Nuclear Physics B最新文献_第9页

Impact of dark matter halo on black hole: Thermodynamical properties and photons motion 暗物质晕对黑洞的影响：热力学性质和光子运动

IF 2.8 3区物理与天体物理

Nuclear Physics B Pub Date : 2025-08-08 DOI: 10.1016/j.nuclphysb.2025.117069

Abdelhakim Benkrane, Djamel Eddine Zenkhri

引用次数: 0

A model for axial non-standard interactions of neutrinos with quarks 中微子与夸克的轴向非标准相互作用模型

IF 2.8 3区物理与天体物理

Nuclear Physics B Pub Date : 2025-08-07 DOI: 10.1016/j.nuclphysb.2025.117070

S. Abbaslu, Y. Farzan

{"title":"A model for axial non-standard interactions of neutrinos with quarks","authors":"S. Abbaslu, Y. Farzan","doi":"10.1016/j.nuclphysb.2025.117070","DOIUrl":"10.1016/j.nuclphysb.2025.117070","url":null,"abstract":"<div><div>The neutrino oscillation experiments are setting increasingly strong upper bounds on the vector Non-Standard neutrino Interactions (NSI) with matter fields. However, the bounds on the axial NSI are more relaxed, raising the hope that studying the neutral current events at an experiment such as DUNE can give a glimpse on new physics. We build a model that gives rise to axial NSI with large couplings leading to observable deviation from the standard prediction at DUNE. The model is based on a <span><math><mi>U</mi><mo>(</mo><mn>1</mn><mo>)</mo></math></span> gauge symmetry with a gauge boson of mass ∼30 GeV which can be discovered at the high luminosity LHC. Combining the LHC and DUNE discoveries, we can unravel the axial form of interaction. The cancellation of anomalies of the gauge group suggests new heavy quarks as well as a dark matter candidate. The new quarks mixed with the first generation quarks can also be discovered at the LHC. Moreover, they provide a seesaw mechanism that explains the smallness of the <em>u</em> and <em>d</em> quark masses. The dark matter has an axial coupling to the quarks which makes its discovery via spin dependent direct dark matter search experiments possible.</div></div>","PeriodicalId":54712,"journal":{"name":"Nuclear Physics B","volume":"1018 ","pages":"Article 117070"},"PeriodicalIF":2.8,"publicationDate":"2025-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144809747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Thermodynamics and particle dynamics around a regular black hole admitting the limiting curvature condition 允许极限曲率条件的规则黑洞周围的热力学和粒子动力学

IF 2.8 3区物理与天体物理

Nuclear Physics B Pub Date : 2025-08-06 DOI: 10.1016/j.nuclphysb.2025.117059

Allah Ditta , Abdelmalek Bouzenada , Asifa Ashraf , Muhammad Aslam , Muhammad Yousaf Malik , Rana Muhammad Zulqarnain , Guzalxon Belalova

{"title":"Thermodynamics and particle dynamics around a regular black hole admitting the limiting curvature condition","authors":"Allah Ditta , Abdelmalek Bouzenada , Asifa Ashraf , Muhammad Aslam , Muhammad Yousaf Malik , Rana Muhammad Zulqarnain , Guzalxon Belalova","doi":"10.1016/j.nuclphysb.2025.117059","DOIUrl":"10.1016/j.nuclphysb.2025.117059","url":null,"abstract":"<div><div>This paper investigates the thermodynamic and particle dynamics features of a regular black hole in the case of the limiting curvature condition. We begin by examining the metric function <span><math><mi>f</mi><mo>(</mo><mi>r</mi><mo>)</mo></math></span> for a regular black hole that admits a limiting curvature condition, where the length parameter <em>l</em> and the black hole mass <em>M</em>. In the case of the Schwarzschild metric when <span><math><mi>l</mi><mo>=</mo><mn>0</mn></math></span>, offering a reference point for comparison. According to the study, a more compact event horizon is indicated by a drop in the horizon radius <span><math><msub><mrow><mi>r</mi></mrow><mrow><mi>h</mi></mrow></msub></math></span> as <em>l</em> increases. We investigate the effects of thermal fluctuations on the thermodynamic parameters, such as the Hawking temperature, entropy, and specific heat. The Gibbs free energy and energy emission rates are also analyzed to show the black hole's stability and phase changes. We also study particle motion near the black hole, with particular attention to photon orbits, innermost stable circular orbits (ISCO), and the effective potential. Analysis of the red and blue shifts of photons released by orbiting particles shows how the length scale parameter <em>l</em> affects the frequency shifts that are seen. In this context, we show the oscillations of massive particles around circular orbits, deriving the fundamental frequencies associated (quasi-periodic oscillations (QPOs) and exploring various QPO models). The results explain the thermodynamic and dynamic behavior of regular black holes under limiting curvature, revealing insights into their stability, phase transitions, and observational signatures.</div></div>","PeriodicalId":54712,"journal":{"name":"Nuclear Physics B","volume":"1018 ","pages":"Article 117059"},"PeriodicalIF":2.8,"publicationDate":"2025-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144809748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

