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Three-Body Calculation Of Deuteron–Nucleus Scattering Using Microscopic Global Optical Potential 利用微观全局光学势能进行氘核散射的三体计算
IF 1.7 4区 物理与天体物理
Few-Body Systems Pub Date : 2024-06-18 DOI: 10.1007/s00601-024-01937-x
A. Deltuva, D. Jurčiukonis, D. Likandrovas, J. Torres Fernandez
{"title":"Three-Body Calculation Of Deuteron–Nucleus Scattering Using Microscopic Global Optical Potential","authors":"A. Deltuva,&nbsp;D. Jurčiukonis,&nbsp;D. Likandrovas,&nbsp;J. Torres Fernandez","doi":"10.1007/s00601-024-01937-x","DOIUrl":"10.1007/s00601-024-01937-x","url":null,"abstract":"<div><p>We test microscopic global optical potential in three-body calculations of deuteron–nucleus scattering. We solve Faddeev-type equations for three-body transition operators. We calculate differential cross section and analyzing power for the deuteron elastic scattering and breakup in collisions with <span>({}^{12})</span>C, <span>({}^{16})</span>O and <span>({}^{24})</span>Mg nuclei, and find a reasonable agreement with available experimental data. Comparison with respective predictions using phenomenological optical potentials reveals systematic deviations in particular kinematic regimes.</p></div>","PeriodicalId":556,"journal":{"name":"Few-Body Systems","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141508597","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
Algebraic Approach to the Nuclear Few-Body Systems 核微小体系统的代数方法
IF 1.7 4区 物理与天体物理
Few-Body Systems Pub Date : 2024-06-07 DOI: 10.1007/s00601-024-01936-y
Augustinas Stepšys, Saulius Mickevičius, Darius Germanas, Ramutis Kazys Kalinauskas
{"title":"Algebraic Approach to the Nuclear Few-Body Systems","authors":"Augustinas Stepšys,&nbsp;Saulius Mickevičius,&nbsp;Darius Germanas,&nbsp;Ramutis Kazys Kalinauskas","doi":"10.1007/s00601-024-01936-y","DOIUrl":"10.1007/s00601-024-01936-y","url":null,"abstract":"<div><p>We present an algebraic approach for the construction of the model space for the few-body systems. The approach is suitable for the observable calculation. The model utilizes the translationally invariant harmonic oscillator basis. We extensively use the symmetric group apparatus for the fractional parentage coefficient calculation.\u0000</p></div>","PeriodicalId":556,"journal":{"name":"Few-Body Systems","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141374061","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
Resonant States in Few-Body Systems: An Introduction to the Special Issue 少体系统中的共振态：特刊简介
IF 1.7 4区 物理与天体物理
Few-Body Systems Pub Date : 2024-06-06 DOI: 10.1007/s00601-024-01934-0
Rimantas Lazauskas, Alejandro Kievsky
{"title":"Resonant States in Few-Body Systems: An Introduction to the Special Issue","authors":"Rimantas Lazauskas,&nbsp;Alejandro Kievsky","doi":"10.1007/s00601-024-01934-0","DOIUrl":"10.1007/s00601-024-01934-0","url":null,"abstract":"","PeriodicalId":556,"journal":{"name":"Few-Body Systems","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141379555","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
Uncertainty Estimation and Anomaly Detection in Chiral Effective Field Theory Studies of Key Nuclear Electroweak Processes 关键核电弱过程的手性有效场理论研究中的不确定性估计和异常检测
IF 1.7 4区 物理与天体物理
Few-Body Systems Pub Date : 2024-06-04 DOI: 10.1007/s00601-024-01929-x
Bijaya Acharya
{"title":"Uncertainty Estimation and Anomaly Detection in Chiral Effective Field Theory Studies of Key Nuclear Electroweak Processes","authors":"Bijaya Acharya","doi":"10.1007/s00601-024-01929-x","DOIUrl":"10.1007/s00601-024-01929-x","url":null,"abstract":"<div><p>Chiral effective field theory (<span>(chi )</span>EFT) is a powerful tool for studying electroweak processes in nuclei. I discuss <span>(chi )</span>EFT calculations of three key nuclear electroweak processes: primordial deuterium production, proton–proton fusion, and magnetic dipole excitations of <span>(^{48}textrm{Ca})</span>. This article showcases <span>(chi )</span>EFT’s ability to quantify theory uncertainties at the appropriate level of rigor for addressing the different precision demands of these three processes.</p></div>","PeriodicalId":556,"journal":{"name":"Few-Body Systems","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141254042","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
Doubly Excited States of Beryllium-Like Ions ((Z = 4)–10) in Dense Quantum Plasmas 致密量子等离子体中类铍离子（$$Z = 4$$ -10）的双激发态
IF 1.7 4区 物理与天体物理
Few-Body Systems Pub Date : 2024-06-03 DOI: 10.1007/s00601-024-01935-z
Nirvik Masanta, Arijit Ghoshal, Yew Kam Ho
