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Comparative role of the 7Li(n, γ ) reaction in Big Bang nucleosynthesis 7Li(n， γ)反应在大爆炸核合成中的比较作用
Journal of Physics G Pub Date : 2021-04-01 DOI: 10.1088/1361-6471/ABE2B5
N. A. Burkovа, S. B. Dubovichenkо, А. V. Dzhazairov-Kakhramanov, S. Nurakhmetova
{"title":"Comparative role of the 7Li(n, \u0000 γ\u0000 ) reaction in Big Bang nucleosynthesis","authors":"N. A. Burkovа, S. B. Dubovichenkо, А. V. Dzhazairov-Kakhramanov, S. Nurakhmetova","doi":"10.1088/1361-6471/ABE2B5","DOIUrl":"https://doi.org/10.1088/1361-6471/ABE2B5","url":null,"abstract":"","PeriodicalId":16770,"journal":{"name":"Journal of Physics G","volume":"263 1","pages":"045201"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75937273","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
A radiative type-II seesaw model with broken symmetry ansatz 一个具有破对称的辐射ii型跷跷板模型
Journal of Physics G Pub Date : 2021-04-01 DOI: 10.1088/1361-6471/ABE562
S. Datta, Ambar Ghosal
{"title":"A radiative type-II seesaw model with broken symmetry ansatz","authors":"S. Datta, Ambar Ghosal","doi":"10.1088/1361-6471/ABE562","DOIUrl":"https://doi.org/10.1088/1361-6471/ABE562","url":null,"abstract":"Parametrization of the neutrino mass matrix in terms of well-known measured quantities is an attractive way to obtain a phenomenologically viable form. We propose a model of neutrino mass matrix based on type-II seesaw mechanism adhering the concept of badly broken symmetry. Two of the mixing angles are coming out as $theta_{23}sim46.08^{circ}$, $theta_{13}sim8.69^{circ}$. However, to accommodate the other oscillation parameters, we further add an extra doublet and the neutrino masses are generated through the Zee mechanism at the one loop level, and the modified model can admit all the extant data for a suitable choice of model parameters.","PeriodicalId":16770,"journal":{"name":"Journal of Physics G","volume":"22 1","pages":"045003"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77634686","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
Study of transverse spherocity and azimuthal anisotropy in Pb–Pb collisions at sNN=5.02 TeV using a multi-phase transport model 用多相输运模型研究sNN=5.02 TeV下Pb-Pb碰撞的横向球速度和方位各向异性
Journal of Physics G Pub Date : 2021-04-01 DOI: 10.1088/1361-6471/ABEB59
N. Mallick, R. Sahoo, S. Tripathy, A. Ortiz
{"title":"Study of transverse spherocity and azimuthal anisotropy in Pb–Pb collisions at \u0000 \u0000 sNN=5.02\u0000 \u0000 TeV using a multi-phase transport model","authors":"N. Mallick, R. Sahoo, S. Tripathy, A. Ortiz","doi":"10.1088/1361-6471/ABEB59","DOIUrl":"https://doi.org/10.1088/1361-6471/ABEB59","url":null,"abstract":"","PeriodicalId":16770,"journal":{"name":"Journal of Physics G","volume":"27 1","pages":"045104"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78820450","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: 14
Statistical analysis of the excited-state quantum phase transitions in the interacting boson model 相互作用玻色子模型中激发态量子相变的统计分析
Journal of Physics G Pub Date : 2021-04-01 DOI: 10.1088/1361-6471/ABDD8C
Wen Dong, Yu Zhang, B. He, F. Pan, Yan-an Luo, J. Draayer, S. Karampagia
{"title":"Statistical analysis of the excited-state quantum phase transitions in the interacting boson model","authors":"Wen Dong, Yu Zhang, B. He, F. Pan, Yan-an Luo, J. Draayer, S. Karampagia","doi":"10.1088/1361-6471/ABDD8C","DOIUrl":"https://doi.org/10.1088/1361-6471/ABDD8C","url":null,"abstract":"","PeriodicalId":16770,"journal":{"name":"Journal of Physics G","volume":"56 1","pages":"045103"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90908923","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: 5
In pursuit of new physics with Bd0→J/ψK0 and Bs0→J/ψϕ decays at the high-precision Frontier 在高精度边界上追求Bd0→J/ψ - 0和Bs0→J/ψ - n衰减的新物理
