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Investigation of breakup process in 9Be(α,n)12C reaction 9Be(α,n)12C 反应破裂过程研究
IF 1.4 4区 物理与天体物理
Nuclear Physics A Pub Date : 2024-05-07 DOI: 10.1016/j.nuclphysa.2024.122890
Ritika Datta , K. Banerjee , Sujoy Chatterjee , Rajkumar Santra , R. Shil , S. Manna , Pratap Roy , T.K. Rana , G. Mukherjee , T.K. Ghosh , A.S. Roy , A. Sen , S. Kundu , Anirudhha Dey , P. Karmakar , D. Pandit , A.K. Bakshi , B.K. Sapra , C. Bhattacharyya
{"title":"Investigation of breakup process in 9Be(α,n)12C reaction","authors":"Ritika Datta ,&nbsp;K. Banerjee ,&nbsp;Sujoy Chatterjee ,&nbsp;Rajkumar Santra ,&nbsp;R. Shil ,&nbsp;S. Manna ,&nbsp;Pratap Roy ,&nbsp;T.K. Rana ,&nbsp;G. Mukherjee ,&nbsp;T.K. Ghosh ,&nbsp;A.S. Roy ,&nbsp;A. Sen ,&nbsp;S. Kundu ,&nbsp;Anirudhha Dey ,&nbsp;P. Karmakar ,&nbsp;D. Pandit ,&nbsp;A.K. Bakshi ,&nbsp;B.K. Sapra ,&nbsp;C. Bhattacharyya","doi":"10.1016/j.nuclphysa.2024.122890","DOIUrl":"https://doi.org/10.1016/j.nuclphysa.2024.122890","url":null,"abstract":"<div><p>Neutron energies and angular distributions were measured in <sup>9</sup>Be(<em>α</em>,n)<sup>12</sup>C reaction for <em>α</em> energies of 5.5 and 6.5 MeV. Three major neutron groups were observed in the spectrum, which correspond to the ground and first two excited states of <sup>12</sup>C. Measured data could only be explained by the TALYS calculation if reaction at more than one location within the target is considered for a given beam energy. The preferred locations are driven by the resonance energy levels existing in <sup>13</sup>C. Neutron yield due to the <sup>9</sup>Be breakup process was determined which is found to be 12.6 ± 0.2% and 18.4 ± 0.5% of the total reaction cross-section for 5.5 and 6.5 MeV respectively.</p></div>","PeriodicalId":19246,"journal":{"name":"Nuclear Physics A","volume":"1048 ","pages":"Article 122890"},"PeriodicalIF":1.4,"publicationDate":"2024-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140950615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
A systematic study of the ground state properties of gold nuclei near the neutron drip line using HFB formalism 利用 HFB 形式对中子滴落线附近金核基态性质的系统研究
IF 1.4 4区 物理与天体物理
Nuclear Physics A Pub Date : 2024-05-03 DOI: 10.1016/j.nuclphysa.2024.122889
Anjana A V, Nicemon Thomas, Antony Joseph
{"title":"A systematic study of the ground state properties of gold nuclei near the neutron drip line using HFB formalism","authors":"Anjana A V,&nbsp;Nicemon Thomas,&nbsp;Antony Joseph","doi":"10.1016/j.nuclphysa.2024.122889","DOIUrl":"https://doi.org/10.1016/j.nuclphysa.2024.122889","url":null,"abstract":"<div><p>In this theoretical work, the ground state properties like binding energy per nucleon, two-neutron separation energy, two-neutron shell gap, neutron-pairing gap, neutron rms radii, proton rms radii, charge radii, neutron skin thickness and nucleon density distributions of odd-even and odd-odd gold isotopes (<span><math><mmultiscripts><mrow><mi>A</mi></mrow><mprescripts></mprescripts><none></none><mrow><mn>165</mn><mo>−</mo><mn>265</mn></mrow></mmultiscripts><mi>u</mi></math></span>) were systematically studied. Computations were performed for a wide mass range of gold nuclei, spanned from the proton-rich side to the neutron-rich side, following the Hartree-Fock-Bogoliubov theory. Based on this approach, the nuclear structure of gold isotopes lying up to the exotic neutron rich region where the experimental data are not available, was also investigated. Calculations, taking into account the UNEDF0 Skyrme effective interaction, reproduce the available experimental data and results of other nuclear model based estimations, such as the Relativistic-Continuum-Hartree-Bogoliubov theory and the Finite Range Droplet Models, reasonably well.</p></div>","PeriodicalId":19246,"journal":{"name":"Nuclear Physics A","volume":"1047 ","pages":"Article 122889"},"PeriodicalIF":1.4,"publicationDate":"2024-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140879067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
