Progress in Particle and Nuclear Physics最新文献

筛选
英文 中文
[formula omitted]-[formula omitted] fast timing with high-performance LaBr[formula omitted](Ce) scintillators 使用高性能 LaBr[式略](Ce)闪烁体进行[式略]-[式略]快速计时
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2024-12-16 DOI: 10.1016/j.ppnp.2024.104152
J.-M. Régis, L.M. Fraile, M. Rudigier
{"title":"[formula omitted]-[formula omitted] fast timing with high-performance LaBr[formula omitted](Ce) scintillators","authors":"J.-M. Régis, L.M. Fraile, M. Rudigier","doi":"10.1016/j.ppnp.2024.104152","DOIUrl":"https://doi.org/10.1016/j.ppnp.2024.104152","url":null,"abstract":"We present a review of the electronic <mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math>-<mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math> “fast-timing” technique in combination with LaBr<mml:math altimg=\"si192.svg\" display=\"inline\"><mml:msub><mml:mrow></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:math>(Ce) scintillator detectors. The <mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math>-<mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math> fast-timing technique has increased in popularity since the commercial introduction of the LaBr<mml:math altimg=\"si192.svg\" display=\"inline\"><mml:msub><mml:mrow></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:math>(Ce) scintillators in 2005. The use of LaBr<mml:math altimg=\"si192.svg\" display=\"inline\"><mml:msub><mml:mrow></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:math>(Ce) for measurements of lifetimes of nuclear excited states has rapidly spread out over the world and also the setups have grown from a few detectors to large-scale fast-timing arrays. The LaBr<mml:math altimg=\"si192.svg\" display=\"inline\"><mml:msub><mml:mrow></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:math>(Ce) is one of the fastest scintillators available with good relative energy resolution of about 3%. Due to high energy selectivity, lifetimes of nuclear excited states down to 1 ps in the best case can be determined directly via electronic <mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math>-<mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math> time-difference measurements. The use of the high-performance LaBr<mml:math altimg=\"si192.svg\" display=\"inline\"><mml:msub><mml:mrow></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:math>(Ce) detectors made it possible to systematically investigate the <mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math>-<mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math> fast-timing technique over the total dynamic range corresponding to <mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math>-ray energies of 40 keV up to 6.8 MeV with precision of 2(1) ps. A non-linear energy-dependent time difference between the signals of full-energy peak and Compton events is given. Related to this finding, a new procedure to calibrate the time response of full-energy peak events has been introduced as well as time-correction formulae to account for the Compton contributions in the total experimental <mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math>-<mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math> time-difference distribution. We present a review of the <mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:mi></mml:math>-<mml:math altimg=\"si85.svg\" display=\"inline\"><mml:mi>γ</mml:","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"268 1","pages":""},"PeriodicalIF":9.6,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142867545","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
From density response to energy functionals and back: An ab initio perspective on matter under extreme conditions 从密度响应到能量函数,再回到密度响应:从ab initio角度看极端条件下的物质
IF 14.5 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2024-10-16 DOI: 10.1016/j.ppnp.2024.104144
Zhandos Moldabekov , Jan Vorberger , Tobias Dornheim
