Universität zu Köln

Morse, C., Iwasaki, H., Lemasson, A., Dewald, A., Braunroth, T., Bader, V. M., Baugher, T., Bazin, D., Berryman, J. S., Campbell, C. M., Gade, A., Langer, C., Lee, I. Y., Loelius, C., Lunderberg, E., Recchia, F., Smalley, D., Stroberg, S. R., Wadsworth, R., Walz, C., Weisshaar, D., Westerberg, A., Whitmore, K. and Wimmer, K. (2018). Lifetime measurement of the 2(1)(+) state in Rb-74 and isospin properties of quadrupole transition strengths at N = Z. Phys. Lett. B, 787. S. 198 - 204. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-2445

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Abstract

Self-conjugate nuclei in the A approximate to 70-80 region have attracted a great deal of attention due to phenomena such as shape coexistence and increasing collectivity along the N = Z line. We investigate the structure of nuclei in this region through lifetime measurements using the GRETINA array. The first implementation of the Differential Recoil Distance Doppler Shift technique with fast radioactive beams is demonstrated and verified through a measurement of the well-known B(E2;2(1)(+) -> 0(1)(+)) transition strength in Kr-74. The method is then applied to determine the B(E2; 2(1)(+) -> 0(1)(+)) transition strength in Rb-74, the heaviest odd-odd N = Z nucleus for which this quantity has been determined. This result and extended systematics along N = Z suggest the dominance of the isoscalar part of the quadrupole transition strengths in self-conjugate nuclei, as well as the possible presence of shape coexistence in Rb-74. (C) 2018 The Author(s). Published by Elsevier B.V.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Morse, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Iwasaki, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lemasson, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dewald, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Braunroth, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bader, V. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Baugher, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bazin, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Berryman, J. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Campbell, C. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gade, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Langer, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lee, I. Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Loelius, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lunderberg, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Recchia, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Smalley, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stroberg, S. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wadsworth, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Walz, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Weisshaar, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Westerberg, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Whitmore, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wimmer, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-162292
DOI:	10.1016/j.physletb.2018.10.064
Journal or Publication Title:	Phys. Lett. B
Volume:	787
Page Range:	S. 198 - 204
Date:	2018
Publisher:	ELSEVIER SCIENCE BV
Place of Publication:	AMSTERDAM
ISSN:	1873-2445
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language NUCLEAR-DATA SHEETS; SHAPE-COEXISTENCE; PLUNGER; TOOL; T=0 Multiple languages Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/16229