Probing deformed nuclei: Experimental insights into excited states of 152,153,154Gd isotopes through fusion-evaporation reactions 探测变形核:通过聚变-蒸发反应对 152、153、154钆同位素激发态的实验启示
IF 1.4 4区 物理与天体物理
Nuclear Physics A Pub Date : 2024-05-03 DOI: 10.1016/j.nuclphysa.2024.122888
S. Pelonis , T.J. Mertzimekis , A. Chalil , P. Vasileiou , A. Zyriliou , G. Zagoraios , D. Papaioannou , F.C.L. Crespi , A. Bracco , N. Florea , N. Marginean , L. Stan , A. Turturica
{"title":"Probing deformed nuclei: Experimental insights into excited states of 152,153,154Gd isotopes through fusion-evaporation reactions","authors":"S. Pelonis ,&nbsp;T.J. Mertzimekis ,&nbsp;A. Chalil ,&nbsp;P. Vasileiou ,&nbsp;A. Zyriliou ,&nbsp;G. Zagoraios ,&nbsp;D. Papaioannou ,&nbsp;F.C.L. Crespi ,&nbsp;A. Bracco ,&nbsp;N. Florea ,&nbsp;N. Marginean ,&nbsp;L. Stan ,&nbsp;A. Turturica","doi":"10.1016/j.nuclphysa.2024.122888","DOIUrl":"https://doi.org/10.1016/j.nuclphysa.2024.122888","url":null,"abstract":"<div><p>The rare-earth region has been the focus of various studies aiming at the understanding of nuclear structure and providing information on the details of the reaction mechanism. The Gd isotopes belong to this group of nuclei and despite the available spectroscopic information, several open questions about their structure still exist, such as the inter-band transitions related to shape evolution or branching-ratios in deformed states. In addition, production cross sections of different reactions to Gd isotopes are largely unknown.</p><p>In this work, we report on an experimental attempt to populate the excited states in the isotopes <sup>152,153,154</sup>Gd by employing the heavy-ion fusion reaction <sup>18</sup>O+<sup>138</sup>Ba → <sup>156-x</sup>Gd + <em>xn</em> in the 58-64 MeV energy range (center-of-mass). The experiment was conducted at the 9 MV FV Pelletron Tandem at the Horia Hulubei National Institute for Physics and Nuclear Engineering, employing the ROSPHERE array. Several branching-ratios for energy levels in <sup>152,153</sup>Gd have been measured, offering new and updated values. Furthermore, relative cross sections regarding the fusion-evaporation reactions <sup>138</sup>Ba(<sup>18</sup>O, 4n)<sup>152</sup>Gd, <sup>138</sup>Ba(<sup>18</sup>O, 3n)<sup>153</sup>Gd, and <sup>138</sup>Ba(<sup>18</sup>O, 2n)<sup>154</sup>Gd have been measured and compared with theoretical calculations with PACE4.</p></div>","PeriodicalId":19246,"journal":{"name":"Nuclear Physics A","volume":"1047 ","pages":"Article 122888"},"PeriodicalIF":1.4,"publicationDate":"2024-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140843728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
Kink of the nuclear charge radius isotope shift and overlaps of the neutron and proton orbitals in lead 铅的核电荷半径同位素移动和中子与质子轨道重叠的扭结
IF 1.4 4区 物理与天体物理
Nuclear Physics A Pub Date : 2024-04-25 DOI: 10.1016/j.nuclphysa.2024.122883
S. Marcos , R. Niembro , M. López-Quelle
{"title":"Kink of the nuclear charge radius isotope shift and overlaps of the neutron and proton orbitals in lead","authors":"S. Marcos ,&nbsp;R. Niembro ,&nbsp;M. López-Quelle","doi":"10.1016/j.nuclphysa.2024.122883","DOIUrl":"10.1016/j.nuclphysa.2024.122883","url":null,"abstract":"<div><p>Within the relativistic mean field approximation, we analyse the kink effect (KE) in the evolution of the charge radius isotope shift of lead isotopes as a function of the neutron number <em>N</em>. We show that if the interactions between neutron and proton states responsible for the KE are assumed to be proportional either to the overlaps of their corresponding wave functions or to those of their