Universität zu Köln

Lica, R., Rotaru, F., Borge, M. J. G., Grevy, S., Negoita, F., Poves, A., Sorlin, O., Andreyev, A. N., Borcea, R., Costache, C., De Witte, H., Fraile, L. M., Greenlees, P. T., Huyse, M., Ionescu, A., Kisyov, S., Konki, J., Lazarus, I, Madurga, M., Marginean, N., Marginean, R., Mihai, C., Mihai, R. E., Negret, A., Nowacki, F., Page, R. D., Pakarinen, J., Pucknell, V, Rahkila, P., Rapisarda, E., Serban, A., Sotty, C. O., Stan, L., Stanoiu, M., Tengblad, O., Turturica, A., Van Duppen, P., Warr, N., Dessagne, Ph, Stora, T., Borcea, C., Calinescu, S., Daugas, J. M., Filipescu, D., Kuti, I, Franchoo, S., Gheorghe, I, Morfouace, P., Morel, P., Mrazek, J., Pietreanu, D., Sohler, D., Stefan, I, Suvaila, R., Toma, S. and Ur, C. A. (2019). Normal and intruder configurations in Si- 34 populated in the beta(-) decay of Mg-34 and Al-34. Phys. Rev. C, 100 (3). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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Abstract

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).

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Lica, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rotaru, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Borge, M. J. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Grevy, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Negoita, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Poves, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sorlin, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Andreyev, A. N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Borcea, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Costache, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED De Witte, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fraile, L. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Greenlees, P. T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Huyse, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ionescu, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kisyov, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Konki, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lazarus, I UNSPECIFIED UNSPECIFIED UNSPECIFIED Madurga, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Marginean, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Marginean, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mihai, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mihai, R. E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Negret, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nowacki, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Page, R. D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pakarinen, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pucknell, V UNSPECIFIED UNSPECIFIED UNSPECIFIED Rahkila, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rapisarda, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Serban, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sotty, C. O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stan, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stanoiu, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Tengblad, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Turturica, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Van Duppen, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Warr, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dessagne, Ph UNSPECIFIED UNSPECIFIED UNSPECIFIED Stora, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Borcea, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Calinescu, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Daugas, J. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Filipescu, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kuti, I UNSPECIFIED UNSPECIFIED UNSPECIFIED Franchoo, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gheorghe, I UNSPECIFIED UNSPECIFIED UNSPECIFIED Morfouace, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Morel, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mrazek, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pietreanu, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sohler, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stefan, I UNSPECIFIED UNSPECIFIED UNSPECIFIED Suvaila, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Toma, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ur, C. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-141539
DOI:	10.1103/PhysRevC.100.034306
Journal or Publication Title:	Phys. Rev. C
Volume:	100
Number:	3
Date:	2019
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	2469-9993
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SHELL-MODEL; ION-SOURCE; STATES; N=20; NUCLEI Multiple languages Physics, Nuclear Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/14153