Excited states in 110I and core polarization effects of the h11/2 proton and neutron orbitals

K. Starosta; D. R. LaFosse; C. J. Chiara; D. B. Fossan; T. Koike; G. J. Lane; J. M. Sears; J. F. Smith; A. J. Boston; P. J. Nolan; E. S. Paul; A. T. Semple; M. Devlin; D. G. Sarantites; I. Y. Lee; A. O. Macchiavelli

Excited states in ¹¹⁰I and core polarization effects of the h_11/2 proton and neutron orbitals

K. Starosta, D. R. LaFosse, C. J. Chiara, D. B. Fossan, T. Koike, G. J. Lane, J. M. Sears, J. F. Smith, A. J. Boston, P. J. Nolan, E. S. Paul, A. T. Semple, M. Devlin, D. G. Sarantites, I. Y. Lee, A. O. Macchiavelli

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Excited states in ¹¹⁰I have been identified for the first time using the αpn evaporation channel from the ⁵⁸Ni+⁵⁸Ni reaction at a beam energy of 250 MeV. The experiment was carried out using GAMMASPHERE coupled to the MICROBALL charged-particle detector array and an array of 15 neutron detectors. Two collective structures were observed with the yrast band built on the πh_11/2⊗νh_11/2 configuration. Comparisons of the yrast-band energies with the excitation energies of the yrast states in even ₅₂Te and in odd ₅₂Te and ₅₃I isotopes for A ∼ 110 were analyzed, revealing different responses of the underlying cores to the valence πh_11/2 and νh_11/2 orbitals. It is concluded that the neutron h_11/2 valence orbital has a larger influence than that of the proton h_11/2 valence orbital.

Original language	English
Article number	044309
Pages (from-to)	443091-443094
Number of pages	4
Journal	Physical Review C - Nuclear Physics
Volume	62
Issue number	4
Publication status	Published - 2000 Oct
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Starosta, K., LaFosse, D. R., Chiara, C. J., Fossan, D. B., Koike, T., Lane, G. J., Sears, J. M., Smith, J. F., Boston, A. J., Nolan, P. J., Paul, E. S., Semple, A. T., Devlin, M., Sarantites, D. G., Lee, I. Y., & Macchiavelli, A. O. (2000). Excited states in ¹¹⁰I and core polarization effects of the h_11/2 proton and neutron orbitals. Physical Review C - Nuclear Physics, 62(4), 443091-443094. [044309].

Excited states in ¹¹⁰I and core polarization effects of the h_11/2 proton and neutron orbitals. / Starosta, K.; LaFosse, D. R.; Chiara, C. J.; Fossan, D. B.; Koike, T.; Lane, G. J.; Sears, J. M.; Smith, J. F.; Boston, A. J.; Nolan, P. J.; Paul, E. S.; Semple, A. T.; Devlin, M.; Sarantites, D. G.; Lee, I. Y.; Macchiavelli, A. O.

In: Physical Review C - Nuclear Physics, Vol. 62, No. 4, 044309, 10.2000, p. 443091-443094.

Research output: Contribution to journal › Article › peer-review

Starosta, K, LaFosse, DR, Chiara, CJ, Fossan, DB, Koike, T, Lane, GJ, Sears, JM, Smith, JF, Boston, AJ, Nolan, PJ, Paul, ES, Semple, AT, Devlin, M, Sarantites, DG, Lee, IY & Macchiavelli, AO 2000, 'Excited states in ¹¹⁰I and core polarization effects of the h_11/2 proton and neutron orbitals', Physical Review C - Nuclear Physics, vol. 62, no. 4, 044309, pp. 443091-443094.

Starosta, K. ; LaFosse, D. R. ; Chiara, C. J. ; Fossan, D. B. ; Koike, T. ; Lane, G. J. ; Sears, J. M. ; Smith, J. F. ; Boston, A. J. ; Nolan, P. J. ; Paul, E. S. ; Semple, A. T. ; Devlin, M. ; Sarantites, D. G. ; Lee, I. Y. ; Macchiavelli, A. O. / Excited states in ¹¹⁰I and core polarization effects of the h_11/2 proton and neutron orbitals. In: Physical Review C - Nuclear Physics. 2000 ; Vol. 62, No. 4. pp. 443091-443094.

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title = "Excited states in 110I and core polarization effects of the h11/2 proton and neutron orbitals",

abstract = "Excited states in 110I have been identified for the first time using the αpn evaporation channel from the 58Ni+58Ni reaction at a beam energy of 250 MeV. The experiment was carried out using GAMMASPHERE coupled to the MICROBALL charged-particle detector array and an array of 15 neutron detectors. Two collective structures were observed with the yrast band built on the πh11/2⊗νh11/2 configuration. Comparisons of the yrast-band energies with the excitation energies of the yrast states in even 52Te and in odd 52Te and 53I isotopes for A ∼ 110 were analyzed, revealing different responses of the underlying cores to the valence πh11/2 and νh11/2 orbitals. It is concluded that the neutron h11/2 valence orbital has a larger influence than that of the proton h11/2 valence orbital.",

author = "K. Starosta and LaFosse, {D. R.} and Chiara, {C. J.} and Fossan, {D. B.} and T. Koike and Lane, {G. J.} and Sears, {J. M.} and Smith, {J. F.} and Boston, {A. J.} and Nolan, {P. J.} and Paul, {E. S.} and Semple, {A. T.} and M. Devlin and Sarantites, {D. G.} and Lee, {I. Y.} and Macchiavelli, {A. O.}",

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AU - Starosta, K.

AU - LaFosse, D. R.

AU - Chiara, C. J.

AU - Fossan, D. B.

AU - Koike, T.

AU - Lane, G. J.

AU - Sears, J. M.

AU - Smith, J. F.

AU - Boston, A. J.

AU - Nolan, P. J.

AU - Paul, E. S.

AU - Semple, A. T.

AU - Devlin, M.

AU - Sarantites, D. G.

AU - Lee, I. Y.

AU - Macchiavelli, A. O.

PY - 2000/10

Y1 - 2000/10

N2 - Excited states in 110I have been identified for the first time using the αpn evaporation channel from the 58Ni+58Ni reaction at a beam energy of 250 MeV. The experiment was carried out using GAMMASPHERE coupled to the MICROBALL charged-particle detector array and an array of 15 neutron detectors. Two collective structures were observed with the yrast band built on the πh11/2⊗νh11/2 configuration. Comparisons of the yrast-band energies with the excitation energies of the yrast states in even 52Te and in odd 52Te and 53I isotopes for A ∼ 110 were analyzed, revealing different responses of the underlying cores to the valence πh11/2 and νh11/2 orbitals. It is concluded that the neutron h11/2 valence orbital has a larger influence than that of the proton h11/2 valence orbital.

AB - Excited states in 110I have been identified for the first time using the αpn evaporation channel from the 58Ni+58Ni reaction at a beam energy of 250 MeV. The experiment was carried out using GAMMASPHERE coupled to the MICROBALL charged-particle detector array and an array of 15 neutron detectors. Two collective structures were observed with the yrast band built on the πh11/2⊗νh11/2 configuration. Comparisons of the yrast-band energies with the excitation energies of the yrast states in even 52Te and in odd 52Te and 53I isotopes for A ∼ 110 were analyzed, revealing different responses of the underlying cores to the valence πh11/2 and νh11/2 orbitals. It is concluded that the neutron h11/2 valence orbital has a larger influence than that of the proton h11/2 valence orbital.

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