{"title":"From density response to energy functionals and back: An ab initio perspective on matter under extreme conditions","authors":"Zhandos Moldabekov ,&nbsp;Jan Vorberger ,&nbsp;Tobias Dornheim","doi":"10.1016/j.ppnp.2024.104144","DOIUrl":"10.1016/j.ppnp.2024.104144","url":null,"abstract":"<div><div>Energy functionals serve as the basis for different models and methods in quantum and classical many-particle physics. Arguably, one of the most successful and widely used approaches in material science at both ambient and extreme conditions is density functional theory (DFT). Various flavors of DFT methods are being actively used to study material properties at extreme conditions, such as in warm dense matter, dense plasmas, and nuclear physics applications. In this review, we focus on the warm dense matter regime, which occurs in the core of giant planets and stellar atmospheres, and as a transient state in inertial confinement fusion experiments. We discuss the connection between linear density response functions and free energy functionals as well as the utility of the linear response formalism for the construction of advanced functionals. As a new result, we derive <em>the stiffness theorem</em> linking the change in the intrinsic free energy to the density response properties of electrons. We review and summarize recent works that assess various exchange–correlation (XC) functionals for an inhomogeneous electron gas that is perturbed by a harmonic external field and for warm dense hydrogen using exact path integral quantum Monte Carlo data as an unassailable benchmark. This constitutes a valuable guide for selecting an appropriate XC functional for DFT calculations in the context of investigating the inhomogeneous electronic structure of warm dense matter. We stress that correctly simulating the strongly perturbed electron gas necessitates the correct UEG limit of the XC and non-interacting free-energy functionals.</div></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"140 ","pages":"Article 104144"},"PeriodicalIF":14.5,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142530795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Lattice perspectives on doubly heavy tetraquarks 双重四夸克的晶格视角
IF 14.5 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2024-10-05 DOI: 10.1016/j.ppnp.2024.104143
Anthony Francis
{"title":"Lattice perspectives on doubly heavy tetraquarks","authors":"Anthony Francis","doi":"10.1016/j.ppnp.2024.104143","DOIUrl":"10.1016/j.ppnp.2024.104143","url":null,"abstract":"<div><div>Doubly heavy tetraquarks have emerged as new probes to study the heavy hadron spectrum. With the experimental observation of the <span><math><mrow><msup><mrow><mi>J</mi></mrow><mrow><mi>P</mi></mrow></msup><mo>=</mo><msup><mrow><mn>1</mn></mrow><mrow><mo>+</mo></mrow></msup></mrow></math></span> <span><math><msubsup><mrow><mi>T</mi></mrow><mrow><mi>c</mi><mi>c</mi></mrow><mrow><mo>+</mo></mrow></msubsup></math></span>, they pose a unique opportunity to bring together efforts in experiment, phenomenology, and lattice QCD. In lattice calculations they are accessible as ground states, unlike hidden flavor tetraquarks, and this enables accurate determinations of the scattering parameters alongside the binding energies of these tetraquarks. Today, lattice calculations firmly predict <span><math><mrow><msup><mrow><mi>J</mi></mrow><mrow><mi>P</mi></mrow></msup><mo>=</mo><msup><mrow><mn>1</mn></mrow><mrow><mo>+</mo></mrow></msup></mrow></math></span> <span><math><msubsup><mrow><mi>T</mi></mrow><mrow><mi>b</mi><mi>b</mi></mrow><mrow><mi>u</mi><mi>d</mi></mrow></msubsup></math></span> and <span><math><msubsup><mrow><mi>T</mi></mrow><mrow><mi>b</mi><mi>b</mi></mrow><mrow><mi>u</mi><mi>s</mi></mrow></msubsup></math></span> as QCD bound states, while recent studies approaching the <span><math><mrow><msup><mrow><mi>J</mi></mrow><mrow><mi>P</mi></mrow></msup><mo>=</mo><msup><mrow><mn>1</mn></mrow><mrow><mo>+</mo></mrow></msup></mrow></math></span> <span><math><msubsup><mrow><mi>T</mi></mrow><mrow><mi>c</mi><mi>c</mi></mrow><mrow><mi>u</mi><mi>d</mi></mrow></msubsup></math></span> find it to be a virtual bound state at slightly non-physical input quark masses. Studies of the <span><math><mrow><msup><mrow><mi>J</mi></mrow><mrow><mi>P</mi></mrow></msup><mo>=</mo><msup><mrow><mn>1</mn></mrow><mrow><mo>+</mo></mrow></msup></mrow></math></span> <span><math><msubsup><mrow><mi>T</mi></mrow><mrow><mi>b</mi><mi>c</mi></mrow><mrow><mi>u</mi><mi>d</mi></mrow></msubsup></math></span> are ongoing and a new focus area. In light of these developments the evolution of this field until this point is reviewed. Emphasis is put on the methods in lattice spectroscopy that enable a robust evaluation of the lattice studies gathered. They are further reviewed towards their limitations and achievements. Current challenges and opportunities are discussed, including possibilities to approach the left-hand cut in the scattering analysis of the charm candidates and towards understanding the structure of those including two bottom quarks.</div></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"140 ","pages":"Article 104143"},"PeriodicalIF":14.5,"publicationDate":"2024-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433476","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