corresponding probability density distributions, it is not possible, by themselves, to explain the KE. However, we find that the small component of the single-particle Dirac spinors plays a relevant role in the kink formation. By considering the contribution of the <span><math><mi>N</mi><mo>−</mo><mn>126</mn></math></span> valence neutrons to the proton central potential, we can explain the generation of the KE and why neutrons in the <span><math><mn>1</mn><msub><mrow><mi>i</mi></mrow><mrow><mn>11</mn><mo>/</mo><mn>2</mn></mrow></msub></math></span> orbital are more kinky than when they are in the <span><math><mn>2</mn><msub><mrow><mi>g</mi></mrow><mrow><mn>9</mn><mo>/</mo><mn>2</mn></mrow></msub></math></span> orbital.</p></div>","PeriodicalId":19246,"journal":{"name":"Nuclear Physics A","volume":"1047 ","pages":"Article 122883"},"PeriodicalIF":1.4,"publicationDate":"2024-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0375947424000654/pdfft?md5=a9e3d1e47d585bee2dbcc0239acee452&pid=1-s2.0-S0375947424000654-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140774121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Probing the structure of X(3872) in photoproduction 探测光生成中的 X(3872) 结构
IF 1.4 4区 物理与天体物理
Nuclear Physics A Pub Date : 2024-04-22 DOI: 10.1016/j.nuclphysa.2024.122876
E.Ya. Paryev
{"title":"Probing the structure of X(3872) in photoproduction","authors":"E.Ya. Paryev","doi":"10.1016/j.nuclphysa.2024.122876","DOIUrl":"https://doi.org/10.1016/j.nuclphysa.2024.122876","url":null,"abstract":"<div><p>We study the production of <span><math><mi>X</mi><mo>(</mo><mn>3872</mn><mo>)</mo></math></span> mesons in photon-induced nuclear reactions near the threshold within the collision model based on the nuclear spectral function. The model accounts for direct photon-nucleon <span><math><mi>X</mi><mo>(</mo><mn>3872</mn><mo>)</mo></math></span> production processes as well as five different scenarios for their internal structure. We calculate the absolute and relative excitation functions for <span><math><mi>X</mi><mo>(</mo><mn>3872</mn><mo>)</mo></math></span> production off <sup>12</sup>C and <sup>184</sup>W target nuclei at near-threshold incident photon energies of 8–16 GeV, the absolute differential cross sections for their production off these target nuclei at laboratory angles of 0<sup>∘</sup>–10<sup>∘</sup> and for incident photon energy of 13 GeV as well as the A dependences of the relative (transparency ratios) cross sections for <span><math><mi>X</mi><mo>(</mo><mn>3872</mn><mo>)</mo></math></span> production from <em>γA</em> collisions at photon energies around 13 GeV within the adopted scenarios for the <span><math><mi>X</mi><mo>(</mo><mn>3872</mn><mo>)</mo></math></span> meson internal structure. We show that the absolute and relative observables considered reveal distinct sensitivity to these scenarios. Therefore, the measurement of such observables in a dedicated experiment at the CEBAF facility in the near-threshold energy range will allow us to get valuable information on the <span><math><mi>X</mi><mo>(</mo><mn>3872</mn><mo>)</mo></math></span> inner structure.</p></div>","PeriodicalId":19246,"journal":{"name":"Nuclear Physics A","volume":"1047 ","pages":"Article 122876"},"PeriodicalIF":1.4,"publicationDate":"2024-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140645412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
The study on the multiplicity dependence of ridge behavior in pp collisions at s=13 TeV at the LHC 关于大型强子对撞机上 s=13 TeV pp 对撞中脊行为的倍率依赖性的研究
IF 1.4 4区 物理与天体物理
Nuclear Physics A Pub Date : 2024-04-18 DOI: 10.1016/j.nuclphysa.2024.122875
Jeongseok Yoon, Jin-Hee Yoon
