Latest in nucl-th

total 37487took 0.12s
Vortices in low-density neutron matter and cold Fermi gasesMar 15 2019Cold gas experiments can be tuned to achieve strongly-interacting regimes such as that of low-density neutron matter found in neutron stars crusts. We report $T$=0 diffusion Monte Carlo results for the ground state of both spin-1/2 fermions with short ... More
$γ$-rigid triaxial nuclei in the presence of a minimal length via a quantum perturbation methodMar 15 2019In this work, we derive a closed solution of the Shr$ \ddot{o} $dinger equation for Bohr Hamiltonien within the minimal length formalism. This formalism is inspired by Heisenberg algebra and a generlized uncertainty principle (GUP), applied to the geometrical ... More
Relating eccentricity fluctuations to density fluctuations in heavy-ion collisionsMar 15 2019The magnitude of anisotropic flow in a nucleus-nucleus collision is determined by the energy density field, $\rho(x,y,z)$, created right after the collision occurs. Specifically, elliptic flow, $v_2$, and triangular flow, $v_3$, are proportional to the ... More
Monopole moments and the $β$-vibration in deformed nucleiMar 14 2019I revisit the theory of the \b{eta}-vibration in deformed nuclei focusing on the transition matrix elements to the ground band. The relation between monopole and quadrupole matrix elements is derived from an incompressibility assumption and is validated ... More
Self-consistent calculation of the reactor antineutrino spectra including forbidden transitionsMar 14 2019With the goal of determining the $\theta_{13}$ neutrino oscillation mixing angle, the measurements of reactor antineutrino fluxes at the Double Chooz, RENO and Daya Bay experimental facilities have uncovered a systematic discrepancy between the number ... More
A complete set of in-medium splitting functions to any order in opacityMar 14 2019In this Letter we report the first calculation of all ${\cal O}(\alpha_s)$ medium-induced branching processes to any order in opacity. Our splitting functions results are presented as iterative solutions to matrix equations with initial conditions set ... More
Hadron transverse momentum distributions of the Tsallis normalized and unnormalized statisticsMar 14 2019The exact analytical formulas for the transverse momentum distributions of the Bose-Einstein, Fermi-Dirac and Maxwell-Boltzmann statistics of particles with nonzero mass in the framework of the Tsallis normalized and Tsallis unnormalized (also known as ... More
Discovery potential of multi-ton xenon detectors in neutrino electromagnetic propertiesMar 14 2019Next-generation xenon detectors with multi-ton-year exposure are powerful direct probes of dark matter candidates, in particular the favorite weakly-interacting massive particles. Coupled with the features of low thresholds and backgrounds, they are also ... More
Photon induced processes in semi-central nucleus-nucleus collisionsMar 14 2019We calculate total and differential cross sections for $J/\psi$ photoproduction in ultrarelativistic lead-lead collisions at the LHC energy $\sqrt{s_{NN}}=2.76$ TeV. We use a simple model based on vector dominance picture and multiple scattering of the ... More
Universal scaling of conserved charge in the stochastic diffusion dynamicsMar 14 2019In this paper, we explore the Kibble-Zurek scaling of the conserved charge, using the stachastic diffusion dynamics. After determining the characteristic scales $\tau_{kz}$ and $l_{kz}$ and properly rescaling the traditional correlation function and cumulant, ... More
Constraining compact star properties with nuclear saturation parametersMar 14 2019A set of nuclear equation of states (EoS) derived from density-dependent relativistic density functional theory and constrained by terrestrial experiments, astrophysical observations, in particular by the GW170817 event, and chiral effective field ($\chi$EFT) ... More
Symmetry energy at supra-saturation densities via the Gravitational Waves from GW170817Mar 14 2019Motivated by the historical detection of gravitational waves from GW170817, the neutron star and the neutron drop, i.e., a certain number of neutrons confined in an external field, are systematically investigated by ab initio calculations as well as the ... More
All the Fun of the FAIR: Fundamental physics at the Facility for Antiproton and Ion ResearchMar 13 2019The Facility for Antiproton and Ion Research (FAIR) will be the accelerator-based flagship research facility in many basic sciences and their applications in Europe for the coming decades. FAIR will open up unprecedented research opportunities in hadron ... More
Estimates of hyperon polarization in heavy-ion collisions at collision energies $\sqrt{s_{NN}}=$ 4--40 GeVMar 13 2019Global polarization of $\Lambda$ and $\bar{\Lambda}$ hyperons in Au+Au collisions at collision energies $\sqrt{s_{NN}}=$ 4-40 GeV in the midrapidity region and total polarization, i.e. averaged over all rapidities, are studied within the scope of the ... More
Estimates of hyperon polarization in heavy-ion collisions at collision energies $\sqrt{s_{NN}}=$ 4--40 GeVMar 13 2019Mar 18 2019Global polarization of $\Lambda$ and $\bar{\Lambda}$ hyperons in Au+Au collisions at collision energies $\sqrt{s_{NN}}=$ 4-40 GeV in the midrapidity region and total polarization, i.e. averaged over all rapidities, are studied within the scope of the ... More
