Search for superheavy hydrogen isotopes <Superscript>6</Superscript>H and <Superscript>7</Superscript>H in stopped π-absorption reactions期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Search for superheavy hydrogen isotopes 6H and 7H in stopped π-absorption reactions

Authors:	Yu. B. Gurov B. A. Chernyshev S. V. Isakov V. S. Karpukhin S. V. Lapushkin I. V. Laukhin V. A. Pechkurov N. O. Poroshin V. G. Sandukovsky

Affiliation:	(1) Moscow Engineering Physics Institute (State University), 115409 Moscow, Russia;(2) Joint Institute for Nuclear Research, 141980 Dubna, Russia

Abstract:	Experimental search for superheavy hydrogen isotopes ⁶H and ⁷H was performed in the stopped pion absorption on ⁹Be and ¹¹B nuclei. The structures in the missing-mass spectra were observed in the reaction channels ⁹Be(π^-, pd )X and ¹¹B(π^-, p⁴He)X . Four states of ⁶H were proposed. Evidences for ⁷H formation were obtained in the reaction channels ⁹Be(π^-, pp)X and ¹¹B(π^-, p³He)X .

Keywords:	27.20.+n 6 ⩽ A ⩽ 19 25.80.Ls Pion inclusive scattering and absorption
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