{"title":"The study on the multiplicity dependence of ridge behavior in pp collisions at s=13 TeV at the LHC","authors":"Jeongseok Yoon,&nbsp;Jin-Hee Yoon","doi":"10.1016/j.nuclphysa.2024.122875","DOIUrl":"https://doi.org/10.1016/j.nuclphysa.2024.122875","url":null,"abstract":"<div><p>The long-range near-side ridge phenomenon in two-particle correlation is one of the key issues in studying the strong interaction. In particular, the hydrodynamic flow effect of the quark-gluon plasma (QGP) has explained it well for heavy-ion collisions, but is limited in its ability to explain the phenomenon in small systems. The Momentum Kick Model (MKM), on the other hand, suggests a fundamental explanation of the phenomenon through the kinematic process; the high-momentum jet particles collide with medium partons, transfer their momentum to them (called the “kick” process), and induce collective motion of the kicked-partons resulting in the ridge phenomenon. This MKM has successfully described the ridge structure in heavy-ion collisions at the RHIC. Furthermore, since the ridge phenomenon in small systems is prominent in high-multiplicity events, the MKM with multiplicity dependence (MKMwM) has been studied in <em>pp</em> collisions at the LHC using a relationship between the number of kicked-partons and the multiplicity through the impact parameter. In this research, we extend the previous study with more recent experimental data-driven parameters and apply them to the new measurements that have a wider multiplicity range with <span><math><msub><mrow><mi>p</mi></mrow><mrow><mi>T</mi></mrow></msub></math></span> and ΔΦ bins at the LHC. We also predict the ridge structure at the energies scheduled by the LHC in the upcoming Run 3 experiments.</p></div>","PeriodicalId":19246,"journal":{"name":"Nuclear Physics A","volume":"1047 ","pages":"Article 122875"},"PeriodicalIF":1.4,"publicationDate":"2024-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140633337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
The present and future of QCD QCD 的现状与未来
IF 1.4 4区 物理与天体物理
Nuclear Physics A Pub Date : 2024-04-15 DOI: 10.1016/j.nuclphysa.2024.122874
P. Achenbach , D. Adhikari , A. Afanasev , F. Afzal , C.A. Aidala , A. Al-bataineh , D.K. Almaalol , M. Amaryan , D. Androić , W.R. Armstrong , M. Arratia , J. Arrington , A. Asaturyan , E.C. Aschenauer , H. Atac , H. Avakian , T. Averett , C. Ayerbe Gayoso , X. Bai , K.N. Barish , M. Zurek
{"title":"The present and future of QCD","authors":"P. Achenbach ,&nbsp;D. Adhikari ,&nbsp;A. Afanasev ,&nbsp;F. Afzal ,&nbsp;C.A. Aidala ,&nbsp;A. Al-bataineh ,&nbsp;D.K. Almaalol ,&nbsp;M. Amaryan ,&nbsp;D. Androić ,&nbsp;W.R. Armstrong ,&nbsp;M. Arratia ,&nbsp;J. Arrington ,&nbsp;A. Asaturyan ,&nbsp;E.C. Aschenauer ,&nbsp;H. Atac ,&nbsp;H. Avakian ,&nbsp;T. Averett ,&nbsp;C. Ayerbe Gayoso ,&nbsp;X. Bai ,&nbsp;K.N. Barish ,&nbsp;M. Zurek","doi":"10.1016/j.nuclphysa.2024.122874","DOIUrl":"https://doi.org/10.1016/j.nuclphysa.2024.122874","url":null,"abstract":"<div><p>This White Paper presents an overview of the current status and future perspective of QCD research, based on the community inputs and scientific conclusions from the 2022 Hot and Cold QCD Town Meeting. We present the progress made in the last decade toward a deep understanding of both the fundamental structure of the sub-atomic matter of nucleon and nucleus in cold QCD, and the hot QCD matter in heavy ion collisions. We identify key questions of QCD research and plausible paths to obtaining answers to those questions in the near future, hence defining priorities of our research over the coming decades.</p></div>","PeriodicalId":19246,"journal":{"name":"Nuclear Physics A","volume":"1047 ","pages":"Article 122874"},"PeriodicalIF":1.4,"publicationDate":"2024-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0375947424000563/pdfft?md5=553f19056fd88fd89ec4c070330403b6&pid=1-s2.0-S0375947424000563-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140633341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