{"title":"Doubly Excited States of Beryllium-Like Ions ((Z = 4)–10) in Dense Quantum Plasmas","authors":"Nirvik Masanta,&nbsp;Arijit Ghoshal,&nbsp;Yew Kam Ho","doi":"10.1007/s00601-024-01935-z","DOIUrl":"10.1007/s00601-024-01935-z","url":null,"abstract":"<div><p>The doubly excited states (DES) of beryllium-like ions (BLI) embedded in dense quantum plasma (QP) have been investigated by applying the stabilization method. Ions having atomic number <i>Z</i> lying between 4 to 10 are considered and treated as an effective three-body system by means of the ‘method of model potential’. Exponential cosine screened Coulomb potential is used to describe the screened interactions among the charged particles in QP. Using an extensive wavefunction, it has been possible to detect the existence of one, four and five DESs lying above the <span>(1s^22p)</span> threshold in the ions having <span>(Z = 4)</span>, <span>(Z = 5)</span> and <span>(Z = 6)</span>–10 respectively. The energies and widths of these states for the plasma-free case agree nicely with the reliable results available in the literature. A detailed study has been made to explore the changes in the energies and widths of these states subject to the varying screening effect of the background quantum plasma environment. Furthermore, <i>Z</i>-dependence of the changes induced by the plasma has also been investigated in detail.</p></div>","PeriodicalId":556,"journal":{"name":"Few-Body Systems","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141254251","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 Impact of Quark Many-Body Effects on Exotic Hadrons 夸克多体效应对外来中子的影响
IF 1.7 4区 物理与天体物理
Few-Body Systems Pub Date : 2024-05-26 DOI: 10.1007/s00601-024-01932-2
Sachiko Takeuchi, Makoto Takizawa, Yasuhiro Yamaguchi, Atsushi Hosaka
{"title":"The Impact of Quark Many-Body Effects on Exotic Hadrons","authors":"Sachiko Takeuchi,&nbsp;Makoto Takizawa,&nbsp;Yasuhiro Yamaguchi,&nbsp;Atsushi Hosaka","doi":"10.1007/s00601-024-01932-2","DOIUrl":"10.1007/s00601-024-01932-2","url":null,"abstract":"<div><p>We investigate the exotic hadrons consisting of two light quarks and two heavy antiquarks, <span>((qbar{Q}))</span>-<span>((qbar{Q}))</span>. The spin-dependent term between quarks is known to give an attraction to the <i>ud</i> spin-0 component in the isospin-0 <span>(ubar{c} dbar{c})</span> system, <span>(T_{cc})</span>. However, the said component also gets a repulsion from the partial Pauli-blocking. By the dynamical calculation with a simplified quark model, we discuss that the competition of the two effects leads to a shallow bound state for <span>(T_{cc})</span>, which is preferred from the experiment, and a deep bound state for <span>(T_{bb})</span>.</p></div>","PeriodicalId":556,"journal":{"name":"Few-Body Systems","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141147175","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
Hadron Spectroscopy: Light, Strange Baryons 强子光谱学：光、奇异重子
IF 1.7 4区 物理与天体物理
Few-Body Systems Pub Date : 2024-05-26 DOI: 10.1007/s00601-024-01933-1
Chandni Menapara, Ajay Kumar Rai
{"title":"Hadron Spectroscopy: Light, Strange Baryons","authors":"Chandni Menapara,&nbsp;Ajay Kumar Rai","doi":"10.1007/s00601-024-01933-1","DOIUrl":"10.1007/s00601-024-01933-1","url":null,"abstract":"<div><p>The resonance mass spectra have been studied through a non-relativistic hypercentral Constituent Quark Model using a linear potential. Also, the effects of higher order correction terms (<span>({mathcal {O}}(frac{1}{m}))</span>, <span>({mathcal {O}}(frac{1}{m^{2}}))</span>) have been studied for improvisation of the results. Other baryonic properties such as Regge trajectories, magnetic moment and decay widths have been considered. A detailed comparison with other approaches are discussed in the present review</p></div>","PeriodicalId":556,"journal":{"name":"Few-Body Systems","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141147143","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
Observing S-Matrix Pole Flow in Resonance Interplay 观测共振相互作用中的 S 矩阵极流
IF 1.7 4区 物理与天体物理
Few-Body Systems Pub Date : 2024-05-25 DOI: 10.1007/s00601-024-01930-4
Matthew Chilcott, Samyajit Gayen, James Croft, Ryan Thomas, Niels Kjærgaard
