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Digital signal processing application to 252Cf(sf) reaction products spectroscopy

  • Proceedings of the International Conference “Nucleus 2009: Fundamental Problems and Applications of Nuclear Physics, from Cosmos to Nanotechnologies” (LIX International Conference on Nuclear Spectroscopy and Atomic Nuclear Structure)
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The emission of prompt fission neutrons in spontaneous fission of 252Cf was studied by the application of digital data processing for the first time. The study was aimed at comparing the obtained results with those from the pioneering work of Budtz-Jorgensen and Knitter. By using a twin Frisch grid ionization chamber for fission fragment detection and a neutron scintillator (NE213) for the detection of neutrons, a total of about 107 neutron coincidences were registered. The fission-fragment kinetic energies were measured using a fast (80 MHz) waveform digitizer that provided 10-bit amplitude resolution. Standard analog NIM modules were used for neutron time-of-flight and pulse shape measurements. A time-to-digital converter (TDC) with 1-ns resolution and a pair of gated charge-to-digital converters with 12-bit amplitude resolution were also used. The fission fragment signals were analyzed by means of digital signal processing algorithms. Data on prompt fission neutron energies were obtained by using a time-of-flight (TOF) spectrum unfolding procedure applicable to list-mode data.

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Authors and Affiliations

  1. Moscow State Institute of Radio Engineering, Electronics, and Automation, Moscow, 117454, Russia

    O. V. Zeynalova

  2. Joint Institute for Nuclear Research (JINR), Dubna, 141980, Russia

    O. V. Zeynalova & Sh. Zeynalov

  3. Institute for Reference Materials and Measurements, European Commission Joint Research Centre, B-2440, Geel, Belgium

    Sh. Zeynalov, F. -J. Hambsch, S. Oberstedt & I. Fabry

Authors
  1. O. V. Zeynalova
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  2. Sh. Zeynalov
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  3. F. -J. Hambsch
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  4. S. Oberstedt
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  5. I. Fabry
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Corresponding author

Correspondence to O. V. Zeynalova.

Additional information

Original Russian Text © O.V. Zeynalova, Sh. Zeynalov, F.-J. Hambsch, S. Oberstedt, I. Fabry, 2010, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2010, Vol. 74, No. 6, pp. 837–841.

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Zeynalova, O.V., Zeynalov, S., Hambsch, F.J. et al. Digital signal processing application to 252Cf(sf) reaction products spectroscopy. Bull. Russ. Acad. Sci. Phys. 74, 800–804 (2010). https://doi.org/10.3103/S1062873810060158

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  • DOI: https://doi.org/10.3103/S1062873810060158

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