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Pavel Golubev

Pavel Golubev

Senior lecturer

Pavel Golubev

Study of isomeric states in 198,200,202,206Pb and 206Hg populated in fragmentation reactions

Author

  • Nataša Lalović
  • Dirk Rudolph
  • Zsolt Podolyák
  • Luis Sarmiento Pico
  • E.C. Simpson
  • T. Alexander
  • M.L. Cortés
  • J. Gerl
  • Pavel Golubev
  • F. Ameil
  • T. Arici
  • Ch. Bauer
  • D. Bazzacco
  • M. A. Bentley
  • P. Boutachkov
  • M. Bowry
  • Claes Fahlander
  • A. Gadea
  • Jnaneswari Gellanki
  • A. Givechev
  • N. Goel
  • M. Gorska
  • A. Gottardo
  • E. Gregor
  • G. Guastalla
  • T. Habermann
  • M. Hackstein
  • A. Jungclaus
  • I. Kojouharov
  • R. Kumar
  • N. Kurz
  • M. Lettmann
  • C. Lizarazo
  • C. Louchart
  • E. Merchán
  • C. Michelagnoli
  • Th. Moeller
  • K. Moschner
  • Z. Patel
  • N. Pietralla
  • S. Pietri
  • D. Ralet
  • M. Reese
  • P.H. Regan
  • P. Reiter
  • H. Schaffner
  • P. Singh
  • C. Stahl
  • R. Stegmann
  • O. Stezowski
Show all

Summary, in English

Isomeric states in isotopes in the vicinity of doubly-magic 208Pb were populated following reactions of a relativistic 208Pb primary beam impinging on a 9Be fragmentation target. Secondary beams of 198,200,202,206Pb and 206Hg were isotopically separated and implanted in a passive stopper positioned in the focal plane of the GSI Fragment Separator. Delayed γ rays were detected with the Advanced Gamma Tracking Array (AGATA). Decay schemes were re-evaluated and interpreted with shell-model calculations. The momentum-dependent population of isomeric states in the two-nucleon hole nuclei 206Pb/206Hg was found to differ from the population of multi neutron-hole isomeric states in 198,200,202Pb.

Department/s

  • Nuclear physics

Publishing year

2018-02-12

Language

English

Publication/Series

Journal of Physics G: Nuclear and Particle Physics

Volume

45

Issue

3

Document type

Journal article

Publisher

IOP Publishing

Topic

  • Subatomic Physics

Keywords

  • Gamma-ray spectroscopy
  • PreSPEC-AGATA
  • relativistic projectile fragmentation
  • direct reactions
  • isomeric decays
  • electromagnetic transitions
  • nuclear shell model

Status

Published

Project

  • Nuclear Structure Studies near 208Pb and gamma-ray Imaging Techniques
  • Nuclear Structure at the Limits: Isotope-selective Spectroscopy
  • FAIR-NUSTAR: HISPEC-DESPEC experiment & Super-FRS contributions

ISBN/ISSN/Other

  • ISSN: 0954-3899