Progress in Particle and Nuclear Physics最新文献

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Electromagnetic probes: Theory and experiment 电磁探头:理论与实验
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2023-01-01 DOI: 10.1016/j.ppnp.2022.104004
Frank Geurts , Ralf-Arno Tripolt
{"title":"Electromagnetic probes: Theory and experiment","authors":"Frank Geurts ,&nbsp;Ralf-Arno Tripolt","doi":"10.1016/j.ppnp.2022.104004","DOIUrl":"https://doi.org/10.1016/j.ppnp.2022.104004","url":null,"abstract":"<div><p><span>We review the current state of research on electromagnetic probes in the context of heavy-ion collisions. The focus is on thermal photons and dileptons which provide unique insights into the properties of the created hot and </span>dense matter. This review is intended to provide an introductory overview of the topic as well as a discussion of recent theoretical and experimental results. In particular, we discuss the role of vector-meson spectral functions in the calculation of photon and dilepton rates and present recent results obtained from different frameworks. Furthermore, we will highlight the special role of photons and dileptons to provide information on observables such as the temperature, the lifetime, the polarization and the electrical conductivity of the produced medium as well as their use to learn about chiral symmetry restoration and phase transitions.</p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"128 ","pages":"Article 104004"},"PeriodicalIF":9.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"1750378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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: 7
Berry’s phase and chiral anomalies Berry相和手性异常
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2023-01-01 DOI: 10.1016/j.ppnp.2022.103992
Kazuo Fujikawa , Koichiro Umetsu
{"title":"Berry’s phase and chiral anomalies","authors":"Kazuo Fujikawa ,&nbsp;Koichiro Umetsu","doi":"10.1016/j.ppnp.2022.103992","DOIUrl":"https://doi.org/10.1016/j.ppnp.2022.103992","url":null,"abstract":"<div><p>The basic materials of Berry’s phase and chiral anomalies are presented to appreciate the phenomena related to those notions recently discussed in the literature. As for Berry’s phase, a general survey of the subject including the anomalous Hall effect<span> is presented using both Lagrangian and Hamiltonian formalisms. The canonical Hamiltonian formalism of the Born–Oppenheimer approximation, when applied to the anomalous Hall effect, can incorporate the gauge symmetry of Berry’s connection but unable to incorporate the completely independent gauge symmetry of the electromagnetic vector potential simultaneously. Thus the Nernst effect is not realized in the canonical formalism. Transformed to the Lagrangian formalism with a time-derivative term allowed, the Born–Oppenheimer approximation can incorporate the electromagnetic vector potential simultaneously with Berry’s connection, but the consistent canonical property is lost and thus becomes classical. The Lagrangian formalism can thus incorporate both gauge symmetries simultaneously but spoils the basic quantum symmetries, and thus results in classical anomalous Poisson brackets and the classical Nernst effect as in the conventional formalism. These properties are taken as the bases of the applications of Berry’s phase to the anomalous Hall effect in the present review.</span></p><p><span>As for chiral anomalies, we present basic materials by the path integral formulation with an emphasis on fermions on the lattice. A chiral fermion defined by </span><span><math><msub><mrow><mi>γ</mi></mrow><mrow><mn>5</mn></mrow></msub></math></span> on the lattice does not contain the chiral anomaly for the non-vanishing lattice spacing <span><math><mrow><mi>a</mi><mo>≠</mo><mn>0</mn></mrow></math></span><span>. Each species doubler separately does not contain a well-defined chiral anomaly either, since each species doubler defined in a part of the Brillouin zone is not a local field for </span><span><math><mrow><mi>a</mi><mo>≠</mo><mn>0</mn></mrow></math></span><span>. The idea of a spectral flow on the lattice does not lead to an anomaly for each species doubler separately but rather to a pair production in a general sense. We also mention that a specific construction called the Ginsparg–Wilson fermion, which is free of species doublers, may practically be useful in the theoretical analysis of an Abelian massless Dirac fermion in condensed matter physics.</span></p><p>We discuss a limited number of representative applications of Berry’s phase and chiral anomalies in nuclear physics and related fields to illustrate the use of these two basic notions presented in this article.</p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"128 ","pages":"Article 103992"},"PeriodicalIF":9.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"3270350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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: 1
