Observation of signature inversion in the <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>ν</mi><mrow><msub><mrow><mo>(</mo><mi>h</mi></mrow><mrow><mn>1</mn><mn>1</mn><mo>/</mo><mn>2</mn></mrow></msub></mrow><mo>)</mo><mo>⊗</mo><mi>π</mi><mrow><msub><mrow><mo>(</mo><mi>h</mi></mrow><mrow><mn>1</mn><mn>1</mn><mo>/</mo><mn>2</mn></mrow></msub></mrow><mo>)</mo></math></span> band of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow></mrow><mrow><mn>122</mn></mrow></msup></mrow><mi mathvariant="normal">Cs</mi></math></span>

J. F. Smith; C. J. Chiara; D. B. Fossan; G. J. Lane; J. F. Lewicki; J. M. Sears; P. Vaska

doi:10.1103/PhysRevC.58.3237

Observation of signature inversion in the $ν {(h}_{11 / 2}) \otimes π {(h}_{11 / 2})$ band of $^{122} Cs$

J. F. Smith, C. J. Chiara, D. B. Fossan, G. J. Lane, J. F. Lewicki, J. M. Sears, and P. Vaska

Phys. Rev. C 58, 3237 – Published 1 December 1998

Abstract

High-spin states have been studied in $^{122} Cs$ using the $^{94} Mo (^{31} P, 2 p n)$ reaction. Two rotational bands have been observed to spins of 28 and $21 ħ .$ The most intensely populated band has been reassigned to have the $ν {(h}_{11 / 2}) \otimes π {(h}_{11 / 2})$ configuration. A low-spin signature inversion is observed in this band between 19 and $20 ħ,$ consistent with the neighboring odd-odd cesium isotopes. Spectroscopic properties are discussed, including signature inversion of bands in $A ≃ 120$ nuclei.

Received 8 June 1998

DOI:https://doi.org/10.1103/PhysRevC.58.3237

Authors & Affiliations

J. F. Smith^*, C. J. Chiara, D. B. Fossan, G. J. Lane^†, J. F. Lewicki, J. M. Sears, and P. Vaska^‡

Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York 11794-3800

^*Present address: Schuster Laboratory, The University of Manchester, Manchester, M13 9PL, United Kingdom.
^†Present address: Department of Nuclear Physics, Research School of Physical Science and Engineering, Australian National University, Canberra, ACT 0200, Australia.
^‡Present address: UGM Laboratory, Inc, 3611 Market Street, Philadelphia, PA 19104.

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Vol. 58, Iss. 6 — December 1998

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