Quasi-\ensuremath{\gamma} band and odd-even staggering effect in $^{102}\mathrm{Ru}$

Quasi-γ band and odd-even staggering effect in ${}^{102}{Ru}$

S. Lalkovski, G. Rainovski, K. Starosta, M. P. Carpenter, D. B. Fossan, S. Finnigan, S. Ilieva, P. Joshi, T. Koike, E. S. Paul, N. Pietralla, C. Vaman, and R. Wadsworth

Phys. Rev. C 71, 034318 – Published 28 March 2005

Abstract

Excited states of the nucleus ${}^{102}{Ru}$ have been studied using the ${}^{96}{Zr}$ ( ${}^{10}B$ , $p 3 n$ ) reaction at a beam energy of $42 MeV$ . The emitted γ rays were detected with the Gammasphere spectrometer. The known positive-parity structure built on the second $2^{+}$ state was extended up to the $10^{+}$ and $11^{+}$ states. This structure has been interpreted as a quasi-γ band. Its energy staggering as a function of spin has been analyzed in order to derive information on the type of triaxiality present in ${}^{102}{Ru}$ , a nucleus that serves as one of the cores for chiral structures in the mass $A \approx 100$ region.

Received 6 August 2004

DOI:https://doi.org/10.1103/PhysRevC.71.034318

Authors & Affiliations

S. Lalkovski¹, G. Rainovski^2,3,*, K. Starosta⁴, M. P. Carpenter⁵, D. B. Fossan², S. Finnigan³, S. Ilieva¹, P. Joshi⁶, T. Koike², E. S. Paul³, N. Pietralla², C. Vaman², and R. Wadsworth⁶

¹Faculty of Physics, St. Kliment Ohridski University of Sofia, 1164 Sofia, Bulgaria
²Department of Physics and Astronomy, SUNY at Stony Brook, Stony Brook, New York 11794-3800, USA
³Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
⁴National Superconducting Cyclotron Laboratory, Michigan State University, 164 S. Shaw Lane, East Lansing, Michigan 48824, USA
⁵Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USA
⁶Department of Physics, University of York, Heslington, York Y01 5DD, United Kingdom

^*On leave from Faculty of Physics, St. Kliment Ohridski University of Sofia, 1164 Sofia, Bulgaria.

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Vol. 71, Iss. 3 — March 2005

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Physical Review C

covering nuclear physics

Quasi-γ band and odd-even staggering effect in ${}^{102}{Ru}$

S. Lalkovski, G. Rainovski, K. Starosta, M. P. Carpenter, D. B. Fossan, S. Finnigan, S. Ilieva, P. Joshi, T. Koike, E. S. Paul, N. Pietralla, C. Vaman, and R. Wadsworth

Phys. Rev. C 71, 034318 – Published 28 March 2005

Abstract

Authors & Affiliations

Article Text (Subscription Required)

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Physical Review C

covering nuclear physics

Quasi-γ band and odd-even staggering effect in Ru102

S. Lalkovski, G. Rainovski, K. Starosta, M. P. Carpenter, D. B. Fossan, S. Finnigan, S. Ilieva, P. Joshi, T. Koike, E. S. Paul, N. Pietralla, C. Vaman, and R. Wadsworth

Phys. Rev. C 71, 034318 – Published 28 March 2005

Abstract

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Quasi-γ band and odd-even staggering effect in ${}^{102}{Ru}$