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Journal of Nuclear Energy (1954)最新文献

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Some remarks on the two-component neutrino theory of Lee and Yang 李氏和杨氏双组分中微子理论的几点评述
Journal of Nuclear Energy (1954) Pub Date : 1959-06-01 DOI: 10.1016/0891-3919(59)90176-1
A.A. Sokolov
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引用次数: 0
Dual cycle boiling water reactors 双循环沸水反应堆
Journal of Nuclear Energy (1954) Pub Date : 1959-06-01 DOI: 10.1016/0891-3919(59)90172-9
Yu.D. Arsenyev
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引用次数: 0
Neutron-capture gamma-ray spectra from even-even excited nuclei with rotational levels 具有旋转能级的均匀激发核的中子捕获伽马射线谱
Journal of Nuclear Energy (1954) Pub Date : 1959-06-01 DOI: 10.1016/0891-3919(59)90139-0
L.V. Groshev, A.M. Demidov, V.N. Lutsenko, V.I. Pelekhov
{"title":"Neutron-capture gamma-ray spectra from even-even excited nuclei with rotational levels","authors":"L.V. Groshev,&nbsp;A.M. Demidov,&nbsp;V.N. Lutsenko,&nbsp;V.I. Pelekhov","doi":"10.1016/0891-3919(59)90139-0","DOIUrl":"10.1016/0891-3919(59)90139-0","url":null,"abstract":"<div><p>Thermal-neutron capture γ-ray spectra from Gd, Er, Hf, Dy and Ta have been measured over the range 0·3–9 MeV by use of a magnetic Compton-electron spectrometer. With the first three of these elements, the excited nuclei are <sub>64</sub><sup>156</sup>Gd<sub>94</sub>, <sub>68</sub><sup>168</sup>Gd<sub>94</sub>, <sub>68</sub><sup>168</sup>Er<sub>100</sub> and <sub>72</sub><sup>178</sup>Hf<sub>106</sub>, which have rotational levels near the ground state; in their spectra a closely spaced group of intense lines is found near 1 MeV that is absent from the spectra of even-odd (e.g. <sub>66</sub><sup>165</sup>Dy<sub>99</sub>) and odd-odd (e.g. <sub>73</sub><sup>182</sup>Ta<sub>109</sub>) emitters. The properties of these lines are. related to those of the low-lying levels.</p></div>","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"9 1","pages":"Pages 50-68"},"PeriodicalIF":0.0,"publicationDate":"1959-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(59)90139-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89051563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Yield of rare-earth elements from the spallation of bismuth by 660 MeV proton 660mev质子裂解铋的稀土元素产率
Journal of Nuclear Energy (1954) Pub Date : 1959-06-01 DOI: 10.1016/0891-3919(59)90161-4
A.V. kaliamin, A.N. Murin, B.K. Preobrazhenskii, N.E. Titov
{"title":"Yield of rare-earth elements from the spallation of bismuth by 660 MeV proton","authors":"A.V. kaliamin,&nbsp;A.N. Murin,&nbsp;B.K. Preobrazhenskii,&nbsp;N.E. Titov","doi":"10.1016/0891-3919(59)90161-4","DOIUrl":"10.1016/0891-3919(59)90161-4","url":null,"abstract":"","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"9 1","pages":"Pages 165-167"},"PeriodicalIF":0.0,"publicationDate":"1959-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(59)90161-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79741090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Screening of fuel elements at neutron absorption resonances in a close-packed lattice 密排晶格中子吸收共振中燃料元件的筛选
Journal of Nuclear Energy (1954) Pub Date : 1959-06-01 DOI: 10.1016/0891-3919(59)90184-1
V.V. Orlov
{"title":"Screening of fuel elements at neutron absorption resonances in a close-packed lattice","authors":"V.V. Orlov","doi":"10.1016/0891-3919(59)90184-1","DOIUrl":"10.1016/0891-3919(59)90184-1","url":null,"abstract":"<div><p>The degree of mutual screening by resonance absorbing slugs or layers of fuel is calculated for the case where the thickness of moderator between adjacent elements is comparable with or less than the neutron mean free path in the moderating material. It is assumed that the fuel elements are small and that the absorption cross-section follows the Breit-Wigner law. Computations are made for a system of parallel plates; they provide a check on the accuracy of Petrov's earlier formulae, and lead to an expression for the screening coefficient of a nearly homogeneous system. The normally justifiable approximation of replacing the true cell in a lattice of cylindrical elements by a supposedly equivalent cell of circular section is shown to introduce substantial errors in problems of this type. An explicit formula is derived for the resonance self-absorption in elements of annular cross-section.</p></div>","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"9 1","pages":"Pages 281-292"},"PeriodicalIF":0.0,"publicationDate":"1959-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(59)90184-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87373531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The average beta energy and the decay constant of tritium 氚的平均能量和衰变常数
Journal of Nuclear Energy (1954) Pub Date : 1959-06-01 DOI: 10.1016/0891-3919(59)90169-X
M.M. Porov, Iu.V. Gagarinsicu, M.D. Senin, I.P. Mixhalenxo, Iu.M. Morozov