Corrigendum to “Light-meson spectroscopy with COMPASS” [Prog. Part. Nucl. Phys. 113 (2020) 1-133/103755] “光-介子光谱学与指南针”的勘误表[Prog。部分。诊断。物理学报,2013 (5):559 - 564 [j]
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2023-01-01 DOI: 10.1016/j.ppnp.2022.104000
B. Ketzer , B. Grube , D. Ryabchikov
{"title":"Corrigendum to “Light-meson spectroscopy with COMPASS” [Prog. Part. Nucl. Phys. 113 (2020) 1-133/103755]","authors":"B. Ketzer ,&nbsp;B. Grube ,&nbsp;D. Ryabchikov","doi":"10.1016/j.ppnp.2022.104000","DOIUrl":"https://doi.org/10.1016/j.ppnp.2022.104000","url":null,"abstract":"","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"128 ","pages":"Article 104000"},"PeriodicalIF":9.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"3451554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Stochastic gravitational wave background: Methods and implications 随机引力波背景:方法和意义
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2023-01-01 DOI: 10.1016/j.ppnp.2022.104003
Nick van Remortel , Kamiel Janssens , Kevin Turbang
{"title":"Stochastic gravitational wave background: Methods and implications","authors":"Nick van Remortel ,&nbsp;Kamiel Janssens ,&nbsp;Kevin Turbang","doi":"10.1016/j.ppnp.2022.104003","DOIUrl":"https://doi.org/10.1016/j.ppnp.2022.104003","url":null,"abstract":"<div><p>Beyond individually resolvable gravitational wave<span> events such as binary black hole and binary neutron star mergers, the superposition of many more weak signals coming from a multitude of sources is expected to contribute to an overall background, the so-called stochastic gravitational wave background. In this review, we give an overview of possible detection methods in the search for this background and provide a detailed review of the data-analysis techniques, focusing primarily on current Earth-based interferometric gravitational-wave detectors. In addition, various validation techniques aimed at reinforcing the claim of a detection of such a background are discussed as well. We conclude this review by listing some of the astrophysical and cosmological implications resulting from current upper limits on the stochastic background of gravitational waves.</span></p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"128 ","pages":"Article 104003"},"PeriodicalIF":9.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"3139626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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: 11
Heavy quarks and jets as probes of the QGP 作为QGP探测器的重夸克和喷流
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2022-11-01 DOI: 10.1016/j.ppnp.2022.103990
Liliana Apolinário , Yen-Jie Lee , Michael Winn
{"title":"Heavy quarks and jets as probes of the QGP","authors":"Liliana Apolinário ,&nbsp;Yen-Jie Lee ,&nbsp;Michael Winn","doi":"10.1016/j.ppnp.2022.103990","DOIUrl":"https://doi.org/10.1016/j.ppnp.2022.103990","url":null,"abstract":"<div><p><span><span>Quark–Gluon Plasma (QGP), a QCD </span>state of matter created in ultra-relativistic heavy-ion collisions, has remarkable properties including, for example, a low shear viscosity over entropy ratio. By detecting the collection of low-momentum particles that arise from the collision, it is possible to gain quantitative insight into the created matter. However, its fast evolution and thermalization properties remain elusive. Only the usage of high momentum objects as probes of QGP can unveil its constituents at different wavelengths. In this review, we attempt to provide a comprehensive picture of what was, so far, possible to infer about QGP given our current theoretical understanding of jets, heavy-flavor, and quarkonia. We will bridge the resulting qualitative picture to the experimental observations done at both the LHC and </span>RHIC. We will focus on the phenomenological description of experimental observations, provide a brief analytical summary of the description of hard probes, and an outlook towards the main difficulties we will need to surpass in the following years. To benchmark QGP-related effects, we will also address nuclear modifications to the initial state and hadronization effects.</p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"127 ","pages":"Article 103990"},"PeriodicalIF":9.6,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"3270351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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: 28