Hard Thermal Loop—Theory and applications 硬热环--理论与应用
IF 14.5 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2024-09-10 DOI: 10.1016/j.ppnp.2024.104136
Najmul Haque , Munshi G. Mustafa
{"title":"Hard Thermal Loop—Theory and applications","authors":"Najmul Haque ,&nbsp;Munshi G. Mustafa","doi":"10.1016/j.ppnp.2024.104136","DOIUrl":"10.1016/j.ppnp.2024.104136","url":null,"abstract":"<div><p>In this review, we present the key aspects of modern thermal perturbation theory based on the hard thermal loop (HTL) approximation, including its theoretical foundations and applications within quantum electrodynamics (QED) and quantum chromodynamics (QCD) plasmas. To maintain conciseness, we focus on scenarios in thermal equilibrium, examining a variety of physical quantities and settings. Specifically, we explore both bulk thermodynamic properties and real-time observables in high-temperature domains relevant to heavy-ion physics.</p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"140 ","pages":"Article 104136"},"PeriodicalIF":14.5,"publicationDate":"2024-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142238501","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
Relativistic hydrodynamics under rotation: Prospects and limitations from a holographic perspective 旋转下的相对论流体力学:全息视角下的前景与局限性
IF 14.5 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2024-07-26 DOI: 10.1016/j.ppnp.2024.104135
Markus A.G. Amano , Casey Cartwright , Matthias Kaminski , Jackson Wu
{"title":"Relativistic hydrodynamics under rotation: Prospects and limitations from a holographic perspective","authors":"Markus A.G. Amano ,&nbsp;Casey Cartwright ,&nbsp;Matthias Kaminski ,&nbsp;Jackson Wu","doi":"10.1016/j.ppnp.2024.104135","DOIUrl":"10.1016/j.ppnp.2024.104135","url":null,"abstract":"<div><p>The AdS/CFT correspondence, or holography, has provided numerous important insights into the behavior of strongly-coupled many-body systems. Crucially, it has provided a testing ground for the construction of new effective field theories, especially those in the low frequency, long wavelength limit known as hydrodynamics. We review the study of strongly-coupled rotating fluids using holography, and we examine the hydrodynamics emerging from the study of rotating Myers–Perry black holes. We discuss three regimes in which holographic rotating fluids display either (1) hydrodynamic behavior of a boosted fluid, (2) hydrodynamic behavior distinct from a boosted fluid, or (3) no obvious hydrodynamic behavior. We describe techniques to obtain hydrodynamic and non-hydrodynamic modes, and we compute the radius of convergence for the hydrodynamic regimes. The limitations of hydrodynamics under rotation are discussed alongside our findings.</p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"139 ","pages":"Article 104135"},"PeriodicalIF":14.5,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141910646","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
Quantum entanglement and Bell inequality violation at colliders 对撞机上的量子纠缠与贝尔不等式违反
IF 14.5 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2024-07-19 DOI: 10.1016/j.ppnp.2024.104134
Alan J. Barr , Marco Fabbrichesi , Roberto Floreanini , Emidio Gabrielli , Luca Marzola
{"title":"Quantum entanglement and Bell inequality violation at colliders","authors":"Alan J. Barr ,&nbsp;Marco Fabbrichesi ,&nbsp;Roberto Floreanini ,&nbsp;Emidio Gabrielli ,&nbsp;Luca Marzola","doi":"10.1016/j.ppnp.2024.104134","DOIUrl":"10.1016/j.ppnp.2024.104134","url":null,"abstract":"<div><p>The study of entanglement in particle physics has been gathering pace in the past few years. It is a new field that is providing important results about the possibility of detecting entanglement and testing Bell inequality at colliders for final states as diverse as top-quark, <span><math><mi>τ</mi></math></span>-lepton pairs and <span><math><mi>Λ</mi></math></span>-baryons, massive gauge bosons and vector mesons. In this review, after presenting definitions, tools and basic results that are necessary for understanding these developments, we summarize the main findings—as published by the beginning of year 2024—including analyses of experimental data in <span><math><mi>B</mi></math></span> meson decays and top-quark pair production. We include a detailed discussion of the results for both qubit and qutrits systems, that is, final states containing spin one-half and spin one particles. Entanglement has also been proposed as a new tool to constrain new particles and fields beyond the Standard Model and we introduce the reader to this promising feature as well.</p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"139 ","pages":"Article 104134"},"PeriodicalIF":14.5,"publicationDate":"2024-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0146641024000383/pdfft?md5=593263291753d6d1447f18c7b1e3da77&pid=1-s2.0-S0146641024000383-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141961451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Phenomenology of lepton masses and mixing with discrete flavor symmetries 离散味道对称的轻子质量和混合现象学