Journal of Physics G Pub Date : 2021-03-26 DOI: 10.1088/1361-6471/ABF2A2
M. Z. Barel, Kristof De Bruyn, R. Fleischer, E. Malami
{"title":"In pursuit of new physics with \u0000 \u0000 Bd0→J/ψK0\u0000 \u0000 and \u0000 \u0000 Bs0→J/ψϕ\u0000 \u0000 decays at the high-precision Frontier","authors":"M. Z. Barel, Kristof De Bruyn, R. Fleischer, E. Malami","doi":"10.1088/1361-6471/ABF2A2","DOIUrl":"https://doi.org/10.1088/1361-6471/ABF2A2","url":null,"abstract":"","PeriodicalId":16770,"journal":{"name":"Journal of Physics G","volume":"99 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81615034","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: 15
The case of equivalence of low and high energy constraints on Regge vector spectrum in AdS/QCD AdS/QCD中Regge矢量谱低能约束和高能约束等价的情况
Journal of Physics G Pub Date : 2021-03-26 DOI: 10.1088/1361-6471/ABF2A1
S. Afonin, T. Solomko
{"title":"The case of equivalence of low and high energy constraints on Regge vector spectrum in AdS/QCD","authors":"S. Afonin, T. Solomko","doi":"10.1088/1361-6471/ABF2A1","DOIUrl":"https://doi.org/10.1088/1361-6471/ABF2A1","url":null,"abstract":"The AdS/QCD models are believed to interpolate between low and high energy sectors of QCD. This belief is usually based on observations that many phenomenologically reasonable predictions follow from bounds imposed at high energies although the hypothetical range of applicability of semiclassical bottom-up holographic models is restricted by the gauge/gravity duality to low energies where QCD is strongly coupled. For testing the feasibility of high energy constraints it is interesting to calculate holographically some observable constants at low and high momenta independently and compare. We consider an AdS/QCD model describing the Regge-like linear spectrum of spin-1 mesons in a general form and show that under definite physical assumptions, the low-energy constraints on 2-point correlation functions lead to nearly the same numerical values for the parameters of linear radial spectrum as the high energy ones. The found approximate coincidence looks surprising in view of the fact that such a property for observables is natural for conformal theories while real strong interactions are not conformal.","PeriodicalId":16770,"journal":{"name":"Journal of Physics G","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76034374","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: 3
New insights into sub-barrier fusion of 28Si + 100Mo 28Si + 100Mo亚势垒聚变的新认识
Journal of Physics G Pub Date : 2021-02-23 DOI: 10.1088/1361-6471/ABE8E2
A. Stefanini, G. Montagnoli, M. D’Andrea, M. Giacomin, C. Dehman, R. Somasundaram, Vimal Vijayan, Luca Zago, G. Colucci, F. Galtarossa, A. Goasduff, J. Grebosz
{"title":"New insights into sub-barrier fusion of 28Si + 100Mo","authors":"A. Stefanini, G. Montagnoli, M. D’Andrea, M. Giacomin, C. Dehman, R. Somasundaram, Vimal Vijayan, Luca Zago, G. Colucci, F. Galtarossa, A. Goasduff, J. Grebosz","doi":"10.1088/1361-6471/ABE8E2","DOIUrl":"https://doi.org/10.1088/1361-6471/ABE8E2","url":null,"abstract":"","PeriodicalId":16770,"journal":{"name":"Journal of Physics G","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77281868","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: 9
Revealing the structure of light pseudoscalar mesons at the electron–ion collider 揭示电子-离子对撞机中光赝标量介子的结构
Journal of Physics G Pub Date : 2021-02-23 DOI: 10.1088/1361-6471/abf5c3
J. Arrington, C. Gayoso, P. Barry, V. Berdnikov, D. Binosi, Lei Chang, M. Diefenthaler, M. Ding, R. Ent, T. Frederico, Y. Furletova, T. Hobbs, T. Horn, G. Huber, S. Kay, C. Keppel, Huy-Wen Lin, C. Mezrag, R. Montgomery, I. Pegg, K. Raya, P. Reimer, D. Richards, C. Roberts, J. Rodríguez-Quintero, D. Romanov, G. Salmè, N. Sato, J. Segovia, P. Stepanov, A. Tadepalli, R. Trotta