Finite-density lattice QCD and sign problem: Current status and open problems 有限密度晶格QCD与符号问题:现状与开放问题
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2022-11-01 DOI: 10.1016/j.ppnp.2022.103991
Keitaro Nagata
{"title":"Finite-density lattice QCD and sign problem: Current status and open problems","authors":"Keitaro Nagata","doi":"10.1016/j.ppnp.2022.103991","DOIUrl":"https://doi.org/10.1016/j.ppnp.2022.103991","url":null,"abstract":"<div><p>Finite-density lattice QCD<span> aims for the first-principle study of QCD at finite density, which describes the system consisting of many quarks. The main targets are systems such as quark–gluon plasma, nuclei, and neutron stars<span>. Explaining macroscopic physics from the microscopic theory is a natural path in the development of physics. To understand the strong interaction completely, we have to solve finite-density QCD. Each of the systems mentioned above has open problems which cannot easily be accessed by experiment or observation, so it is important to make progress in finite-density lattice QCD.</span></span></p><p>In this article, we summarize the past development and current status of the field of finite-density lattice QCD. The difficulty in the study of theories with the sign problem is that the numerical methods which are correct in principle do not necessarily work in practice and it is hard to know when it fails. We will introduce various approaches in this article, but all of them have pitfalls, which lead to unphysical results unless we study carefully. We will explain what kinds of studies were done in the past, to what extent they succeeded, and what kinds of obstacles they encountered, and why the approaches are correct in principle can lead to wrong answers. In this way, we would like to provide lessons from the past for ambitious researchers who plan to work on the finite-density lattice QCD.</p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"127 ","pages":"Article 103991"},"PeriodicalIF":9.6,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"2703856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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: 31
Promises and challenges of high-energy vortex states collisions 高能涡旋态碰撞的前景与挑战
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2022-11-01 DOI: 10.1016/j.ppnp.2022.103987
Igor P. Ivanov
{"title":"Promises and challenges of high-energy vortex states collisions","authors":"Igor P. Ivanov","doi":"10.1016/j.ppnp.2022.103987","DOIUrl":"https://doi.org/10.1016/j.ppnp.2022.103987","url":null,"abstract":"<div><p><span>Vortex states of photons, electrons, and other particles are non-plane-wave solutions of the corresponding wave equation with helicoidal </span>wave fronts<span>. These states possess an intrinsic orbital angular momentum<span> with respect to the average propagation direction, which represents a new degree of freedom, previously unexplored in particle or nuclear collisions. Vortex states of photons, electrons, neutrons, and neutral atoms have been experimentally produced, albeit at low energies, and are being intensively explored. Anticipating future experimental progress, one can ask what additional insights on nuclei and particles one can gain once collisions of high-energy vortex states become possible. This review describes the present-day landscape of physics opportunities, experimental progress and suggestions relevant to vortex states in high energy collisions. The aim is to familiarize the community with this emergent cross-disciplinary topic and to provide a sufficiently complete literature coverage, highlighting some results and calculational techniques.</span></span></p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"127 ","pages":"Article 103987"},"PeriodicalIF":9.6,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"2703854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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: 23
Foundations and applications of quantum kinetic theory 量子动力学理论的基础和应用
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2022-11-01 DOI: 10.1016/j.ppnp.2022.103989
Yoshimasa Hidaka , Shi Pu , Qun Wang , Di-Lun Yang
