, Saitama 351-0198, Japan;

    Nishina Center for Accelerator Based Science, RIKEN, Wako, Saitama 351-0198, Japan;

    Nishina Center for Accelerator Based Science, RIKEN, Wako, Saitama 351-0198, Japan;

    Center for Instrumental Analysis, Niigata University, Ikarashi, Niigata 950-2181, Japan;

    Department of Chemistry, Niigata University, Ikarashi, Niigata 950-2181, Japan;

    Nishina Center for Accelerator Based Science, RIKEN, Wako, Saitama 351-0198, Japan;

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    targets for heavy element production;

    机译：重元素生产的目标;

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