High Precision Measurement of Compton Scattering in the 5 GeV regionMar 13 2019Mar 15 2019The cross section of atomic electron Compton scattering $\gamma + e \rightarrow \gamma^\prime + e^\prime $ was measured in the 4.40--5.475 GeV photon beam energy region by the {\em PrimEx} collaboration at Jefferson Lab with an accuracy of 2\% and less. ... More
High Precision Measurement of Compton Scattering in the 5 GeV regionMar 13 2019The cross section of atomic electron Compton scattering $\gamma + e \rightarrow \gamma^\prime + e^\prime $ was measured in the 4.40--5.475 GeV photon beam energy region by the {\em PrimEx} collaboration at Jefferson Lab with an accuracy of 2\% and less. ... More
More on the universal equation for Efimov statesMar 13 2019Efimov states are a sequence of shallow three-body bound states that arise when the two-body scattering length is much larger than the range of the interaction. The binding energies of these states are described as a function of the scattering length ... More
Opportunities for Nuclear Physics & Quantum Information ScienceMar 13 2019This whitepaper is an outcome of the workshop Intersections between Nuclear Physics and Quantum Information held at Argonne National Laboratory on 28-30 March 2018 [www.phy.anl.gov/npqi2018/]. The workshop brought together 116 national and international ... More
Heavy ion charge exchange reactions and the link with beta decay processesMar 13 2019Within the DWBA framework, we develop a theoretical description of single and double heavy ion charge exchange (CE) reactions. We show that absorption effects are particularly important for heavy ion reactions, leading to a noticeable reduction of the ... More
Non-relativistic conformal symmetry in nuclear structure and relations with the unitarity limitMar 13 2019The Interacting Boson Model of nuclear structure is introduced to the unitarity limit. Non relativistic conformal symmetry creates a scale invariant state from which the stationary states of atomic nuclei are obtained. A brief discussion of the nature ... More
Extensivity, entropy current, area law and Unruh effectMar 13 2019We present a general method to determine the entropy current of relativistic matter at local thermodynamic equilibrium in quantum statistical mechanics. Provided that the local equilibrium operator is bounded from below, it is proved that, in general, ... More
Systematic study of unfavored $\mathcalα$ decay half-lives of closed shell nuclei related to ground and isomeric statesMar 13 2019In present work, the unfavored $\mathcal{\alpha}$ decay half-lives and $\mathcal{\alpha}$ preformation probabilities of closed shell nuclei related to ground and isomeric states around $Z=82$, $N=82$ and 126 shell closures are investigated by adopting ... More
Local chiral EFT potentials in nuclei and neutron matter: results and issuesMar 12 2019In recent years, the combination of advanced quantum Monte Carlo (QMC) methods and local interactions derived from chiral effective field theory (EFT) has been shown to provide a versatile and systematic approach to nuclear systems. Calculations at next-to-next-to-leading ... More
Exploring the influence of bulk viscosity of QCD on dilepton tomographyMar 12 2019Signals of collective behavior originating from hadronic and electromagnetic radiation in heavy-ion collisions has been widely used to study the properties of the the Quark-Gluon Plasma (QGP). Indeed this collectivity, as measured by anisotropic flow ... More
On the spin-observables in pseudoscalar meson photoproductionMar 12 2019Spin-observables in pseudoscalar meson photoproduction is discussed. This work is complementary to the earlier works on this topic. Here, the reaction amplitude is expressed in Pauli-spin basis which allows to calculate all the observables straightforwardly. ... More
The $ss \bar s \bar s$ tetraquark states and the newly observed structure $X(2239)$ by BESIII CollaborationMar 12 2019We investigate the mass spectrum of the $ss \bar s \bar s$ tetraquark states within the relativized quark model. By solving the Schr\"{o}dinger-like equation with the relativized potential, the masses of the $S-$ and $P-$wave $ss \bar s \bar s$ tetraquarks ... More
Unified equations of state for cold non-accreting neutron stars with Brussels-Montreal functionals. I. Role of symmetry energyMar 12 2019The theory of the nuclear energy-density functional is used to provide a unified and thermodynamically consistent treatment of all regions of cold non-accreting neutron stars. In order to assess the impact of our lack of complete knowledge of the density ... More
The tidal deformability of an anisotropic compact star: Implications of GW170817Mar 12 2019We use gravitational wave (GW) and electromagnetic (EM) observations of GW170817 to constrain the extent of pressure anisotropy in it. While it is quite likely that the pressure inside a neutron star is mostly isotropic, certain physical processes or ... More
Suitable resolution for EOS tables in neutron star investigationMar 12 2019Inasmuch as the hydrostatic structure of interior neutron stars uniquely depends on the equation of state (EOS), the inverse constraints on EOS from astrophysical observation have been important methods to reveal the properties of the high-density matter. ... More
