Universität zu Köln

Seidlitz, M., Reiter, P., Dewald, A., Moeller, O., Bruyneel, B., Christen, S., Finke, F., Fransen, C., Gorska, M., Grawe, H., Holler, A., Ilie, G., Kotthaus, T., Kudejova, P., Lenzi, S. M., Mandal, S., Melon, B., Muecher, D., Regis, J. -M., Saha, B., von Brentano, P., Wiens, A. and Zell, K. O. (2011). Precision lifetime measurements of the first 2(+) and 4(+) states in Cr-56 at the N=32 subshell closure. Phys. Rev. C, 84 (3). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1089-490X

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Abstract

Excited states in Cr-56 have been populated after Ca-48(B-11, p2n) reactions at a beam energy of 32 MeV. The Cologne plunger device surrounded by a gamma-detector array of one EUROBALL cluster detector and five Ge detectors was employed to determine lifetimes with the recoil distance Doppler shift method. gamma gamma-coincidence data were analyzed using the differential decay curve method and precise lifetimes for the first 2(+) and 4(+) state of tau = 5.49(14) ps and tau = 3.15(11) ps, respectively, were extracted. The corresponding B(E2; 2(+) -> 0(+)) = 11.33(31) W.u. quantifies with a high accuracy the puzzling discrepancy between experimental B(E2) values in N = 32 isotones and theoretical results from large-scale shell model calculations employing modern effective nucleon-nucleon interactions.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Seidlitz, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Reiter, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dewald, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Moeller, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bruyneel, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Christen, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Finke, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fransen, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gorska, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Grawe, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Holler, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ilie, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kotthaus, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kudejova, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lenzi, S. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mandal, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Melon, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Muecher, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Regis, J. -M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Saha, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED von Brentano, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wiens, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Zell, K. O. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-488924
DOI:	10.1103/PhysRevC.84.034318
Journal or Publication Title:	Phys. Rev. C
Volume:	84
Number:	3
Date:	2011
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 NUCLEAR-DATA SHEETS; DECAY CURVE METHOD; SHELL Multiple languages Physics, Nuclear Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/48892