QCD parameters and SM-high precision from e+e−→ Hadrons: Updated 来自e+e-→强子的QCD参数和SM-高精度更新
IF 1.4 4区 物理与天体物理
Nuclear Physics A Pub Date : 2024-04-12 DOI: 10.1016/j.nuclphysa.2024.122873
Stephan Narison
{"title":"QCD parameters and SM-high precision from e+e−→ Hadrons: Updated","authors":"Stephan Narison","doi":"10.1016/j.nuclphysa.2024.122873","DOIUrl":"https://doi.org/10.1016/j.nuclphysa.2024.122873","url":null,"abstract":"&lt;div&gt;&lt;p&gt;&lt;strong&gt;1.&lt;/strong&gt; I report an update of my previous comparison of the theoretical value of the muon anomaly &lt;span&gt;&lt;math&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;μ&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mo&gt;≡&lt;/mo&gt;&lt;mfrac&gt;&lt;mrow&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;/mfrac&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mi&gt;g&lt;/mi&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;μ&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;/math&gt;&lt;/span&gt; with the new measurement. One finds: &lt;span&gt;&lt;math&gt;&lt;mi&gt;Δ&lt;/mi&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;μ&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mo&gt;≡&lt;/mo&gt;&lt;msubsup&gt;&lt;mrow&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;μ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;e&lt;/mi&gt;&lt;mi&gt;x&lt;/mi&gt;&lt;mi&gt;p&lt;/mi&gt;&lt;/mrow&gt;&lt;/msubsup&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;msubsup&gt;&lt;mrow&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;μ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;t&lt;/mi&gt;&lt;mi&gt;h&lt;/mi&gt;&lt;/mrow&gt;&lt;/msubsup&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;143&lt;/mn&gt;&lt;mo&gt;±&lt;/mo&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mn&gt;42&lt;/mn&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;t&lt;/mi&gt;&lt;mi&gt;h&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mo&gt;±&lt;/mo&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mn&gt;22&lt;/mn&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;e&lt;/mi&gt;&lt;mi&gt;x&lt;/mi&gt;&lt;mi&gt;p&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;mo&gt;×&lt;/mo&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mn&gt;10&lt;/mn&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;mn&gt;11&lt;/mn&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/math&gt;&lt;/span&gt; indicating about 3&lt;em&gt;σ&lt;/em&gt; discrepancy between the SM predictions and experiment.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;2.&lt;/strong&gt; I improve the estimate of QCD power corrections up to dimension &lt;span&gt;&lt;math&gt;&lt;mi&gt;D&lt;/mi&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;12&lt;/mn&gt;&lt;/math&gt;&lt;/span&gt; and provide a new estimate of the ones up to &lt;span&gt;&lt;math&gt;&lt;mi&gt;D&lt;/mi&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;20&lt;/mn&gt;&lt;/math&gt;&lt;/span&gt; within the Shifman-Vainshtein-Zahkarov (SVZ) expansion by combining the ratio of the SVZ Borel/Laplace sum rules (LSR) with the Braaten-Pich and the author (BNP) &lt;em&gt;τ&lt;/em&gt;-like decay moments for the &lt;span&gt;&lt;math&gt;&lt;mi&gt;I&lt;/mi&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/math&gt;&lt;/span&gt; vector current. The results summarized in Table 1 confirm a violation of the factorization of the four-quark condensates and the value of the gluon one &lt;span&gt;&lt;math&gt;&lt;mo&gt;〈&lt;/mo&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;α&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;s&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;G&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;mo&gt;〉&lt;/mo&gt;&lt;/math&gt;&lt;/span&gt; from some other sources. Up to &lt;span&gt;&lt;math&gt;&lt;mi&gt;D&lt;/mi&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;20&lt;/mn&gt;&lt;/math&gt;&lt;/span&gt;, I do not observe any factorial nor exponential growth of the size of these power corrections.