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Some Studies on the Time Resolved Energy Spectrum Reconstruction for Pulsed Neutron Source

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The purpose of this article is to present some new numerical results concerning the time resolved energy spectrum reconstruction of a short pulsed neutron source, like one created in plasma focus devices. An MCNP code is used to simulate a time dependent neutron source, plastic scintillator detectors, and their recorded signals. A Monte Carlo program reconstructs spectrum using the signals produced by MCNP code. By the numerical computations we determined the optimum number of four detectors which are needed to be placed at 0, 10, 18 and 30 m from the source, respectively. A time resolution about 12 ns and an energy resolution of 40 keV are obtained. Neutron scattering in the air is considered, and it is found that the intensity of spectrum is increased by 6%.

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Acknowledgments

We wish to thank F. Abbasi, M. A. Talebian, M. S. Zaeferani and A. Roomi for their help in this work.

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Authors and Affiliations

  1. Imam Hosien University, 16575-347, Tehran, Iran

    M. Abdollahzadeh

  2. Nuclear Fusion Research Center, A.E.O.I., 14155-1339, Tehran, Iran

    S. M. Sadat Kiai

  3. Institute of Applied Physics, 15875-5878, Tehran, Iran

    G. R. Etaati

  4. Physics Department, Qom University, 37165, Qom, Iran

    A. R. Babazadeh

Authors
  1. M. Abdollahzadeh
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  2. S. M. Sadat Kiai
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  3. G. R. Etaati
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  4. A. R. Babazadeh
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Correspondence to M. Abdollahzadeh.

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Abdollahzadeh, M., Sadat Kiai, S.M., Etaati, G.R. et al. Some Studies on the Time Resolved Energy Spectrum Reconstruction for Pulsed Neutron Source. J Fusion Energ 25, 181–185 (2006). https://doi.org/10.1007/s10894-006-9022-9

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  • DOI: https://doi.org/10.1007/s10894-006-9022-9

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