Pulsed nuclear reactors in neutron physics

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Abstract

The pulsed nuclear reactors created at the Joint Institute for Nuclear Research (JINR), with the active participation of I M Frank, is continuously forming a whole series of scientific lines of research in neutron physics. The time-of-flight method in neutron physics consists in neutrons being registered at a given distance L from the source and their time of flight t measured for this distance. Knowledge of L and t permits determining the neutron velocity v and, consequently, its energy. To realize the method, a blinking source is required in order to fix the instant of time when the neutron escapes. In 1965, a microtron was installed as the injector for the IBR reactor; it was constructed at the Institute for Physical Problems (IPP) of the USSR AS. Creation of the pulsed booster-multiplier IBR-30 became the basis for an essential development of neutron nuclear spectroscopy, which at all stages of advancement of neutron physics served as the principal supplier of experimental data.

Original languageEnglish
Pages (from-to)406-413
Number of pages8
JournalPhysics-Uspekhi
Volume52
Issue number4
DOIs
Publication statusPublished - Aug 18 2009

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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