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Twin position sensitive ionization chamber, utilizing backgammon and time projection method

  • Proceedings of the International Conference “Nuclei-2010. Methods of Nuclear Physics for Femto- and Nanotechnologies” (The 60th International Meeting on Nuclear Spectroscopy and the Structure of Atomic Nuclei)
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The anomalous dependence of average prompt fission neutron (PFN) multiplicity on the fission fragment total kinetic energy of 252Cf(sf) was investigated using digital signal processing (DSP). A twin Frisch-grid ionization chamber (TGIC) was used for fission fragment (FF) spectroscopy and PFN was registered with help of fast neutron detector (FND) on liquid scintillator base. The DSP apparatus was build up around the 8-channel fast synchronously sampling waveform digitizers (WFD). It was found that the main limitation of the experimental method, developed in ref. [1] for investigation of the PFN properties in neutron induced fission reaction 235U(n,f), 239Pu(n,f) etc is related to the FF energy loses of in the target backing. A modification of the method was suggested to overcome such a limitation.

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Authors and Affiliations

  1. Moscow State Institute of Radio Engineering, Electronics, and Automation, Moscow, 119454, Russia

    O. V. Zeynalova

  2. Joint Institute for Nuclear Research, Dubna, 141980, Russia

    O. V. Zeynalova & Sh. S. Zeynalov

  3. EC-JRC Institute for Reference Materials and Measurements, B-2440, Geel, Belgium

    F. -J. Hambsch & S. Oberstedt

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

Correspondence to O. V. Zeynalova.

Additional information

Original Russian Text © O.V. Zeynalova, Sh.S. Zeynalov, F.-J. Hambsch, S. Oberstedt, 2011, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2011, Vol. 75, No. 11, pp. 1623–1628.

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Zeynalova, O.V., Zeynalov, S.S., Hambsch, F.J. et al. Twin position sensitive ionization chamber, utilizing backgammon and time projection method. Bull. Russ. Acad. Sci. Phys. 75, 1527–1532 (2011). https://doi.org/10.3103/S1062873811110281

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  • DOI: https://doi.org/10.3103/S1062873811110281

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