Pub Date : 2026-03-01Epub Date: 2026-03-04DOI: 10.1016/j.nds.2026.02.003
M. Gupta
The Nuclear Data Sheets for A=261 (1999Ar21) and A=265 (1999Ar21) and a part of (2000Fi12) have been revised using experimental decay and reaction data received by January 1, 2018.
{"title":"Nuclear Data Sheets for A=261, 265","authors":"M. Gupta","doi":"10.1016/j.nds.2026.02.003","DOIUrl":"10.1016/j.nds.2026.02.003","url":null,"abstract":"<div><div>The Nuclear Data Sheets for A=261 (1999Ar21) and A=265 (1999Ar21) and a part of (2000Fi12) have been revised using experimental decay and reaction data received by January 1, 2018.</div></div>","PeriodicalId":49735,"journal":{"name":"Nuclear Data Sheets","volume":"209 ","pages":"Pages 499-536"},"PeriodicalIF":2.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147359846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-03-01Epub Date: 2026-03-04DOI: 10.1016/j.nds.2026.02.002
C. Morse
Experimental data from reaction and decay studies on nuclei with A=216 have been reviewed. Elements included in this review span from mercury (Z=80) to uranium (Z=92). Based on the published data, level and decay schemes are presented for the evaluated nuclides. This work updates and supersedes the previous A=216 evaluation (2007Wu02).
{"title":"Nuclear Structure and Decay Data for A=216 Isobars","authors":"C. Morse","doi":"10.1016/j.nds.2026.02.002","DOIUrl":"10.1016/j.nds.2026.02.002","url":null,"abstract":"<div><div>Experimental data from reaction and decay studies on nuclei with A=216 have been reviewed. Elements included in this review span from mercury (Z=80) to uranium (Z=92). Based on the published data, level and decay schemes are presented for the evaluated nuclides. This work updates and supersedes the previous A=216 evaluation (2007Wu02).</div></div>","PeriodicalId":49735,"journal":{"name":"Nuclear Data Sheets","volume":"209 ","pages":"Pages 409-498"},"PeriodicalIF":2.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147359848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-03-01Epub Date: 2026-03-04DOI: 10.1016/S0090-3752(26)00022-0
{"title":"Nuclear Data Sheets Symbols and Abbreviations","authors":"","doi":"10.1016/S0090-3752(26)00022-0","DOIUrl":"10.1016/S0090-3752(26)00022-0","url":null,"abstract":"","PeriodicalId":49735,"journal":{"name":"Nuclear Data Sheets","volume":"209 ","pages":"Page IBC"},"PeriodicalIF":2.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147359847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-03-01Epub Date: 2026-03-04DOI: 10.1016/j.nds.2026.02.001
M. Shamsuzzoha Basunia
Experimental data pertaining to all nuclei with mass number A=169 (Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt) have been evaluated. Level schemes from both radioactive decay and reaction studies are presented, along with associated tables of experimental data and adopted properties for levels and γ rays. The present evaluation for A=169 supersedes the 2008 evaluation, 2008Ba31, by C.M. Baglin.
A few highlights of this evaluation:
More extensive work on ε decay from 169W is needed and new experimental work will be required to resolve a discrepancy between the Jπ values deduced for a 180-keV level in 169Ta based on extensive band structure from (HI,xnγ) work (Jπ=1/2−) and TDPAD measurements (J=5/2).
Low lying states of 169Os were studied via fine structure of 173Pt α decay in 2014ThZZ. The Eαs feeding the g.s. of 169Os in 2008Ba31 are separated well into two consistent groups to feed the g.s. and the newly proposed state at 34.84 keV. Based on the studies of 2014ThZZ and 2021Zh52, the g.s. spin-parity assignment of 169Os has been proposed to be (7/2−) from (5/2−).
The 169Ir g.s. half-life and alpha emission branching reported in 2012Th13 from 173Au α decay measurements are preferred over the values in 2005Sc22. The reported half-life value in 2005Sc22 for 169Ir g.s. is discrepant and the research work was carried out in the same lab of 2012Th13.
