Nuclear Data Sheets. Section A最新文献

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Two-proton and two-neutron binding-energy systematics and alpha-decay energies 双质子和双中子结合能系统和α衰变能
Nuclear Data Sheets. Section A Pub Date : 1965-12-01 DOI: 10.1016/S0550-306X(65)80003-9
A.H. Wapstra
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引用次数: 8
Correlation of fission fragment kinetic energy data 裂变碎片动能数据的关联
Nuclear Data Sheets. Section A Pub Date : 1965-12-01 DOI: 10.1016/S0550-306X(65)80007-6
V.E. Viola Jr.
{"title":"Correlation of fission fragment kinetic energy data","authors":"V.E. Viola Jr.","doi":"10.1016/S0550-306X(65)80007-6","DOIUrl":"10.1016/S0550-306X(65)80007-6","url":null,"abstract":"<div><p>Recent measurements of the most probable kinetic energy release in fission are compared in order to study the dependence on nuclear species. Appropriate corrections to data obtained with semi-conductor detectors, particularly with regard to calibration procedures, are discussed and applied. Corrected results are listed in Table I and plotted in Fig. 1. It is found that the most probable kinetic energy release in fission can be simply expressed by the function. <span><span><span><math><mrow><mo>&lt;</mo><msub><mi>E</mi><mo>k</mo></msub><mo>&gt;</mo><mo>=</mo><mn>0.1071</mn><msup><mo>Z</mo><mstyle><mn>2</mn></mstyle></msup><mo>/</mo><msup><mi>A</mi><mrow><mstyle><mn>1</mn></mstyle><mo>/</mo><mstyle><mn>3</mn></mstyle></mrow></msup><mo>+</mo><mn>22.2</mn><mo>MeV</mo><mo>.</mo></mrow></math></span></span></span></p><p>The corrected &lt;<em>E</em><sub>k</sub>&gt; values are compared with recent liquid drop calculations and good agreement is found for <em>Z</em><sup>2</sup>/<em>A</em> less than 35, but not above this value. Effects of mass asymmetry are also briefly discussed. Analysis of the data indicates that the most probable kinetic energy release is essentially independent of excitation energy. Use was made only of results published since 1961. Prior data can be found in the review of <span>Huizenga and Vandenbosch</span>.</p></div>","PeriodicalId":100967,"journal":{"name":"Nuclear Data Sheets. Section A","volume":"1 ","pages":"Pages 391-397, 399-410"},"PeriodicalIF":0.0,"publicationDate":"1965-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0550-306X(65)80007-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81848255","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: 63
Nuclear transition probability, B(E2), for 0g.s.+ – 2first+ transitions and deformation parameter, β2 0gs时的核跃迁概率B(E2)。+ - 2first+过渡和变形参数,β2
Nuclear Data Sheets. Section A Pub Date : 1965-12-01 DOI: 10.1016/S0550-306X(65)80004-0
P.H. Stelson, L. Grodzins
{"title":"Nuclear transition probability, B(E2), for 0g.s.+ – 2first+ transitions and deformation parameter, β2","authors":"P.H. Stelson,&nbsp;L. Grodzins","doi":"10.1016/S0550-306X(65)80004-0","DOIUrl":"10.1016/S0550-306X(65)80004-0","url":null,"abstract":"<div><p>Adopted values for the reduced electromagnetic transition probability, <em>B</em>(<em>E2</em>)<sub>ex</sub>, from the ground to the first-excited 2<sup>+</sup>-state of even-even nuclei are given in Table I. Values of <em>β</em><sub>2</sub>, the quadrupole deformation parameter, and of T, the mean life of the 2<sup>+</sup> state, are also listed there.</p><p>Table II presents the data on which Table I is based, namely the experimental results for <em>B</em>(<em>E2</em>)<sub>ex</sub> values with quoted errors. The literature has been covered to January 1965.</p><p>The ratio of the value of β<sub>2</sub> to values expected from the single-particle model is presented graphically as a function of neutron number. As an indication of the extent of collective features in nuclear structure, this ratio seems a better measure than the value of <em>β</em><sub>2</sub> itself.</p></div>","PeriodicalId":100967,"journal":{"name":"Nuclear Data Sheets. Section A","volume":"1 ","pages":"Pages 21-102"},"PeriodicalIF":0.0,"publicationDate":"1965-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0550-306X(65)80004-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86350706","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: 393
