Abstract.
The superheavy hydrogen isotopes 4H and 5H have been investigated in the stopped pion absorption on 9Be. Three states of 4H were proposed in the reaction channel 9Be( π{ - }, dt)X. Four states of 5H were proposed in the reaction channels 9Be(π{ - }, pt)X and 9Be(π{ - }, dt)X. The excited states of 5H can decay into free nucleons.
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Gurov, Y.B., Behr, M.N., Aleshkin, D.V. et al. Spectroscopy of superheavy hydrogen isotopes 4H and 5H. Eur. Phys. J. A 24, 231–236 (2005). https://doi.org/10.1140/epja/i2004-10139-0
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DOI: https://doi.org/10.1140/epja/i2004-10139-0