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Shape changes at high spin in 78Kr

  • Nuclear Structure and Reactions
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Abstract.

High-spin states in 78Kr have been studied via the 63Cu (19F, 2p2n)78Kr reaction at a beam energy of 60 MeV using the Indian National Gamma Array (INGA). In this nucleus, lifetimes have been measured upto the I π=22+ level in the yrast positive-parity band and upto the I π=15- level in the negative-parity band using the Doppler Shift Attenuation Method (DSAM). The deduced transition quadrupole moments Qt's are found to decrease with rotational frequency for both the bands.

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Authors and Affiliations

  1. Department of Physics, Banaras Hindu University, 221 005, Varanasi, India

    A. Dhal, R. K. Sinha & L. Chaturvedi

  2. Department of Physics, IIT Roorkee, 247 667, Roorkee, India

    P. Agarwal, S. Kumar & A. K. Jain

  3. Department of Physics, Guru Nanak Dev University, 143 005, Amritsar, India

    Monika & K. S. Thind

  4. Department of Physics, Panjab University, 160 014, Chandigarh, India

    B. B. Singh, R. Kumar & I. M. Govil

  5. HISKP, University of Bonn, Germany

    P. Bringel & A. Neusser

  6. Inter University Accelerator Center, 110 067, New Delhi, India

    R. Kumar, K. S. Golda, R. P. Singh, S. Muralithar, N. Madhavan, J. J. Das, R. K. Bhowmik & S. C. Pancholi

  7. Department of Physics and Meteorology, IIT Kharagpur, 721 302, Kharagpur, India

    A. Shukla & P. K. Raina

  8. IUC-DAE Consortium for Scientific Research, Kolkata Centre, 700 091, Kolkata, India

    A. K. Sinha

  9. Tata Institute of Fundamental Research, 400 005, Mumbai, India

    P. K. Joshi

Authors
  1. A. Dhal
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  2. R. K. Sinha
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  3. P. Agarwal
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  4. S. Kumar
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  5. Monika
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  6. B. B. Singh
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  7. R. Kumar
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  8. P. Bringel
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  9. A. Neusser
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  10. R. Kumar
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  11. K. S. Golda
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  12. R. P. Singh
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  13. S. Muralithar
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  14. N. Madhavan
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  15. J. J. Das
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  16. A. Shukla
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  17. P. K. Raina
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  18. K. S. Thind
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  19. A. K. Sinha
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  20. I. M. Govil
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  21. P. K. Joshi
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  22. R. K. Bhowmik
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  23. A. K. Jain
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  24. S. C. Pancholi
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  25. L. Chaturvedi
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Corresponding author

Correspondence to A. Dhal.

Additional information

D. Schwalm

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Dhal, A., K. Sinha, R., Agarwal, P. et al. Shape changes at high spin in 78Kr. Eur. Phys. J. A 27, 33–36 (2006). https://doi.org/10.1140/epja/i2005-10230-0

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  • DOI: https://doi.org/10.1140/epja/i2005-10230-0

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