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First identification of excited states in the \(T_z\! = \!1/2\) nucleus 93 Pd

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Abstract.

The first experimental information about excited states in the N = Z + 1 nucleus 93Pd is presented. The experiment was performed using a 205 MeV 58Ni beam from the Vivitron accelerator at IReS, Strasbourg, impinging on a bismuth-backed 40Ca target. Gamma-rays, neutrons and charged particles emitted in the reactions were detected using the Ge detector array Euroball, the Neutron Wall liquid-scintillator array and the Euclides Si charged-particle detector system. The experimental level scheme is compared with the results of new shell model calculations which predict a coupling scheme with aligned neutron-proton pairs to greatly influence the level structure of \(N\approx Z\) nuclei at low excitation energies.

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Authors and Affiliations

  1. Institute of Nuclear Research, Pf. 51, H-4001, Debrecen, Hungary

    D. Sohler & J. Timár

  2. Department of Physics, Royal Institute of Technology, SE-10691, Stockholm, Sweden

    D. Sohler, K. Lagergren, J. Blomqvist, B. Cederwall, A. Johnson, B. Hadinia & L. Milechina

  3. Laboratori Nazionali di Legnaro, Padova, Italy

    G. de Angelis & A. Gadea

  4. Institute de Recherches Subatomiques, F-67037, Strasbourg, France

    P. Bednarczyk & D. Curien

  5. H. Niewodniczanski Institute of Nuclear Physics, Krakow, Poland

    P. Bednarczyk

  6. Department of Radiation Sciences, Uppsala University, Uppsala, Sweden

    J. Nyberg

Authors
  1. D. Sohler
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  2. K. Lagergren
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  3. J. Blomqvist
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  4. B. Cederwall
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  5. A. Johnson
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  6. B. Hadinia
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  7. L. Milechina
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  8. J. Timár
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  9. G. de Angelis
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  10. P. Bednarczyk
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  11. D. Curien
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  12. A. Gadea
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  13. J. Nyberg
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Corresponding author

Correspondence to D. Sohler.

Additional information

Communicated by J. Äystö

Received: 28 October 2003, Revised: 4 December 2003, Published online: 26 January 2004

PACS:

21.10.Hw Spin, parity, and isobaric spin - 23.20.Lv \(\gamma\) transitions and level energies - 27.60. + j \(90 \leq A \leq 149\) - 21.60.Cs Shell model

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Sohler, D., Lagergren, K., Blomqvist, J. et al. First identification of excited states in the \(T_z\! = \!1/2\) nucleus 93 Pd . Eur. Phys. J. A 19, 169–172 (2004). https://doi.org/10.1140/epja/i2003-10180-5

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  • DOI: https://doi.org/10.1140/epja/i2003-10180-5

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