Universität zu Köln

Gladnishki, K. A., Rainovski, G., Petkov, P., Jolie, J., Pietralla, N., Blazhev, A., Damyanova, A., Danchev, M., Dewald, A., Fransen, C., Hackstein, M., Karagyozov, D., Moeller, O., Pissulla, T., Reese, M., Rother, W. and Topchiyska, R. (2010). Search for one-phonon mixed-symmetry states in the radioactive nucleus Nd-140. Phys. Rev. C, 82 (3). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1089-490X

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Abstract

Low-spin excited states of Nd-140 have been studied via the Ce-140(He-3,3n)Nd-140 reaction. The data show that one of the candidates for the one-phonon mixed-symmetry state (MSS) of Nd-140, namely, the 2(3)(+) state at 2140 keV with an effective lifetime of 220(90) fs, exhibits a fast M1 decay to the 2(1)(+) state. Thus, this state can be considered, at least, as a fragment of the one-phonon MSS of Nd-140. This is the first example where mixed symmetry character is tentatively assigned to a state of an unstable nucleus from the mass A approximate to 140 region based on the data on absolute M1 transition rates. However, the data are not conclusive on whether this decay exhausts the total M1 strength or whether the one-phonon MSS of Nd-140 is fragmented.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Gladnishki, K. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rainovski, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Petkov, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jolie, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pietralla, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blazhev, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Damyanova, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Danchev, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dewald, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fransen, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hackstein, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Karagyozov, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Moeller, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pissulla, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Reese, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rother, W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Topchiyska, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-496528
DOI:	10.1103/PhysRevC.82.037302
Journal or Publication Title:	Phys. Rev. C
Volume:	82
Number:	3
Date:	2010
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1089-490X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language COLLECTIVE MODES; SHELL; RATES Multiple languages Physics, Nuclear Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/49652