L∞-structure and scattering amplitudes of antisymmetric tensor gauge field theory 反对称张量规范场理论的L∞结构和散射振幅

IF 2.8 3区物理与天体物理

Nuclear Physics B Pub Date : 2025-08-05 DOI: 10.1016/j.nuclphysb.2025.117053

Jialiang Dai, Wenting Pan, Juanjuan Cheng

{"title":"L∞-structure and scattering amplitudes of antisymmetric tensor gauge field theory","authors":"Jialiang Dai, Wenting Pan, Juanjuan Cheng","doi":"10.1016/j.nuclphysb.2025.117053","DOIUrl":"10.1016/j.nuclphysb.2025.117053","url":null,"abstract":"<div><div>We explore the <span><math><msub><mrow><mi>L</mi></mrow><mrow><mo>∞</mo></mrow></msub></math></span>-algebraic structures in antisymmetric tensor gauge field theory, focusing on the construction of a contracting homotopy for the chain map between two distinct <span><math><msub><mrow><mi>L</mi></mrow><mrow><mo>∞</mo></mrow></msub></math></span>-algebras. Utilizing the free Feynman propagators, we establish a quasi-isomorphism between the original <span><math><msub><mrow><mi>L</mi></mrow><mrow><mo>∞</mo></mrow></msub></math></span>-algebra and its minimal model. This construction leads to the recursive relations for the coefficients of Berends-Giele-like currents which are essential in the computations of tree-level scattering amplitudes of tensor gauge fields. Under such framework, we derive the generating functional for all tree-level amplitudes in terms of Maurer-Cartan elements within the minimal model. As an illustration, we carry out the three- and four-point scattering amplitudes in the tensor gauge theory by applying field operators to the Maurer-Cartan action with appropriate boundary conditions.</div></div>","PeriodicalId":54712,"journal":{"name":"Nuclear Physics B","volume":"1018 ","pages":"Article 117053"},"PeriodicalIF":2.8,"publicationDate":"2025-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144780841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Personal memories of 50 years of quarkonia 夸克尼亚50年的个人记忆

IF 2.8 3区物理与天体物理

Nuclear Physics B Pub Date : 2025-08-05 DOI: 10.1016/j.nuclphysb.2025.117062

John Ellis

{"title":"Personal memories of 50 years of quarkonia","authors":"John Ellis","doi":"10.1016/j.nuclphysb.2025.117062","DOIUrl":"10.1016/j.nuclphysb.2025.117062","url":null,"abstract":"<div><div>The world of particle physics was revolutionised in November 1974 by the discovery of the J/<em>ψ</em> particle, the first particle to be identified as a quarkonium state composed of charm quarks and antiquarks. The charmonium interpretation of the J/<em>ψ</em> was cemented by the subsequent observations of a spectrum of related <span><math><mover><mrow><mi>c</mi></mrow><mrow><mo>¯</mo></mrow></mover><mi>c</mi></math></span> states, and finally by the discovery of charmed particles in 1976. The discovery of charmonium was followed in 1977 by the discovery of bottomonium mesons and particles containing bottom quarks. Toponium bound states of top quark and antiquarks were predicted to exist in principle but, following the discovery of the top quark in 1995, most physicists thought that its observation would have to wait for a next-generation <span><math><msup><mrow><mi>e</mi></mrow><mrow><mo>+</mo></mrow></msup><msup><mrow><mi>e</mi></mrow><mrow><mo>−</mo></mrow></msup></math></span> collider. However, in the second half of 2024 the CMS Collaboration reported an excess of events near the threshold for <span><math><mover><mrow><mi>t</mi></mrow><mrow><mo>¯</mo></mrow></mover><mi>t</mi></math></span> production at the LHC that is most plausibly interpreted as the lowest-lying toponium state. These are the personal recollections of an eyewitness who followed closely these 50 years of quarkonium discoveries.</div></div>","PeriodicalId":54712,"journal":{"name":"Nuclear Physics B","volume":"1018 ","pages":"Article 117062"},"PeriodicalIF":2.8,"publicationDate":"2025-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144809746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Inflationary dynamics and observables: β-exponential models in Palatini R2 gravity 暴胀动力学和可观测数据：Palatini R2重力中的β-指数模型