IF 14.5 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2024-06-01 DOI: 10.1016/j.ppnp.2024.104126
Garv Chauhan , P.S. Bhupal Dev , Ievgen Dubovyk , Bartosz Dziewit , Wojciech Flieger , Krzysztof Grzanka , Janusz Gluza , Biswajit Karmakar , Szymon Zięba
{"title":"Phenomenology of lepton masses and mixing with discrete flavor symmetries","authors":"Garv Chauhan ,&nbsp;P.S. Bhupal Dev ,&nbsp;Ievgen Dubovyk ,&nbsp;Bartosz Dziewit ,&nbsp;Wojciech Flieger ,&nbsp;Krzysztof Grzanka ,&nbsp;Janusz Gluza ,&nbsp;Biswajit Karmakar ,&nbsp;Szymon Zięba","doi":"10.1016/j.ppnp.2024.104126","DOIUrl":"10.1016/j.ppnp.2024.104126","url":null,"abstract":"<div><p>The observed pattern of fermion masses and mixing is an outstanding puzzle in particle physics, generally known as the <em>flavor problem</em>. Over the years, guided by precision neutrino oscillation data, discrete flavor symmetries have often been used to explain the neutrino mixing parameters, which look very different from the quark sector. In this review, we discuss the application of non-Abelian finite groups to the theory of neutrino masses and mixing in the light of current and future neutrino oscillation data. We start with an overview of the neutrino mixing parameters, comparing different global fit results and limits on normal and inverted neutrino mass ordering schemes. Then, we discuss a general framework for implementing discrete family symmetries to explain neutrino masses and mixing. We discuss CP violation effects, giving an update of CP predictions for trimaximal models with nonzero reactor mixing angle and models with partial <span><math><mrow><mi>μ</mi><mo>−</mo><mi>τ</mi></mrow></math></span> reflection symmetry, and constraining models with neutrino mass sum rules. The connection between texture zeros and discrete symmetries is also discussed. We summarize viable higher-order groups, which can explain the observed pattern of lepton mixing where the non-zero <span><math><msub><mrow><mi>θ</mi></mrow><mrow><mn>13</mn></mrow></msub></math></span> plays an important role. We also review the prospects of embedding finite discrete symmetries in the Grand Unified Theories and with extended Higgs fields. Models based on modular symmetry are also briefly discussed. A major part of the review is dedicated to the phenomenology of flavor symmetries and possible signatures in the current and future experiments at the intensity, energy, and cosmic frontiers. In this context, we discuss flavor symmetry implications for neutrinoless double beta decay, collider signals, leptogenesis, dark matter, as well as gravitational waves.</p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"138 ","pages":"Article 104126"},"PeriodicalIF":14.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141414756","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
Multifaceted character of shape coexistence phenomena in atomic nuclei 原子核形状共存现象的多面性
IF 14.5 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2024-05-29 DOI: 10.1016/j.ppnp.2024.104119
S. Leoni , B. Fornal , A. Bracco , Y. Tsunoda , T. Otsuka
{"title":"Multifaceted character of shape coexistence phenomena in atomic nuclei","authors":"S. Leoni ,&nbsp;B. Fornal ,&nbsp;A. Bracco ,&nbsp;Y. Tsunoda ,&nbsp;T. Otsuka","doi":"10.1016/j.ppnp.2024.104119","DOIUrl":"10.1016/j.ppnp.2024.104119","url":null,"abstract":"<div><p>This article is devoted to a review of decay properties of excited 0<span><math><msup><mrow></mrow><mrow><mo>+</mo></mrow></msup></math></span> states in regions of the nuclear chart well known for shape coexistence phenomena. Even–even isotopes around the Z=20 (Ca), 28 (Ni), 50 (Sn), 82 (Pb) proton shell closures and along the Z=36 (Kr), Z=38 (Sr) and Z=40 (Zr) isotopic chains are mainly discussed. The aim is to identify examples of <em>extreme shape coexistence</em>, namely highly deformed structures, well localized in the Potential Energy Surface in the deformation