Universität zu Köln

Esmaylzadeh, A., Blazhev, A., Nomura, K., Jolie, J., Beckers, M., Fransen, C., Gerst, R. -B., Harter, A., Karayonchev, V., Knafla, L., Ley, M. and von Spee, F. (2022). Investigation of gamma softness: Lifetime measurements in 104,106Ru. Phys. Rev. C, 106 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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Abstract

Lifetimes of the 2+1 , 4+1 , 6+1 , 2+gamma, and 3+gamma states in 104,106Ru were measured by using the recoil-distance Doppler -shift technique and the Cologne Plunger device. Low-lying excited states in both nuclei were populated in a 104Ru(18O, 18O) 104Ru* inelastic scattering and in a 104Ru(18O, 16O) 106Ru two-neutron transfer reaction using the Cologne FN Tandem accelerator. The experimental energy levels and deduced electromagnetic transition probabilities are compared in the context of gamma softness and the mapped interacting boson model with input from the microscopic self-consistent mean-field calculation using a Gogny interaction. The newly obtained results for the gamma band give a more detailed insight about the triaxial behavior of 104,106Ru. The results will be discussed in the context of gamma soft and rigid triaxial behavior which is present in the neutron-rich Ru isotopes.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Esmaylzadeh, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blazhev, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nomura, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jolie, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Beckers, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fransen, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gerst, R. -B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Harter, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Karayonchev, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Knafla, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ley, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED von Spee, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-671929
DOI:	10.1103/PhysRevC.106.064323
Journal or Publication Title:	Phys. Rev. C
Volume:	106
Number:	6
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:	Keywords Language NUCLEAR-DATA SHEETS; INTERACTING BOSON MODEL; COULOMB-EXCITATION; QUADRUPOLE-MOMENTS; EXCITED-STATES; TRANSITIONS; FREEDOM; SHAPES Multiple languages Physics, Nuclear Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/67192