IF 2.8 3区物理与天体物理

Nuclear Physics B Pub Date : 2025-08-04 DOI: 10.1016/j.nuclphysb.2025.117056

Nilay Bostan , Rafid H. Dejrah

{"title":"Inflationary dynamics and observables: β-exponential models in Palatini R2 gravity","authors":"Nilay Bostan , Rafid H. Dejrah","doi":"10.1016/j.nuclphysb.2025.117056","DOIUrl":"10.1016/j.nuclphysb.2025.117056","url":null,"abstract":"<div><div>We focus on the inflationary predictions of <em>β</em>-exponential potential models, in which the inflaton is associated with a field that determines the size of extra dimensions. This provides a well-motivated starting point for exploring physics at very high energy scales. Consequently, we incorporate an <span><math><msup><mrow><mi>R</mi></mrow><mrow><mn>2</mn></mrow></msup></math></span> term within the Palatini formulation of gravity. Additionally, we extend our analysis by examining the effects of reheating on inflationary observables, considering various scenarios for the reheat temperature. We present the inflationary predictions for spectral index <span><math><msub><mrow><mi>n</mi></mrow><mrow><mi>s</mi></mrow></msub></math></span>, tensor-to-scalar ratio <em>r</em>, and the running of the spectral index <span><math><mi>d</mi><msub><mrow><mi>n</mi></mrow><mrow><mi>s</mi></mrow></msub><mo>/</mo><mi>d</mi><mi>ln</mi><mo>⁡</mo><mi>k</mi></math></span> in the context of a <em>β</em>-exponential potential minimally coupled in Palatini <span><math><msup><mrow><mi>R</mi></mrow><mrow><mn>2</mn></mrow></msup></math></span> gravity. Furthermore, we confront our results with observational constraints from BICEP/Keck, Planck 2018, and the most recent Planck+ACT DR6 data released by the ACT collaboration. We also consider the projected sensitivities of upcoming CMB experiments, including CMB-S4, LiteBIRD, and SPIDER. Our findings demonstrate the viability of the model, even in light of the tighter constraints expected from future data.</div></div>","PeriodicalId":54712,"journal":{"name":"Nuclear Physics B","volume":"1018 ","pages":"Article 117056"},"PeriodicalIF":2.8,"publicationDate":"2025-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144771572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Free field construction of heterotic string compactified on Calabi-Yau manifolds of Berglund-Hubsch type in the Batyrev-Borisov combinatorial approach Batyrev-Borisov组合方法中Berglund-Hubsch型Calabi-Yau流形紧化的异质弦的自由场构造

IF 2.8 3区物理与天体物理

Nuclear Physics B Pub Date : 2025-08-04 DOI: 10.1016/j.nuclphysb.2025.117055

Alexander Belavin

{"title":"Free field construction of heterotic string compactified on Calabi-Yau manifolds of Berglund-Hubsch type in the Batyrev-Borisov combinatorial approach","authors":"Alexander Belavin","doi":"10.1016/j.nuclphysb.2025.117055","DOIUrl":"10.1016/j.nuclphysb.2025.117055","url":null,"abstract":"<div><div>Heterotic string models in 4-dimensions are the hybrid theories of a left-moving <span><math><mi>N</mi><mo>=</mo><mn>1</mn></math></span> fermionic string whose additional 6-dimensions are compactified on a <span><math><mi>N</mi><mo>=</mo><mn>2</mn></math></span> SCFT theory with the central charge 9, and a right-moving bosonic string, whose additional dimensions are also compactified on <span><math><mi>N</mi><mo>=</mo><mn>2</mn></math></span> SCFT theory with the central charge 9, and the remaining 13 dimensions compactified on the torus of <span><math><mi>E</mi><mo>(</mo><mn>8</mn><mo>)</mo><mo>×</mo><mi>S</mi><mi>O</mi><mo>(</mo><mn>10</mn><mo>)</mo></math></span> Lie algebra.</div><div>The important class of exactly solvable Heterotic string models considered earlier by D. Gepner corresponds to the products of <span><math><mi>N</mi><mo>=</mo><mn>2</mn></math></span> minimal models with the total central charge <span><math><mi>c</mi><mo>=</mo><mn>9</mn></math></span>. These models are known to describe Heterotic string models compactified on Calabi-Yau manifolds, which belong a special subclass of general CY manifolds of Berglund-Hubsch type. We generalize this construction to all cases of compactifications on Calabi-Yau manifolds of general Berglund-Hubsch type, using Batyrev-Borisov combinatorial approach. In particular, starting from the mirror pair of Batyrev lattices corresponding to a given CY manifold, we construct vertex operators of the complete physical theory as cohomology of Borisov differentials that correspond to points of reflexive Batyrev polyhedra. In particular, we show how the number of 27, <span><math><mover><mrow><mn>27</mn></mrow><mo>‾</mo></mover></math></span> and Singlet representations of <span><math><mi>E</mi><mo>(</mo><mn>6</mn><mo>)</mo></math></span> is determined by the data of reflexive Batyrev polytope that determines this CY-manifold.</div></div>","PeriodicalId":54712,"journal":{"name":"Nuclear Physics B","volume":"1018 ","pages":"Article 117055"},"PeriodicalIF":2.8,"publicationDate":"2025-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144771045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

