Experiment to find the neutron clusters in the decay of 238U nuclei / V. M. Bystritsky [et al.]

Уровень набора: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment = 1984-Альтернативный автор-лицо: Bystritsky, V. M., Vyacheslav Mikhaylovich;Dudkin, G. N., specialist in the field of nuclear physics, Senior researcher of Tomsk Polytechnic University, Candidate of physical and mathematical sciences, 1944-, Gennadiy Nikolaevich;Kuznetsov, S. I., physicist, associate professor of Tomsk polytechnic university, candidate of technical sciences (PhD), 1952-, Sergey Ivanovich;Varlachev, V. A., physicist, specialist in the field of nuclear physics, Head of the laboratory of Tomsk Polytechnic University, Candidate of technical sciences, 1948-, Valery Aleksandrovich;Padalko, V. N., physicist, Leading engineer of Tomsk Polytechnic University, 1949-, Vladimir NikolaevichКоллективный автор (вторичный): Национальный исследовательский Томский политехнический университет (ТПУ), Физико-технический институт (ФТИ), Лаборатория № 33 ядерного реактораЯзык: английский.Резюме или реферат: The first experiment was carried out, the task of which is the direct detection of neutron nuclei (number of bound neutrons ≥6) with a multineutron detector. The experimental results indicate that in the cluster decay of 238U there is a hexaneutrons and (or) octaneutrons. Multineutron detector made of 20 3He counters located in the moderator of polyethylene. The samples (emitters) from uranium trioxide (UO3) were the sources of neutron nuclei. The duration of the experiment was 112.66 days. For the probability of hexaneutrons and (or) octaneutrons emission of nuclei 238U with respect to the probability of α-decay mode are determined. The upper limits on the 90% confidence level are the following: λ(6n)/λα≤9.3×10−9and (or) λ(8n)/λα≤3.6×10−10..Примечания о наличии в документе библиографии/указателя: [References: p. 168 (26 tit.)].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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[References: p. 168 (26 tit.)]

The first experiment was carried out, the task of which is the direct detection of neutron nuclei (number of bound neutrons ≥6) with a multineutron detector. The experimental results indicate that in the cluster decay of 238U there is a hexaneutrons and (or) octaneutrons. Multineutron detector made of 20 3He counters located in the moderator of polyethylene. The samples (emitters) from uranium trioxide (UO3) were the sources of neutron nuclei. The duration of the experiment was 112.66 days. For the probability of hexaneutrons and (or) octaneutrons emission of nuclei 238U with respect to the probability of α-decay mode are determined. The upper limits on the 90% confidence level are the following: λ(6n)/λα≤9.3×10−9and (or) λ(8n)/λα≤3.6×10−10.

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