{"title":"Observing S-Matrix Pole Flow in Resonance Interplay","authors":"Matthew Chilcott,&nbsp;Samyajit Gayen,&nbsp;James Croft,&nbsp;Ryan Thomas,&nbsp;Niels Kjærgaard","doi":"10.1007/s00601-024-01930-4","DOIUrl":"10.1007/s00601-024-01930-4","url":null,"abstract":"<div><p>We provide an overview of experiments exploring resonances in the collision of ultracold clouds of atoms. Using a laser-based accelerator that capitalises on the energy resolution provided by the ultracold atomic setting, we unveil resonance phenomena such as Feshbach and shape resonances in their quintessential form by literally photographing the halo of outgoing scattered atoms. We exploit the tunability of magnetic Feshbach resonances to instigate an interplay between scattering resonances. By experimentally recording the scattering in a parameter space spanned by collision energy and magnetic field, we capture the imprint of the <i>S</i>-matrix pole flow in the complex energy plane. After revisiting experiments that place a Feshbach resonance in the proximity of a shape resonance and an anti-bound state, respectively, we discuss the possibility of using <i>S</i>-matrix pole interplay between two Feshbach resonances to create a bound-state-in-the-continuum.</p></div>","PeriodicalId":556,"journal":{"name":"Few-Body Systems","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00601-024-01930-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141147173","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
Pseudoscalar Mesons and Emergent Mass 伪谱介子与新兴质量
IF 1.7 4区 物理与天体物理
Few-Body Systems Pub Date : 2024-05-24 DOI: 10.1007/s00601-024-01924-2
Khépani Raya, Adnan Bashir, Daniele Binosi, Craig D. Roberts, José Rodríguez-Quintero
{"title":"Pseudoscalar Mesons and Emergent Mass","authors":"Khépani Raya,&nbsp;Adnan Bashir,&nbsp;Daniele Binosi,&nbsp;Craig D. Roberts,&nbsp;José Rodríguez-Quintero","doi":"10.1007/s00601-024-01924-2","DOIUrl":"10.1007/s00601-024-01924-2","url":null,"abstract":"<div><p>Despite its role in the continuing evolution of the Universe, only a small fraction of the mass of visible material can be attributed to the Higgs boson alone. The overwhelmingly dominant share may/should arise from the strong interactions that act in the heart of nuclear matter; namely, those described by quantum chromodynamics. This contribution describes how studying and explaining the attributes of pseudoscalar mesons can open an insightful window onto understanding the origin of mass in the Standard Model and how these insights inform our knowledge of hadron structure. The survey ranges over distribution amplitudes and functions, electromagnetic and gravitational form factors, light-front wave functions, and generalized parton distributions. Advances made using continuum Schwinger function methods and their relevance for experimental efforts are highlighted.</p></div>","PeriodicalId":556,"journal":{"name":"Few-Body Systems","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00601-024-01924-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141147172","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
Exact Unified Tetraquark Equations 精确统一四夸克方程
IF 1.7 4区 物理与天体物理
Few-Body Systems Pub Date : 2024-05-21 DOI: 10.1007/s00601-024-01927-z
B. Blankleider, A. N. Kvinikhidze
{"title":"Exact Unified Tetraquark Equations","authors":"B. Blankleider,&nbsp;A. N. Kvinikhidze","doi":"10.1007/s00601-024-01927-z","DOIUrl":"10.1007/s00601-024-01927-z","url":null,"abstract":"<div><p>Recently we formulated covariant equations describing the tetraquark in terms of an admixture of two-body states <span>(D{bar{D}})</span> (diquark-antidiquark), <i>MM</i> (meson-meson), and three-body-like states where two of the quarks are spectators while the other two are interacting (Phys Rev D 107:094014, 2023). A feature of these equations is that they unify descriptions of seemingly unrelated models of the tetraquark, like, for example, the <span>(D{bar{D}})</span> model of the Moscow group (Faustov et al. in Universe 7:94, 2021) and the coupled channel <span>(D {bar{D}}-MM)</span> model of the Giessen group (Heupel et al. in Phys Lett B718:545, 2012). Here we extend these equations to the exact case where <span>(qbar{q})</span> annihilation is incorporated explicitly, and all previously neglected terms (three-body forces, non-pole contributions to two-quark t matrices, etc.) are taken into account through the inclusion of a single <span>(qbar{q})</span> potential <span>(Delta )</span>.</p></div>","PeriodicalId":556,"journal":{"name":"Few-Body Systems","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00601-024-01927-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141147141","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
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