On massive neutrinos and coherence in neutrino oscillations 关于大质量中微子和中微子振荡中的相干性

IF 2.8 3区物理与天体物理

Nuclear Physics B Pub Date : 2025-07-30 DOI: 10.1016/j.nuclphysb.2025.117052

Anca Tureanu

引用次数: 0

Constructing a finite tension domain wall in ϕ44 构建了一个有限张力域壁

IF 2.8 3区物理与天体物理

Nuclear Physics B Pub Date : 2025-07-30 DOI: 10.1016/j.nuclphysb.2025.117054

Jarah Evslin , Hengyuan Guo , Hui Liu , Baiyang Zhang

引用次数: 0

Axion effects on new p-wave superconductors induced by electromagnetic fields 电磁场诱导的新型p波超导体的轴子效应

IF 2.8 3区物理与天体物理

Nuclear Physics B Pub Date : 2025-07-29 DOI: 10.1016/j.nuclphysb.2025.117037

Bao-Ping Dong , Jun-Wang Lu , Ya-Bo Wu , Cheng-Yuan Zhang , Juan-Juan Luo , Jian-Xin Cheng , Hao Liao

{"title":"Axion effects on new p-wave superconductors induced by electromagnetic fields","authors":"Bao-Ping Dong , Jun-Wang Lu , Ya-Bo Wu , Cheng-Yuan Zhang , Juan-Juan Luo , Jian-Xin Cheng , Hao Liao","doi":"10.1016/j.nuclphysb.2025.117037","DOIUrl":"10.1016/j.nuclphysb.2025.117037","url":null,"abstract":"<div><div>Based on the holographic duality, we construct the new <em>p</em>-wave metal/superconductor phase transitions triggered by the electric and magnetic fields. Especially, using the axion field, we introduce simultaneously the spontaneous (SBT) and explicit (EBT) breaking of translation and then investigate how the SBT and EBT corrections influence on the critical temperature, vector condensate and the optical conductivity. Concretely, for the case with pure electric field, both the EBT correction with weak SBT correction and the SBT correction lower the critical temperature <span><math><msub><mrow><mi>T</mi></mrow><mrow><mi>c</mi></mrow></msub></math></span> and soften the energy gap. Interestingly, for the strong enough SBT correction, the increasing EBT correction enhances firstly and then inhibits the phase transition. Meanwhile, the increasing EBT correction suppresses the SBT effect on <span><math><msub><mrow><mi>T</mi></mrow><mrow><mi>c</mi></mrow></msub></math></span>. At the lowest Landau energy level, the stronger SBT correction suppresses the phase transition for the weak magnetic field, whose inhibiting effect is finally eliminated by the strong enough magnetic field. The monotonic dependence of <span><math><msub><mrow><mi>T</mi></mrow><mrow><mi>c</mi></mrow></msub></math></span> on the EBT correction only exists for the weak SBT correction. For the Landau energy level in the excited state, the monotonic dependence of <span><math><msub><mrow><mi>T</mi></mrow><mrow><mi>c</mi></mrow></msub></math></span> on the EBT correction vanishes for the intermediate SBT correction with large magnetic field.</div></div>","PeriodicalId":54712,"journal":{"name":"Nuclear Physics B","volume":"1018 ","pages":"Article 117037"},"PeriodicalIF":2.8,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144766623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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