• Negative parity states in144Nd and multipolarity of gamma-transitions from 1 to 2+ states by beta-gamma-gamma angular correlation method

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    • Keywords


      Negative parity states; radioactivity of144Nd; gamma transitions; multipolarity

    • Abstract


      Some of the low-lying states in many isotopes144Nd,148Sm,152Gd and156Gd show a similar typical behaviour. The first 2+ is regarded as a single quadrupole phonon state and 3 as a single octupole phonon state. The levels with the spins and parities 1, 5, 3, 4, etc. are considered due to the simultaneous excitation of quadrupole and octupole phonons. If this consideration is correct, then the transition fromJ to 2+ states must contain an appreciableE3 content. Theβ-γ-γ angular correlation coefficients for the cascade ofβ-rays ofEmax 800 keV→γ-rays of 1489 keV→γ-rays of 696 keV are used to estimateE3 content inE1 transition in144Nd.

    • Author Affiliations


      I V S Rathore1 B P Singh1

      1. Department of Physics, University of Roorkee, Roorkee - 247 672
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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