Electric Monopole Transitions in Nd Nuclei within IBM-2

Document Type : Original Article

Authors

1 Physics Department College of Science AL-Nahrain University

2 Physics Department College of Science AL-Nahrain University Baghdad, IRAQ

3 Mosul University, College of Science

Abstract

The monopole transitions of 144-154Nd isotopes have been investigated in this work within the interacting boson model-2 (IBM-2) framework. The low-lying energy levels, electric quadrupole transition probability rates B(E2), electric quadrupole moments for first excited states monopole transition matrix elements and the intensity ratio were calculated in this work. The results of IBM-2 have been compared with the available experimental data; we have obtained a reasonable agreement. Unfortunately, the experimental data available on E0 transitions are very rare.The electric transition probability rates of beta and gamma bands to ground state band were calculated are fairly good agreement with available experimental values. Concerning the electric transition rates properties in IBM-2, we find that all calculations trends is reproduced well reasonably. The effective charges for neutron bosons and proton bosons calculated within IBM-2 are depending on the IBM-2 symmetries, we get suitable values for which is a constant for all 144-154Nd isotopes because the number of proton bosons is constant. The effective charge for neutron bosons varies from isotope to another

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History

  • Receive Date: 10 September 2020
  • Revise Date: 28 October 2020
  • Accept Date: 26 November 2020

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