Experimental values of internal-conversion coefficients of nuclear transitions: total and K-shell coefficients and L-subshell coefficient ratios 核跃迁内转换系数实验值:总壳层系数、k壳层系数和l-亚壳层系数比值
Nuclear Data Sheets. Section A Pub Date : 1965-12-01 DOI: 10.1016/S0550-306X(65)80014-3
J.H. Hamilton, A.V. Ramayya, B. van Nooijen , R.G. Albridge, E.F. Zganjar , S.C. Pancholi , J.M. Hollander, V.S. Shirley, C.M. Lederer
{"title":"Experimental values of internal-conversion coefficients of nuclear transitions: total and K-shell coefficients and L-subshell coefficient ratios","authors":"J.H. Hamilton,&nbsp;A.V. Ramayya,&nbsp;B. van Nooijen ,&nbsp;R.G. Albridge,&nbsp;E.F. Zganjar ,&nbsp;S.C. Pancholi ,&nbsp;J.M. Hollander,&nbsp;V.S. Shirley,&nbsp;C.M. Lederer","doi":"10.1016/S0550-306X(65)80014-3","DOIUrl":"10.1016/S0550-306X(65)80014-3","url":null,"abstract":"<div><p>A tabulation is presented of experimentally measured values of internal-conversion coefficients for the <em>K</em>-shell, <em>α</em><sub><em>K</em></sub>, <em>L</em>-subshells (mostly ratios only, <em>L</em><sub>1</sub>:<em>L</em><sub>2</sub>:<em>L</em><sub>3</sub>), and for all shells, <em>α</em><sub>total</sub>. Results reported prior to November 1965, whose uncertainties are ≦ 25%, are listed and compared with theoretical values. Transition energies and spins an parities of initial and final levels, when known, are included. The theoretical values were obtained from computer interpolation, and in some cases extrapolation, of the tables of Sliv and Band. A brief discussion of the methods of measuring conversion coefficients is given.</p></div>","PeriodicalId":100967,"journal":{"name":"Nuclear Data Sheets. Section A","volume":"1 ","pages":"Pages 521-602"},"PeriodicalIF":0.0,"publicationDate":"1965-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0550-306X(65)80014-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73551115","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: 16
Nucler cross sections for charged-particle-induced reactions Li, Be, B 带电粒子诱导反应的核截面
Nuclear Data Sheets. Section A Pub Date : 1965-12-01 DOI: 10.1016/S0550-306X(65)80006-4
H.J. Kim, W.T. Milner, F.K. McGowan
{"title":"Nucler cross sections for charged-particle-induced reactions Li, Be, B","authors":"H.J. Kim,&nbsp;W.T. Milner,&nbsp;F.K. McGowan","doi":"10.1016/S0550-306X(65)80006-4","DOIUrl":"10.1016/S0550-306X(65)80006-4","url":null,"abstract":"<div><p>Nuclear cross sections for charged-particle-induced reactions of isotopes of Li, Be, and B are presented in tabular and graphical form. This compilation includes experimental cross-section data available in the literature before January 1, 1964, for nuclear reactions of the type A(<em>a,b</em>)B at all energies, where M<sub><em>a</em></sub> ≧ one nucleon mass. Nuclear reactions involving mesons in the exit channel are not included. This collection supplements a previous compilation, Los Alamos Scientific Laboratory Report LA-2014 (see following page for bibliographic information). A large amount of the cross-section data is not presented either in tabular or graphical form in order to limit the size of the present compilation to a manageable one. A number of annotated bibliographies are included in the appendixes to provide a brief summary of these data.</p></div>","PeriodicalId":100967,"journal":{"name":"Nuclear Data Sheets. Section A","volume":"1 ","pages":"Pages 203-207, 209-389"},"PeriodicalIF":0.0,"publicationDate":"1965-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0550-306X(65)80006-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81543266","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: 11
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