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;3.&lt;/strong&gt; I use these new values of power corrections to extract &lt;span&gt;&lt;math&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;α&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;s&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;/math&gt;&lt;/span&gt; from the BNP lowest moment. To order &lt;span&gt;&lt;math&gt;&lt;msubsup&gt;&lt;mrow&gt;&lt;mi&gt;α&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;s&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;4&lt;/mn&gt;&lt;/mrow&gt;&lt;/msubsup&gt;&lt;/math&gt;&lt;/span&gt;, I find within the SVZ expansion: &lt;span&gt;&lt;math&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;α&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;s&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;M&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;τ&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;0.3081&lt;/mn&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;50&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;f&lt;/mi&gt;&lt;mi&gt;i&lt;/mi&gt;&lt;mi&gt;t&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;71&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;msubsup&gt;&lt;mrow&gt;&lt;mi&gt;α&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;s&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;5&lt;/mn&gt;&lt;/mrow&gt;&lt;/msubsup&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;/math&gt;&lt;/span&gt; [resp. &lt;span&gt;&lt;math&gt;&lt;mn&gt;0.3260&lt;/mn&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;47&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/m","PeriodicalId":19246,"journal":{"name":"Nuclear Physics A","volume":"1046 ","pages":"Article 122873"},"PeriodicalIF":1.4,"publicationDate":"2024-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140619250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
Corrigendum to “Optical potential parameters of light nuclear fusion based on precise Coulomb wave functions” [Nuclear Physics A 1017 (2022) 1-12 122340] 基于精确库仑波函数的轻核聚变光学势能参数》更正 [Nuclear Physics A 1017 (2022) 1-12 122340]
IF 1.4 4区 物理与天体物理
Nuclear Physics A Pub Date : 2024-04-11 DOI: 10.1016/j.nuclphysa.2024.122870
Binbing Wu , Hao Duan , Jie Liu
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引用次数: 0
Structures of terminating bands in Er isotopes 铒同位素终止带的结构
IF 1.4 4区 物理与天体物理
Nuclear Physics A Pub Date : 2024-04-05 DOI: 10.1016/j.nuclphysa.2024.122871
Mohadese Shayestefar, Azam Kardan
{"title":"Structures of terminating bands in Er isotopes","authors":"Mohadese Shayestefar,&nbsp;Azam Kardan","doi":"10.1016/j.nuclphysa.2024.122871","DOIUrl":"https://doi.org/10.1016/j.nuclphysa.2024.122871","url":null,"abstract":"<div><p>The configurations of terminating bands in Er isotopes are investigated using the unpaired cranked Nilsson-Strutinsky (CNS), and the paired cranked Nilsson-Strutinsky-Bogoliubov (CNSB) models and also, new CNS(B) formalism. The calculated excitation energies of the bands have been compared with the experimental findings, and good agreements are observed. Our calculations show that the CNS(B) approach successfully is in agreement CNSB predictions and experimental results. Some systematics of terminating bands in erbium isotopes are also discussed.</p></div>","PeriodicalId":19246,"journal":{"name":"Nuclear Physics A","volume":"1046 ","pages":"Article 122871"},"PeriodicalIF":1.4,"publicationDate":"2024-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140539575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}
引用次数: 0
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