space, which could lead to <span><math><mi>γ</mi></math></span> decays substantially hindered. This is in analogy to the 0<span><math><msup><mrow></mrow><mrow><mo>+</mo></mrow></msup></math></span> fission shape isomers in the actinides region and to the superdeformed (SD) states at the decay-out spin in medium/heavy mass systems. In this survey, the Hindrance Factor (HF) of the E2 transitions de-exciting 0<span><math><msup><mrow></mrow><mrow><mo>+</mo></mrow></msup></math></span> states or SD decay-out states is a primary quantity which is used to differentiate between types of shape coexistence. The 0<span><math><msup><mrow></mrow><mrow><mo>+</mo></mrow></msup></math></span> states, examined with the help of the hindrance factor, reveal a multifaceted scenario of shape coexistence. A limited number of 0<span><math><msup><mrow></mrow><mrow><mo>+</mo></mrow></msup></math></span> excitations (in the Ni, Sr, Zr and Cd regions) exhibit large HF values (<span><math><mo>&gt;</mo></math></span>10), some of which are associated with the clear separation of coexisting wave functions, while in most cases the decay is not hindered, due to the mixing between different configurations. Comparisons with theory predictions based on various models are also presented, some of which shed light on the microscopic structure of the considered states and the origin of the observed hindrances. The impact of shape ensembles at finite temperature on the decay properties of highly-excited states (Giant Dipole Resonances) is also discussed. This research area offers a complementary approach for identifying regions where extreme shape coexistence phenomena may appear.</p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"139 ","pages":"Article 104119"},"PeriodicalIF":14.5,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0146641024000231/pdfft?md5=11c111bcea2c76459e17a8aca56a3023&pid=1-s2.0-S0146641024000231-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141984597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Recent advances in chiral EFT based nuclear forces and their applications 基于手性 EFT 的核力及其应用的最新进展
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2024-05-01 DOI: 10.1016/j.ppnp.2024.104117
R. Machleidt, F. Sammarruca
{"title":"Recent advances in chiral EFT based nuclear forces and their applications","authors":"R. Machleidt,&nbsp;F. Sammarruca","doi":"10.1016/j.ppnp.2024.104117","DOIUrl":"https://doi.org/10.1016/j.ppnp.2024.104117","url":null,"abstract":"<div><p>During the past two decades, chiral effective field theory has evolved into a powerful tool to derive nuclear forces from first principles. Nearly all two-nucleon interactions have been worked out up to sixth order of chiral perturbation theory, while, with few exceptions, three-nucleon forces, which play a subtle, but crucial role in microscopic nuclear structure calculations, have been derived up to fifth order. We review the current status of these forces as well as their applications in nuclear many-body systems. While the <em>ab initio</em> description of light nuclei is generally very successful, we point out and analyze problems encountered with medium-mass nuclei. We also survey the construction of equations of state for symmetric nuclear matter and neutron-rich matter based on chiral forces. A focal point is the symmetry energy and its impact on neutron skins and systems of astrophysical relevance. The physics of neutron-rich systems, from nuclei to compact stars, is essentially determined by the density dependence of the symmetry energy. We review the status of predictions in comparison with latest empirical constraints, with particular attention to those extracted from parity-violating electron scattering.</p></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"137 ","pages":"Article 104117"},"PeriodicalIF":9.6,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140901290","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
Lowest-lying 12− and 32− ΛQ resonances: From the strange to the bottom sectors 地势最低的 12-
IF 9.6 2区 物理与天体物理
Progress in Particle and Nuclear Physics Pub Date : 2024-05-01 DOI: 10.1016/j.ppnp.2024.104118
J. Nieves , A. Feijoo , M. Albaladejo , Meng-Lin Du
