Multi-step Coulomb excitation of 132Ba at HIL, Warsaw

  • Sunil Dutt
  • , M. Saxena
  • , P. J. Napiorkowski
  • , R. Kumar
  • , T. Abrahahm
  • , J. M. Allmond
  • , A. Gwalik
  • , K. Hadynska-Klęk
  • , M. Hlebowicz
  • , J. Iwanicki
  • , M. Kisieliński
  • , M. Komorowska
  • , M. Kowalczyk
  • , T. Marchlewski
  • , M. Matejska-Minda
  • , F. Oleszczuk
  • , M. Palacz
  • , W. Piątek
  • , L. Próchniak
  • , I. A. Rizvi
  • J. Samorajczyk, J. Srebrny, A. Tucholski, W. Wróblewski, K. Wrzosek-Lipska

Research output: Contribution to journalArticlepeer-review

Abstract

To determine the shape of 132Ba Coulomb excitation measurement has been performed at U-200P cyclotron at Heavy Ion Laboratory, University of Warsaw, Poland. A 32S beam of ~90 MeV energy has been bombarded on enriched 132Ba-target to Coulomb excite the latter nuclei. EAGLE gamma-ray spectrometer consisting of 15 single crystal HPGe detectors has been used to detect the deexcited gamma-rays from Coulomb excited Ba nuclei. The data has been collected using Particle-gamma coincidence technique for a period of seven days. The back scattered projectiles have been identified with 48 PiN diodes of 0.5 X 0.5 cm2 active area mounted in a scattering chamber of ~5 cm radius called as ‘Munich chamber’. The energy states up to ~1127 keV energy have been populated in the interested 132Ba isotope. The preliminary results of the data analysis are presented here.

Original languageEnglish
Pages (from-to)599-601
Number of pages3
JournalIndian Journal of Pure and Applied Physics
Volume57
Issue number8
StatePublished - 2019

Funding

One of the authors (S D) is thankful to Erasmus-Mundus association for the financial support through EMINTE fellowship. Thanks are also due to accelerator staff Heavy Ion Laboratory, University of Warsaw, Poland and Chairman, Department of Physics, A.M.U. Aligarh, India for providing the necessary facilities.

Keywords

  • Barium
  • Coulomb excitation
  • Nuclear structure
  • P-γ coincidence
  • Transitional nuclei

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