Universität zu Köln

Kocheva, D., Rainovski, G., Jolie, J., Pietralla, N., Stahl, C., Petkov, P., Blazhev, A., Hennig, A., Astier, A., Braunroth, Th, Cortes, M. L., Dewald, A., Djongolov, M., Fransen, C., Gladnishki, K., Karayonchev, V., Litzinger, J., Mueller-Gatermann, C., Scheck, M., Scholz, Ph., Stegmann, R., Thoele, P., Werner, V., Witt, W., Woelk, D. and Van Isacker, P. (2016). Low-lying isovector 2(+) valence-shell excitations of Po-212. Phys. Rev. C, 93 (1). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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Abstract

We present the results from an experiment dedicated to search for quadrupole-collective isovector valence-shell excitations, states with so-called mixed proton-neutron symmetry (MSS), of Po-212. This nucleus was studied in an a-transfer reaction. The lifetimes of two short-lived excited states, candidates for the one-phonon MSS, were determined by utilizing the Doppler shift attenuation method. The experimental results are in qualitative agreement with a simple single-j shell model calculation, which, together with the observed lack of quadrupole collectivity, indicates that the isovector nature of low-lying states is a property of the leading single-particle valence shell configuration.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Kocheva, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rainovski, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jolie, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pietralla, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stahl, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Petkov, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blazhev, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hennig, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Astier, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Braunroth, Th UNSPECIFIED UNSPECIFIED UNSPECIFIED Cortes, M. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dewald, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Djongolov, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fransen, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gladnishki, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Karayonchev, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Litzinger, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mueller-Gatermann, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Scheck, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Scholz, Ph. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stegmann, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Thoele, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Werner, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Witt, W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Woelk, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Van Isacker, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-287154
DOI:	10.1103/PhysRevC.93.011303
Journal or Publication Title:	Phys. Rev. C
Volume:	93
Number:	1
Date:	2016
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 NUCLEAR-DATA SHEETS; COLLECTIVE MODES; MIXED-SYMMETRY; SPECTROSCOPY; STATES Multiple languages Physics, Nuclear Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/28715