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Investigations of low- and high-spin states of 132La

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Abstract:

The fusion evaporation reaction 122Sn(14N, 4n)132La was used to populate the high-spin states of 132La at the beam energy of 60 MeV. A new band consisting of mostly E2 transitions has been discovered. This band has the interesting links to the ground state 2- and the isomeric state 6-. A new transition of energy 351 keV connecting the low-spin states of the positive-parity band based on the πh 11/2 ⊗ νh 11/2 particle configuration, has been found. This has played a very important role in resolving the existing ambiguities and inconsistencies in the spin assignment of the band head.

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Authors and Affiliations

  1. Physics Department, Indian Institute of Technology-Bombay, Powai, Mumbai-400076, India, , , , , , IN

    Vinod Kumar & Pragya Das

  2. Nuclear Science Centre, Aruna Asaf Ali Marg, New Delhi-110067, India, , , , , , IN

    R.P. Singh, S. Muralithar & R.K. Bhowmik

Authors
  1. Vinod Kumar
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  2. Pragya Das
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  3. R.P. Singh
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  4. S. Muralithar
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  5. R.K. Bhowmik
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Additional information

Received: 12 August 2002 / Accepted: 18 March 2003 / Published online: 7 May 2003

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Kumar, V., Das, P., Singh, R. et al. Investigations of low- and high-spin states of 132La. Eur Phys J A 17, 153–157 (2003). https://doi.org/10.1140/epja/i2002-10157-x

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  • DOI: https://doi.org/10.1140/epja/i2002-10157-x

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