Candidates for the 5α condensed state in 20Ne

We conducted the coincidence measurement of α particles inelastically scattered from 20Ne at 0° and decay charged particles in order to search for the alpha-particle condensed state. We compared the measured excitation-energy spectrum and decay branching ratio with the statistical-decay-model calcul...

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Vydané v:Physics letters. B Ročník 819; s. 136411
Hlavní autori: Adachi, S., Fujikawa, Y., Kawabata, T., Akimune, H., Doi, T., Furuno, T., Harada, T., Inaba, K., Ishida, S., Itoh, M., Iwamoto, C., Kobayashi, N., Maeda, Y., Matsuda, Y., Murata, M., Okamoto, S., Sakaue, A., Sekiya, R., Tamii, A., Tsumura, M.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Elsevier B.V 01.08.2021
Elsevier
Predmet:
20Ne
Alpha decay
Alpha-particle condensed state
Cluster structure
Inelastic alpha scattering
Alpha decay
20Ne
Cluster structure
Inelastic alpha scattering
Alpha-particle condensed state
ISSN:0370-2693, 1873-2445
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Popis
Shrnutí:We conducted the coincidence measurement of α particles inelastically scattered from 20Ne at 0° and decay charged particles in order to search for the alpha-particle condensed state. We compared the measured excitation-energy spectrum and decay branching ratio with the statistical-decay-model calculations, and found that the newly observed states at Ex=23.6, 21.8, and 21.2 MeV in 20Ne are strongly coupled to a candidate for the 4α condensed state in 16O. This result presents the first strong evidence that these states are the candidates for the 5α condensed state.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2021.136411