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Measurement of Monochromatic Positron Lifetime in a Continuous Flux

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Abstract

A scheme and a setup for the formation of the continuous monochromatic positron flux with a controllable time of arrival at the target independent of the launch time within a limited time interval are proposed. The method is described in [1]. The setup is intended for conducting experiments on measuring positron lifetime in matter using positron annihilation lifetime spectroscopy (PALS). This method allows types of defects to be discriminated in materials. In the proposed version, it is possible to vary the positron energy, which allows the distribution of defects over the sample depth to be analyzed. Schemes of periodic preset-shape RF voltage generation and positron lifetime measurement are discussed.

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References

  1. I. N. Meshkov, “Formation of ordered positron flux,” in Proceedings of the 12th International Seminar on Problems of Charged Particle Accelerators, Dedicated to V. P. Sarantsev’ Memory, Alushta Krym, Russia.

  2. P. Horodek, A. G. Kobets, I. N. Meshkov, A. A. Sidorin, and O. S. Orlov, “Slow positron beam at JINR, Dubna,” Nucleonica 60, 725 (2015).

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  3. P. Horodek, M. Bugdol, A. G. Kobets, I. N. Meshkov, O. S. Orlov, A. Yu. Rudakov, A. A. Sidorin, and S. L. Yakovenko, “Development of positron annihilation spectroscopy at the LEPTA facility,” Phys. Part. Nucl. 11, 708 (2014).

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, Dubna, 141983, Russia

    E. V. Ahmanova, M. K. Eseev, V. I. Hilinov, P. Horodek, A. G. Kobets, V. V. Kobets, I. N. Meshkov, O. S. Orlov, K. Siemek & A. A. Sidorin

  2. Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland

    P. Horodek & K. Siemek

  3. Institute of Electrophysics and Radiation Technologies, National Academy of Sciences of Ukraine, Kharkov, Ukraine

    A. G. Kobets

  4. Northern (Arctic) Federal University, Arkhangelsk, 163002, Russia

    M. K. Eseev

Authors
  1. E. V. Ahmanova
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  2. M. K. Eseev
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  3. V. I. Hilinov
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  4. P. Horodek
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  5. A. G. Kobets
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  6. V. V. Kobets
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  7. I. N. Meshkov
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  8. O. S. Orlov
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  9. K. Siemek
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  10. A. A. Sidorin
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Corresponding author

Correspondence to O. S. Orlov.

Additional information

Original Russian Text © E.V. Ahmanova, M.K. Eseev, V.I. Hilinov, P. Horodek, A.G. Kobets, V.V. Kobets, I.N. Meshkov, O.S. Orlov, K. Siemek, A.A. Sidorin, 2018, published in Pis’ma v Zhurnal Fizika Elementarnykh Chastits i Atomnogo Yadra, 2018.

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Ahmanova, E.V., Eseev, M.K., Hilinov, V.I. et al. Measurement of Monochromatic Positron Lifetime in a Continuous Flux. Phys. Part. Nuclei Lett. 15, 975–976 (2018). https://doi.org/10.1134/S1547477118070026

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  • DOI: https://doi.org/10.1134/S1547477118070026

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