{"title":"Foundations and applications of quantum kinetic theory","authors":"Yoshimasa Hidaka ,&nbsp;Shi Pu ,&nbsp;Qun Wang ,&nbsp;Di-Lun Yang","doi":"10.1016/j.ppnp.2022.103989","DOIUrl":"https://doi.org/10.1016/j.ppnp.2022.103989","url":null,"abstract":"<div><p><span>Many novel quantum phenomena emerge in non-equilibrium relativistic quantum matter under extreme conditions such as strong magnetic fields and rotations. The quantum </span>kinetic theory<span> based on Wigner functions in quantum field theory provides a powerful and effective microscopic description of these quantum phenomena. In this article we review some of recent advances in the quantum kinetic theory and its applications in describing these quantum phenomena.</span></p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"127 ","pages":"Article 103989"},"PeriodicalIF":9.6,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"2703855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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: 33
Physics with CEBAF at 12 GeV and future opportunities 物理学与CEBAF在12 GeV和未来的机会
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2022-11-01 DOI: 10.1016/j.ppnp.2022.103985
J. Arrington , M. Battaglieri , A. Boehnlein , S.A. Bogacz , W.K. Brooks , E. Chudakov , I. Cloët , R. Ent , H. Gao , J. Grames , L. Harwood , X. Ji , C. Keppel , G. Krafft , R.D. McKeown , J. Napolitano , J.W. Qiu , P. Rossi , M. Schram , S. Stepanyan , X. Zheng
{"title":"Physics with CEBAF at 12 GeV and future opportunities","authors":"J. Arrington ,&nbsp;M. Battaglieri ,&nbsp;A. Boehnlein ,&nbsp;S.A. Bogacz ,&nbsp;W.K. Brooks ,&nbsp;E. Chudakov ,&nbsp;I. Cloët ,&nbsp;R. Ent ,&nbsp;H. Gao ,&nbsp;J. Grames ,&nbsp;L. Harwood ,&nbsp;X. Ji ,&nbsp;C. Keppel ,&nbsp;G. Krafft ,&nbsp;R.D. McKeown ,&nbsp;J. Napolitano ,&nbsp;J.W. Qiu ,&nbsp;P. Rossi ,&nbsp;M. Schram ,&nbsp;S. Stepanyan ,&nbsp;X. Zheng","doi":"10.1016/j.ppnp.2022.103985","DOIUrl":"https://doi.org/10.1016/j.ppnp.2022.103985","url":null,"abstract":"<div><p><span>We summarize the ongoing scientific program of the 12 GeV Continuous Electron Beam<span> Accelerator Facility (CEBAF) and give an outlook into future opportunities. The program addresses important topics in nuclear, hadronic, and electroweak physics, including nuclear femtography, meson and </span></span>baryon<span><span> spectroscopy, quarks and gluons in nuclei, precision tests of the </span>standard model<span> and dark sector searches. Potential upgrades of CEBAF and their impact on scientific reach are discussed, such as higher luminosity, the addition of polarized and unpolarized positron beams, and doubling the beam energy.</span></span></p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"127 ","pages":"Article 103985"},"PeriodicalIF":9.6,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"1635564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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: 31
Novel approaches in hadron spectroscopy 强子光谱学的新方法
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2022-11-01 DOI: 10.1016/j.ppnp.2022.103981
Miguel Albaladejo , Łukasz Bibrzycki , Sebastian M. Dawid , César Fernández-Ramírez , Sergi Gonzàlez-Solís , Astrid N. Hiller Blin , Andrew W. Jackura , Vincent Mathieu , Mikhail Mikhasenko , Victor I. Mokeev , Emilie Passemar , Alessandro Pilloni , Arkaitz Rodas , Jorge A. Silva-Castro , Wyatt A. Smith , Adam P. Szczepaniak , Daniel Winney , (Joint Physics Analysis Center)
{"title":"Novel approaches in hadron spectroscopy","authors":"Miguel Albaladejo ,&nbsp;Łukasz Bibrzycki ,&nbsp;Sebastian M. Dawid ,&nbsp;César Fernández-Ramírez ,&nbsp;Sergi Gonzàlez-Solís ,&nbsp;Astrid N. Hiller Blin ,&nbsp;Andrew W. Jackura ,&nbsp;Vincent Mathieu ,&nbsp;Mikhail Mikhasenko ,&nbsp;Victor I. Mokeev ,&nbsp;Emilie Passemar ,&nbsp;Alessandro Pilloni ,&nbsp;Arkaitz Rodas ,&nbsp;Jorge A. Silva-Castro ,&nbsp;Wyatt A. Smith ,&nbsp;Adam P. Szczepaniak ,&nbsp;Daniel Winney ,&nbsp;(Joint Physics Analysis Center)","doi":"10.1016/j.ppnp.2022.103981","DOIUrl":"https://doi.org/10.1016/j.ppnp.2022.103981","url":null,"abstract":"<div><p>The last two decades have witnessed the discovery of a myriad of new and unexpected hadrons<span>. The future holds more surprises for us, thanks to new-generation experiments. Understanding the signals and determining the properties of the states requires a parallel theoretical effort. To make full use of available and forthcoming data, a careful amplitude modeling is required, together with a sound treatment of the statistical uncertainties, and a systematic survey of the model dependencies. We review the contributions made by the Joint Physics Analysis Center to the field of hadron spectroscopy.</span></p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"127 ","pages":"Article 103981"},"PeriodicalIF":9.6,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"3139627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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: 26
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