Possible assignment of chiral twin bands in $^{188}\mathrm{I}\mathrm{r}$

Possible assignment of chiral twin bands in ${}^{188}I r$

D. L. Balabanski, M. Danchev, D. J. Hartley, L. L. Riedinger, O. Zeidan, Jing-ye Zhang, C. J. Barton, C. W. Beausang, M. A. Caprio, R. F. Casten, J. R. Cooper, A. A. Hecht, R. Krücken, J. R. Novak, N. V. Zamfir, and K. E. Zyromski

Phys. Rev. C 70, 044305 – Published 11 October 2004

Abstract

High-spin states in the doubly-odd $Z = 77$ nucleus ${}^{188}I r$ were populated in the ${}^{186}W ({}^{7}L i, 5 n)$ reaction at $52 MeV$ . Two nearly degenerate $Δ I = 1$ sequences with the same parity were established. Both bands have been assigned the $π h_{9 ∕ 2} \otimes ν i_{13 ∕ 2}$ configuration, based on the systematic behavior of these excitations in the $Ir$ nuclei and on the measured values for the $B (M 1) ∕ B (E 2)$ ratios, and they are suggested as candidates for a chiral doublet.

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Received 14 September 2003

DOI:https://doi.org/10.1103/PhysRevC.70.044305

Authors & Affiliations

D. L. Balabanski^1,2,*, M. Danchev^1,2, D. J. Hartley^1,†, L. L. Riedinger^1,3, O. Zeidan¹, Jing-ye Zhang¹, C. J. Barton⁴, C. W. Beausang⁴, M. A. Caprio⁴, R. F. Casten⁴, J. R. Cooper⁴, A. A. Hecht⁴, R. Krücken^4,‡, J. R. Novak⁴, N. V. Zamfir^4,5,6, and K. E. Zyromski⁴

¹Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
²Faculty of Physics, St. Kliment Ohridski University of Sofia, BG-1164 Sofia, Bulgaria
³Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
⁴WNSL, Physics Department, Yale University, New Haven, Connecticut 06520, USA
⁵Clark University, Worcester, Massachusetts 10610, USA
⁶National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania

^*Present address: Dipartimento di Fisica, Università degli Studi di Camerino, 62032 Camerino (MC), Italy.
^†Present address: Department of Physics, United States Naval Academy, Annapolis, MD 21402, U.S.A.
^‡Present address: Physik-Department E12, Technische Universität München, 85748 Garching, Germany.

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Vol. 70, Iss. 4 — October 2004

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Physical Review C

covering nuclear physics

Possible assignment of chiral twin bands in ${}^{188}I r$

D. L. Balabanski, M. Danchev, D. J. Hartley, L. L. Riedinger, O. Zeidan, Jing-ye Zhang, C. J. Barton, C. W. Beausang, M. A. Caprio, R. F. Casten, J. R. Cooper, A. A. Hecht, R. Krücken, J. R. Novak, N. V. Zamfir, and K. E. Zyromski

Phys. Rev. C 70, 044305 – Published 11 October 2004

Abstract

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Physical Review C

covering nuclear physics

Possible assignment of chiral twin bands in I188r

D. L. Balabanski, M. Danchev, D. J. Hartley, L. L. Riedinger, O. Zeidan, Jing-ye Zhang, C. J. Barton, C. W. Beausang, M. A. Caprio, R. F. Casten, J. R. Cooper, A. A. Hecht, R. Krücken, J. R. Novak, N. V. Zamfir, and K. E. Zyromski

Phys. Rev. C 70, 044305 – Published 11 October 2004

Abstract

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Possible assignment of chiral twin bands in ${}^{188}I r$