{"title":"The average beta energy and the decay constant of tritium","authors":"M.M. Porov,&nbsp;Iu.V. Gagarinsicu,&nbsp;M.D. Senin,&nbsp;I.P. Mixhalenxo,&nbsp;Iu.M. Morozov","doi":"10.1016/0891-3919(59)90169-X","DOIUrl":"10.1016/0891-3919(59)90169-X","url":null,"abstract":"","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"9 1","pages":"Pages 190-193"},"PeriodicalIF":0.0,"publicationDate":"1959-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(59)90169-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91332481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An investigation of structural changes caused by neutron irradiation of a uranium molybdenum alloy 中子辐照引起铀钼合金结构变化的研究
Journal of Nuclear Energy (1954) Pub Date : 1959-06-01 DOI: 10.1016/0891-3919(59)90141-1
S.T. Konobeevskii, N.F. Pravdyuk, K.P. Dubrovin, B.M. Levitskii, L.D. Panteleev, V.M. Golianov
{"title":"An investigation of structural changes caused by neutron irradiation of a uranium molybdenum alloy","authors":"S.T. Konobeevskii,&nbsp;N.F. Pravdyuk,&nbsp;K.P. Dubrovin,&nbsp;B.M. Levitskii,&nbsp;L.D. Panteleev,&nbsp;V.M. Golianov","doi":"10.1016/0891-3919(59)90141-1","DOIUrl":"10.1016/0891-3919(59)90141-1","url":null,"abstract":"<div><p>Specimens of an alloy containing 9 wt per cent of molybdenum were irradiated. The electrical resistance was measured and the structure examined by X-ray diffraction and metallographic techniques. The specimens were prepared by suitable heat treatment to have eutectoid α + γ′ structures with various degrees of dispersion. It was established that the rate of homogenization of these two-phase structures during irradiation was inversely proportional to the square of the thickness of the laminae in the eutectoid. In the homogeneous γ-phase changes in structure and properties under irradiation are essentially complete in 2–4 hr. The ordered γ′-phase was found to be disordered after a few hours of exposure to neutrons.</p><p>All these phenomena can be adequately explained on the basis of the theory already published.<sup>(2)</sup> However the size of the thermal spike and the energy dissipated were found to be smaller than determined previously and were 2·5 × 10<sup>−17</sup> cm<sup>3</sup> and 2 MeV respectively.</p></div>","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"9 1","pages":"Pages 75-89"},"PeriodicalIF":0.0,"publicationDate":"1959-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(59)90141-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89422803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
The interaction of 9 BeV protons with emulsion nuclei 9个BeV质子与乳状核的相互作用
Journal of Nuclear Energy (1954) Pub Date : 1959-06-01 DOI: 10.1016/0891-3919(59)90164-9
N.P. Bogachev, Van Shufen, I.M. Gramenitskii, L.F. Kirillova, R.M. Lebedev, V.B. Lubimov, P.K. Markov, Iu.P. Merekov, M.I. Podgoretskii, V.M. Sidorov, K.D. Tolstov, M.G. Shafranova
{"title":"The interaction of 9 BeV protons with emulsion nuclei","authors":"N.P. Bogachev,&nbsp;Van Shufen,&nbsp;I.M. Gramenitskii,&nbsp;L.F. Kirillova,&nbsp;R.M. Lebedev,&nbsp;V.B. Lubimov,&nbsp;P.K. Markov,&nbsp;Iu.P. Merekov,&nbsp;M.I. Podgoretskii,&nbsp;V.M. Sidorov,&nbsp;K.D. Tolstov,&nbsp;M.G. Shafranova","doi":"10.1016/0891-3919(59)90164-9","DOIUrl":"10.1016/0891-3919(59)90164-9","url":null,"abstract":"","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"9 1","pages":"Pages 178-182"},"PeriodicalIF":0.0,"publicationDate":"1959-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(59)90164-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76074045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Yields of some heavy fragments in the fission Of 233U 233U裂变中一些重碎片的产率
Journal of Nuclear Energy (1954) Pub Date : 1959-06-01 DOI: 10.1016/0891-3919(59)90138-2
R.N. Ivanov, V.K. Gorshkov, M.P. Anikina, G.M. Kukavadze, B.V. Ershler
{"title":"Yields of some heavy fragments in the fission Of 233U","authors":"R.N. Ivanov,&nbsp;V.K. Gorshkov,&nbsp;M.P. Anikina,&nbsp;G.M. Kukavadze,&nbsp;B.V. Ershler","doi":"10.1016/0891-3919(59)90138-2","DOIUrl":"10.1016/0891-3919(59)90138-2","url":null,"abstract":"","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"9 1","pages":"Pages 46-49"},"PeriodicalIF":0.0,"publicationDate":"1959-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(59)90138-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88046294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Average number of prompt neutrons from the fission of 233U, 235U and 239Pu by 4 and 15 MeV neutrons 233U、235U和239Pu被4 MeV和15 MeV中子裂变产生的平均提示中子数
Journal of Nuclear Energy (1954) Pub Date : 1959-06-01 DOI: 10.1016/0891-3919(59)90156-9
G.N. Smirenkin, I.I. Bondarenko, L.S. Kutsaeva, Kh.D. Mishchenko, L.I. Prokhorova, B.P. Shemetenko
{"title":"Average number of prompt neutrons from the fission of 233U, 235U and 239Pu by 4 and 15 MeV neutrons","authors":"G.N. Smirenkin,&nbsp;I.I. Bondarenko,&nbsp;L.S. Kutsaeva,&nbsp;Kh.D. Mishchenko,&nbsp;L.I. Prokhorova,&nbsp;B.P. Shemetenko","doi":"10.1016/0891-3919(59)90156-9","DOIUrl":"10.1016/0891-3919(59)90156-9","url":null,"abstract":"","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"9 1","pages":"Pages 155-157"},"PeriodicalIF":0.0,"publicationDate":"1959-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(59)90156-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89099933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
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