A. V. Andreev, R. V. Volkov, V. M. Gordienko, A. M. Dykhne, P. M. Mikheev, A. B. Savel'ev, E. V. Tkalya, O. V. Chutko, A. A. Shashkov, “Detection of the gamma decay of an isomeric low-lying <sup>181</sup>Ta level excited in a high-temperature near-surface laser plasma”, Kvantovaya Elektronika, 1999, Volume 26, Number 3,Pages <nobr>191

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Letters to the editor

Detection of the gamma decay of an isomeric low-lying ¹⁸¹Ta level excited in a high-temperature near-surface laser plasma

A. V. Andreev^a, R. V. Volkov^a, V. M. Gordienko^a, A. M. Dykhne^b, P. M. Mikheev^c, A. B. Savel'ev^a, E. V. Tkalya^d, O. V. Chutko^c, A. A. Shashkov^c

^a International Laser Center of Moscow State University
^b Troitsk Institute for Innovation and Fusion Research
^c Lomonosov Moscow State University, Faculty of Physics
^d Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics

Abstract: The excitation of nuclei in a high-temperature femtosecond laser plasma was observed for the first time; the gamma photons resulting from the decay of the isomeric 9/2^– (6.238 keV) ¹⁸¹Ta level were detected.

PACS: 23.20.Lv, 42.62.Eh, 52.50.Jm, 52.25.Nr

Received: 28.01.1999