Spectroscopy of At201 including the observation of a shears band and the 29/2+ isomeric state

K. Auranen, J. Uusitalo, S. Juutinen, U. Jakobsson, T. Grahn, P. T. Greenlees, K. Hauschild, A. Herzáň, R. Julin, J. Konki, M. Leino, J. Pakarinen, J. Partanen, P. Peura, P. Rahkila, P. Ruotsalainen, M. Sandzelius, J. Sarén, C. Scholey, J. Sorri, and S. Stolze
Phys. Rev. C 91, 024324 – Published 24 February 2015; Erratum Phys. Rev. C 92, 039901 (2015)

Abstract

The excited states of At201 were studied and an isomeric 29/2+ state [T½=3.39(9)μs] was identified by using a fusion-evaporation reaction, a gas-filled recoil separator, and recoil gating techniques. The 29/2+ state is suggested to originate from the π(h9/2)|Po200;11 configuration, and it decays through the 269- and 339-keV E2- and E3-type transitions, respectively. Moreover, a cascade of magnetic dipole transitions that is suggested to originate from a shears band was observed by using recoil-gated γγ(γ) coincidence techniques.

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  • Received 18 December 2014

DOI:https://doi.org/10.1103/PhysRevC.91.024324

©2015 American Physical Society

Erratum

Erratum: Spectroscopy of At201 including the observation of a shears band and the 29/2+ isomeric state [Phys. Rev. C 91, 024324 (2015)]

K. Auranen, J. Uusitalo, S. Juutinen, U. Jakobsson, T. Grahn, P. T. Greenlees, K. Hauschild, A. Herzáň, R. Julin, J. Konki, M. Leino, J. Pakarinen, J. Partanen, P. Peura, P. Rahkila, P. Ruotsalainen, M. Sandzelius, J. Sarén, C. Scholey, J. Sorri, and S. Stolze
Phys. Rev. C 92, 039901 (2015)

Authors & Affiliations

K. Auranen1,*, J. Uusitalo1, S. Juutinen1, U. Jakobsson1,†, T. Grahn1, P. T. Greenlees1, K. Hauschild2, A. Herzáň1, R. Julin1, J. Konki1, M. Leino1, J. Pakarinen1, J. Partanen1, P. Peura1, P. Rahkila1, P. Ruotsalainen1, M. Sandzelius1, J. Sarén1, C. Scholey1, J. Sorri1, and S. Stolze1

  • 1University of Jyvaskyla, Department of Physics, P. O. Box 35, FI-40014 University of Jyvaskyla, Finland
  • 2CSNSM, IN2P3-CNRS, F-91405 Orsay Campus, France

  • *kalle.auranen@jyu.fi
  • Present address: Department of Physics, Royal Institute of Technology, SE-10691 Stockholm, Sweden.

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Vol. 91, Iss. 2 — February 2015

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