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Normal and intruder configurations in Si- 34 populated in the beta(-) decay of Mg-34 and Al-34
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SYSNO ASEP 0508843 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Normal and intruder configurations in Si- 34 populated in the beta(-) decay of Mg-34 and Al-34 Author(s) Lica, R. (RO)
Rotaru, F. (RO)
Borge, M. J. G. (ES)
Grévy, S. (FR)
Negoita, F. (RO)
Poves, A. (ES)
Sorlin, O. (FR)
Andreyev, A. N. (GB)
Borcea, R. (RO)
Costache, C. (RO)
De Witte, H. (BE)
Fraile, L. M. (ES)
Greenlees, P. T. (FI)
Huyse, M. (BE)
Ionescu, A. (RO)
Kisyov, S. (BG)
Konki, J. (FI)
Lazarus, I. (GB)
Madurga, M. (CH)
Marginean, N. (RO)
Marginean, R. (RO)
Mihai, C. (RO)
Mihai, R. E. (RO)
Negret, A. (RO)
Nowacki, F. (FR)
Page, R. D. (BG)
Pakarinen, J. (FI)
Pucknell, V. (GB)
Rahkila, P. (FI)
Rapisarda, E. (CH)
Serban, A. (RO)
Sotty, C. O. (RO)
Stan, L. (RO)
Stanoiu, M. (RO)
Tengblad, O. (ES)
Turturica, A. (RO)
Van Duppen, P. (BE)
Warr, N. (DE)
Dessagne, P. (FR)
Stora, T. (CH)
Borcea, C. (RO)
Calinescu, S. (RO)
Daugas, J. M. (FR)
Filipescu, D. (RO)
Kuti, I. (HU)
Franchoo, S. (FR)
Gheorghe, I. (RO)
Morfouace, P. (FR)
Morel, P. (FR)
Mrázek, Jaromír (UJF-V) RID, ORCID, SAI
Pietreanu, D. (RO)
Sohler, D. (HU)
Stefan, I. (FR)
Suvaila, R. (RO)
Toma, S. (RO)
Ur, C. A. (RO)Number of authors 56 Article number 034306 Source Title Physical Review C. - : American Physical Society - ISSN 2469-9985
Roč. 100, č. 3 (2019)Number of pages 11 s. Publication form Print - P Language eng - English Country US - United States Keywords Si-34 ; spectroscopic properties ; shell model Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders OECD category Nuclear physics R&D Projects EF16_013/0001679 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LM2015076 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Open access Institutional support UJF-V - RVO:61389005 UT WOS 000485196300001 EID SCOPUS 85072632523 DOI 10.1103/PhysRevC.100.034306 Annotation The structure of Si-34 was studied through gamma spectroscopy separately in the beta(-) decays of Mg-34 and Al-34 at the ISOLDE facility of CERN. Different configurations in Si-34 were populated independently from the two recently identified beta-decaying states in Al-34 having spin-parity assignments J(pi) = 4(-) dominated by the normal configuration pi(d(5/2))(-1) circle times nu(f(7/2)) and J(pi) = 1(+) by the intruder configuration pi(d(5/2))(-1) circle times nu(d(3/2))(-1) (f(7/2))(2). The paper reports on spectroscopic properties of Si-34 such as an extended level scheme, spin and parity assignments based on log(ft) values and gamma-ray branching ratios, absolute beta feeding intensities, and neutron emission probabilities. A total of 11 newly identified levels and 26 transitions were added to the previously known level scheme of Si-34. Large scale shell-model calculations using the SDPF-U-MIX interaction, able to treat higher order intruder configurations, are compared with the new results and conclusions are drawn concerning the predictive power of SDPF-U-MIX, the N = 20 shell gap, the level of mixing between normal and intruder configurations for the 0(1)(+), 0(2)(+), and 2(1)(+) states, and the absence of triaxial deformation in Si-3(4). Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2020 Electronic address https://doi.org/10.1103/PhysRevC.100.034306
Number of the records: 1