{"title":"Nuclear Structure and Decay Data for A=169 Isobars","authors":"M. Shamsuzzoha Basunia","doi":"10.1016/j.nds.2026.02.001","DOIUrl":"10.1016/j.nds.2026.02.001","url":null,"abstract":"<div><div>Experimental data pertaining to all nuclei with mass number A=169 (Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt) have been evaluated. Level schemes from both radioactive decay and reaction studies are presented, along with associated tables of experimental data and adopted properties for levels and <em>γ</em> rays. The present evaluation for A=169 supersedes the 2008 evaluation, 2008Ba31, by C.M. Baglin.</div><div>A few highlights of this evaluation:</div><div>More extensive work on <em>ε</em> decay from <sup>169</sup>W is needed and new experimental work will be required to resolve a discrepancy between the J<sup><em>π</em></sup> values deduced for a 180-keV level in <sup>169</sup>Ta based on extensive band structure from (HI,xn<em>γ</em>) work (J<sup><em>π</em></sup>=1/2<sup>−</sup>) and TDPAD measurements (J=5/2).</div><div>Low lying states of <sup>169</sup>Os were studied via fine structure of <sup>173</sup>Pt <em>α</em> decay in 2014ThZZ. The E<em>α</em>s feeding the g.s. of <sup>169</sup>Os in 2008Ba31 are separated well into two consistent groups to feed the g.s. and the newly proposed state at 34.84 keV. Based on the studies of 2014ThZZ and 2021Zh52, the g.s. spin-parity assignment of <sup>169</sup>Os has been proposed to be (7/2<sup>−</sup>) from (5/2<sup>−</sup>).</div><div>The <sup>169</sup>Ir g.s. half-life and alpha emission branching reported in 2012Th13 from <sup>173</sup>Au <em>α</em> decay measurements are preferred over the values in 2005Sc22. The reported half-life value in 2005Sc22 for <sup>169</sup>Ir g.s. is discrepant and the research work was carried out in the same lab of 2012Th13.</div></div>","PeriodicalId":49735,"journal":{"name":"Nuclear Data Sheets","volume":"209 ","pages":"Pages 1-408"},"PeriodicalIF":2.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147359849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-02-01Epub Date: 2026-02-05DOI: 10.1016/j.nds.2026.01.001
N. Nica
The experimental results published before January 2026 from the various reaction and decay studies leading to nuclides of Z=54 to Z=70, 148Xe, 148Cs, 148Ba, 148La, 148Ce, 148Pr, 148Nd, 148Pm, 148Sm, 148Eu, 148Gd, 148Tb, 148Dy, 148Ho, 148Er, 148Tm, 148Yb in the A=148 mass chain have been reviewed and the data are presented together with adopted level schemes and properties. This work supersedes the previous evaluation of the A=148 nuclides by published by N. Nica in Nuclear Data Sheets 117, 1 (2014).
{"title":"Nuclear Data Sheets for A=148","authors":"N. Nica","doi":"10.1016/j.nds.2026.01.001","DOIUrl":"10.1016/j.nds.2026.01.001","url":null,"abstract":"<div><div>The experimental results published before January 2026 from the various reaction and decay studies leading to nuclides of Z=54 to Z=70, <sup>148</sup>Xe, <sup>148</sup>Cs, <sup>148</sup>Ba, <sup>148</sup>La, <sup>148</sup>Ce, <sup>148</sup>Pr, <sup>148</sup>Nd, <sup>148</sup>Pm, <sup>148</sup>Sm, <sup>148</sup>Eu, <sup>148</sup>Gd, <sup>148</sup>Tb, <sup>148</sup>Dy, <sup>148</sup>Ho, <sup>148</sup>Er, <sup>148</sup>Tm, <sup>148</sup>Yb in the A=148 mass chain have been reviewed and the data are presented together with adopted level schemes and properties. This work supersedes the previous evaluation of the A=148 nuclides by published by N. Nica in Nuclear Data Sheets 117, 1 (2014).</div></div>","PeriodicalId":49735,"journal":{"name":"Nuclear Data Sheets","volume":"208 ","pages":"Pages 1-396"},"PeriodicalIF":2.7,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146116719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-02-01Epub Date: 2026-02-05DOI: 10.1016/j.nds.2026.01.002
F.G. Kondev , J.K. Tuli , E. Browne
Evaluated nuclear structure and decay data for all nuclei with mass number A=229 (229At, 229Rn, 229Fr, 229Ra, 229Ac, 229Th, 229Pa, 229U, 229Np, 229Pu, and 229Am) are presented. All available experimental data are compiled and evaluated, and best values for level and γ-ray energies, quantum numbers, lifetimes, γ-ray intensities and transition probabilities, as well as other nuclear properties, are recommended. Inconsistencies and discrepancies that exist in the literature are discussed. A number of computer codes (https://www-nds.iaea.org/public/ensdf_pgm/) developed by members of the NSDD network were used during the evaluation process. This work supersedes the earlier evaluation by E. Browne and J.K. Tuli (2008Br17), published in Nuclear Data Sheets 109, 2657 (2008).
