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用１４ＭｅＶ中子辐照天然锇靶，发生￣（１９２）Ｏｓ（ｎ，α）￣（１８９）Ｗ反应。采用化学分离法分离钨，在ＨＰＧｅ探测器测得的钨样品的γ射线单谱中观察到了可归因于￣（１８９）Ｗ衰变的２２条γ射线。发现其中的１８条γ射线是未知的新γ射线。
The natural Osmium target was irradiated with 14 MeV neutrons and the ~ (192) Os (n, α) ~ (189) W reaction occurred. Tungsten was separated by chemical separation and 22 γ-rays attributable to ~ (189) W decay were observed in the γ-ray spectra of the tungsten samples measured by the HPGe detector. 18 of these gamma rays were found to be unknown new gamma rays.