{"title":"Revealing the structure of light pseudoscalar mesons at the electron–ion collider","authors":"J. Arrington, C. Gayoso, P. Barry, V. Berdnikov, D. Binosi, Lei Chang, M. Diefenthaler, M. Ding, R. Ent, T. Frederico, Y. Furletova, T. Hobbs, T. Horn, G. Huber, S. Kay, C. Keppel, Huy-Wen Lin, C. Mezrag, R. Montgomery, I. Pegg, K. Raya, P. Reimer, D. Richards, C. Roberts, J. Rodríguez-Quintero, D. Romanov, G. Salmè, N. Sato, J. Segovia, P. Stepanov, A. Tadepalli, R. Trotta","doi":"10.1088/1361-6471/abf5c3","DOIUrl":"https://doi.org/10.1088/1361-6471/abf5c3","url":null,"abstract":"How the bulk of the Universe's visible mass emerges and how it is manifest in the existence and properties of hadrons are profound questions that probe into the heart of strongly interacting matter. Paradoxically, the lightest pseudoscalar mesons appear to be the key to the further understanding of the emergent mass and structure mechanisms. These mesons, namely the pion and kaon, are the Nambu-Goldstone boson modes of QCD. Unravelling their partonic structure and the interplay between emergent and Higgs-boson mass mechanisms is a common goal of three interdependent approaches -- continuum QCD phenomenology, lattice-regularised QCD, and the global analysis of parton distributions -- linked to experimental measurements of hadron structure. Experimentally, the foreseen electron-ion collider will enable a revolution in our ability to study pion and kaon structure, accessed by scattering from the \"meson cloud\" of the proton through the Sullivan process. With the goal of enabling a suite of measurements that can address these questions, we examine key reactions to identify the critical detector system requirements needed to map tagged pion and kaon cross sections over a wide range of kinematics. The excellent prospects for extracting pion structure function and form factor data are shown, and similar prospects for kaon structure are discussed in the context of a worldwide programme. Successful completion of the programme outlined herein will deliver deep, far-reaching insights into the emergence of pions and kaons, their properties, and their role as QCD's Goldstone boson modes.","PeriodicalId":16770,"journal":{"name":"Journal of Physics G","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75245575","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: 64
Measurement of fission excitation function for 19F + 194, 196, 198Pt reactions 19F + 194,196,198pt反应的裂变激发函数测量
Journal of Physics G Pub Date : 2021-02-22 DOI: 10.1088/1361-6471/ABE8CD
Varinderjit Singh, B. Behera, M. Kaur, A. Jhingan, Rupinder Kaur, P. Sugathan, D. Siwal, S. Goyal, K. Singh, Santanu Pal, A. Saxena, S. Kailas
{"title":"Measurement of fission excitation function for 19F + \u0000 194, 196, 198Pt reactions","authors":"Varinderjit Singh, B. Behera, M. Kaur, A. Jhingan, Rupinder Kaur, P. Sugathan, D. Siwal, S. Goyal, K. Singh, Santanu Pal, A. Saxena, S. Kailas","doi":"10.1088/1361-6471/ABE8CD","DOIUrl":"https://doi.org/10.1088/1361-6471/ABE8CD","url":null,"abstract":"","PeriodicalId":16770,"journal":{"name":"Journal of Physics G","volume":"238 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77614784","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: 4
Isospin effects on the chiral phase transition 同位旋对手性相变的影响
Journal of Physics G Pub Date : 2021-02-22 DOI: 10.1088/1361-6471/ABE8CC
Shuwen Xu
{"title":"Isospin effects on the chiral phase transition","authors":"Shuwen Xu","doi":"10.1088/1361-6471/ABE8CC","DOIUrl":"https://doi.org/10.1088/1361-6471/ABE8CC","url":null,"abstract":"","PeriodicalId":16770,"journal":{"name":"Journal of Physics G","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74659967","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
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