Harter, A., Knafla, L., Friessner, G., Hafner, G., Jolie, J., Blazhev, A., Dewald, A., Dunkel, F., Esmaylzadeh, A., Fransen, C., Karayonchev, V., Lawless, K., Ley, M., Regis, J. -m. and Zell, K. O. (2022). Lifetime measurements in the tungsten isotopes W-176,W-178,W-180. Phys. Rev. C, 106 (2). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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Abstract

Lifetimes of yrast states in the rare-earth midshell isotopes W-176,W-178,W-180 have been measured with fast-timing methods using the Cologne iron-free Orange spectrometer and the Cologne HORUS spectrometer and with the recoil distance Doppler shift method using the Cologne coincidence plunger setup. Different fusion evaporation reactions have been used to populated excited states in the investigated nuclei. Lifetimes of the 2(1)(+) , 4(1)(+) , 6(1)(+) , and 8(1)(+) yrast states were measured in all three tungsten isotopes and in addition the lifetime of the 10(1)(+) state was measured in W-176. Quadrupole deformation parameters, reduced transition probabilities, and B-4/2 ratios are extracted and discussed in the context of interacting boson model 1 calculations. The results with newly determined signatures largely confirm the investigated tungsten isotopes to be deformed prolate rotors.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Harter, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Knafla, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Friessner, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hafner, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jolie, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blazhev, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dewald, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dunkel, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Esmaylzadeh, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fransen, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Karayonchev, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lawless, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ley, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Regis, J. -m.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zell, K. O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-678404
DOI: 10.1103/PhysRevC.106.024326
Journal or Publication Title: Phys. Rev. C
Volume: 106
Number: 2
Date: 2022
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 2469-9993
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
NUCLEAR-DATA SHEETS; INTERACTING BOSON MODEL; HIGH-SPIN STATES; SHAPES; DEFORMATIONS; EVOLUTIONMultiple languages
Physics, NuclearMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/67840

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