{"title":"Recommended Nuclear Structure and Decay Data for A=229 Isobars","authors":"F.G. Kondev , J.K. Tuli , E. Browne","doi":"10.1016/j.nds.2026.01.002","DOIUrl":"10.1016/j.nds.2026.01.002","url":null,"abstract":"<div><div>Evaluated nuclear structure and decay data for all nuclei with mass number A=229 (<sup>229</sup>At, <sup>229</sup>Rn, <sup>229</sup>Fr, <sup>229</sup>Ra, <sup>229</sup>Ac, <sup>229</sup>Th, <sup>229</sup>Pa, <sup>229</sup>U, <sup>229</sup>Np, <sup>229</sup>Pu, and <sup>229</sup>Am) are presented. All available experimental data are compiled and evaluated, and best values for level and <em>γ</em>-ray energies, quantum numbers, lifetimes, <em>γ</em>-ray intensities and transition probabilities, as well as other nuclear properties, are recommended. Inconsistencies and discrepancies that exist in the literature are discussed. A number of computer codes (<span><span>https://www-nds.iaea.org/public/ensdf_pgm/</span><svg><path></path></svg></span>) developed by members of the NSDD network were used during the evaluation process. This work supersedes the earlier evaluation by E. Browne and J.K. Tuli (2008Br17), published in <em>Nuclear Data Sheets</em> 109, 2657 (2008).</div></div>","PeriodicalId":49735,"journal":{"name":"Nuclear Data Sheets","volume":"208 ","pages":"Pages 397-567"},"PeriodicalIF":2.7,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146116720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-02-01Epub Date: 2026-01-15DOI: 10.1016/j.nds.2025.12.002
S. Ota
Evaluated spectroscopic data and level schemes from radioactive decay and nuclear reaction studies are presented for all nuclei with mass number A=234. This evaluation for A=234 supersedes the earlier one by E. Browne and J.K. Tuli (2007Br04), published in Nuclear Data Sheets 108, 681 (2007).
给出了所有质量数为A=234的原子核的放射性衰变和核反应研究的评估光谱数据和能级方案。这个对A=234的评估取代了E. Browne和j . Tuli （2007Br04）早先发表在《核数据表》108,681（2007）上的评估。
{"title":"Nuclear Data Sheets for A=234","authors":"S. Ota","doi":"10.1016/j.nds.2025.12.002","DOIUrl":"10.1016/j.nds.2025.12.002","url":null,"abstract":"<div><div>Evaluated spectroscopic data and level schemes from radioactive decay and nuclear reaction studies are presented for all nuclei with mass number A=234. This evaluation for A=234 supersedes the earlier one by E. Browne and J.K. Tuli (2007Br04), published in Nuclear Data Sheets 108, 681 (2007).</div></div>","PeriodicalId":49735,"journal":{"name":"Nuclear Data Sheets","volume":"207 ","pages":"Pages 351-506"},"PeriodicalIF":2.7,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145963093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-02-01Epub Date: 2026-01-15DOI: 10.1016/S0090-3752(25)00093-6
{"title":"Nuclear Data Sheets Symbols and Abbreviations","authors":"","doi":"10.1016/S0090-3752(25)00093-6","DOIUrl":"10.1016/S0090-3752(25)00093-6","url":null,"abstract":"","PeriodicalId":49735,"journal":{"name":"Nuclear Data Sheets","volume":"207 ","pages":"Page IBC"},"PeriodicalIF":2.7,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145963094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-02-01Epub Date: 2026-02-05DOI: 10.1016/S0090-3752(26)00008-6
{"title":"Nuclear Data Sheets Symbols and Abbreviations","authors":"","doi":"10.1016/S0090-3752(26)00008-6","DOIUrl":"10.1016/S0090-3752(26)00008-6","url":null,"abstract":"","PeriodicalId":49735,"journal":{"name":"Nuclear Data Sheets","volume":"208 ","pages":"Page IBC"},"PeriodicalIF":2.7,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146116721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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