{"title":"Lowest-lying 12− and 32− ΛQ resonances: From the strange to the bottom sectors","authors":"J. Nieves ,&nbsp;A. Feijoo ,&nbsp;M. Albaladejo ,&nbsp;Meng-Lin Du","doi":"10.1016/j.ppnp.2024.104118","DOIUrl":"10.1016/j.ppnp.2024.104118","url":null,"abstract":"&lt;div&gt;&lt;p&gt;We present a detailed study of the lowest-lying &lt;span&gt;&lt;math&gt;&lt;msup&gt;&lt;mrow&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;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/math&gt;&lt;/span&gt; and &lt;span&gt;&lt;math&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mfrac&gt;&lt;mrow&gt;&lt;mn&gt;3&lt;/mn&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;/mfrac&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/math&gt;&lt;/span&gt; &lt;span&gt;&lt;math&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Λ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;Q&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;/math&gt;&lt;/span&gt; resonances both in the heavy quark (bottom and charm) and the strange sectors. We have paid special attention to the interplay between the constituent quark-model and chiral baryon–meson degrees of freedom, which are coupled using a unitarized scheme consistent with leading-order heavy quark symmetries. We show that the &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Λ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;b&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;5912&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; [&lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;J&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;P&lt;/mi&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;mo&gt;/&lt;/mo&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;], &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Λ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;b&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;5920&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; [&lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;J&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;P&lt;/mi&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;3&lt;/mn&gt;&lt;mo&gt;/&lt;/mo&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;] and the &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Λ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;c&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;2625&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; [&lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;J&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;P&lt;/mi&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;3&lt;/mn&gt;&lt;mo&gt;/&lt;/mo&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;], and the &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;Λ&lt;/mi&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;1520&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; [&lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;J&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;P&lt;/mi&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;3&lt;/mn&gt;&lt;mo&gt;/&lt;/mo&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;] admitting larger breaking corrections, are heavy-quark spin-flavor siblings. They can be seen as dressed quark-model states with &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msubsup&gt;&lt;mrow&gt;&lt;mi&gt;Σ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;Q&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mo&gt;∗&lt;/mo&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/msubsup&gt;&lt;mi&gt;π&lt;/mi&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; molecular components of the order of 30%. The &lt;span&gt;&lt;math&gt;&lt;msup&gt;&lt;mrow&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;J&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;P&lt;/mi&gt;&lt;/mrow&gt;&lt;/msup&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;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/math&gt;&lt;/span&gt; &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Λ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;c&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;2595&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; has, however, a higher molecular probability of at least 50%, and even values greater than 70% can be easily accommodated. This is because it is located almost on top of the threshold of the &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;Σ&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;c&lt;/m","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"137 ","pages":"Article 104118"},"PeriodicalIF":9.6,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S014664102400022X/pdfft?md5=a74cfae6b68b3033f1ce0de759850d6b&pid=1-s2.0-S014664102400022X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141033970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信