The chiral phase transition temperature in (2+1)-flavor QCDMar 12 2019We present a lattice QCD based determination of the chiral phase transition temperature in QCD with two degenerate, massless quarks and a physical strange quark mass. We propose and calculate two novel estimators for the chiral transition temperature ... More
Potential model for nuclear astrophysical fusion reactions with a square-well potentialMar 12 2019The potential model for nuclear astrophysical reactions requires a considerably shallow nuclear potential when a square-well potential is employed to fit experimental data. We discuss the origin of this apparently different behavior from that obtained ... More
Probe Chiral Magnetic Effect with Signed Balance FunctionMar 11 2019In this paper we propose a pair of observables as alternative ways to study the charge separation induced by Chiral Magnetic Effect (CME) in relativistic heavy ion collisions. They are, the out-of-plane to in-plane ratio of fluctuation of the difference ... More
The Role of Baryon Number Conservation in Measurements of FluctuationsMar 11 2019I discuss the role and impact of net-baryon number conservation in measurements of net proton fluctuations in heavy-ion collisions. I show that the magnitude of the fluctuations is entirely determined by the strength of two particle correlations. At LHC ... More
Ab initio optical potentials and nucleon scattering on medium mass nucleiMar 11 2019We derive ab initio optical potentials from self-consistent Green's function (SCGF) theory and compute the elastic scattering of neutrons off oxygen and calcium isotopes. The comparison with scattering data is satisfactory at low scattering energies. ... More
The Dynamical Diquark Model: First Numerical ResultsMar 11 2019We produce the first numerical predictions of the dynamical diquark model of multiquark exotic hadrons. Using Born-Oppenheimer potentials calculated numerically on the lattice, we solve coupled and uncoupled systems of Schroedinger equations to obtain ... More
Quark fragmentation as a probe of dynamical mass generationMar 11 2019We address the propagation and hadronization of a struck quark by studying the gauge invariance of the color-averaged cut quark propagator, and by relating this to the single inclusive quark fragmentation correlator by means of new sum rules. Using suitable ... More
Doubly Heavy Baryons Expanded in $1/m_Q$Mar 11 2019Starting from the semirelativistic Hamiltonian for a doubly heavy baryon system ($QQq$) with Coulomb and linear confining scalar potentials, and operating the naive Foldy-Wouthuysen-Tani transformation on two heavy quarks, I construct a formulation how ... More
Three-body problem with velocity-dependent optical potentials: a case of $(d,p)$ reactionsMar 11 2019The change in mass of a nucleon, arising from its interactions with other nucleons inside the target, results in velocity-dependent terms in the Schr\"odinger equation that describes nucleon scattering. It has recently been suggested in a number of publications ... More
On calculating response functions via their Lorentz integral transformsMar 11 2019The accuracy of reconstruction of a response function from its Lorentz integral transform is studied in an exactly solvable model. An inversion procedure is elaborated in detail and features of the procedure are studied. Unlike results in the literature ... More
Rainbows in the QCD phase diagramMar 11 2019We study the phase diagram of strongly interacting matter with light quarks using a recently proposed, small parameter approach to infrared QCD in the Landau gauge. This is based on an expansion with respect to both the inverse number of colors and the ... More
Transverse Momentum Spectra of Pions at LHC EnergiesMar 11 2019In order to characterize the transverse momentum spectra of positive pions measured in the ALICE experiment, two thermal approaches are utilized; one is based on degeneracy of non-perfect Bose-Einstein gas and the other imposes an {\it ad-hoc} finite ... More
Analysis of nuclear structure in a converging expansion schemeMar 11 2019In the framework of the KIDS generalized energy density functional (EDF), the nuclear equation of state (EoS) is expressed as an expansion in powers of the Fermi momentum or the cubic root of the density ($\rho^{1/3}$). Although an optimal number of converging ... More
Cold dilute nuclear matter with $α$-particle condensation in a generalized nonlinear relativistic mean-field modelMar 11 2019We explore the thermodynamic properties of homogeneous cold nuclear matter including nucleons and $\alpha$-particle condensation at low densities by using a generalized nonlinear relativistic mean-field (gNL-RMF) model. In the gNL-RMF model, the $\alpha$-particle ... More
Cluster structure of light nucleiMar 10 2019We review recent studies of the cluster structure of light nuclei within the framework of the algebraic cluster model (ACM) for nuclei composed of k alpha-particles and within the framework of the cluster shell model (CSM) for nuclei composed of k alpha-particles ... More
Multiparticle production in proton-carbon collisions at $p_{Lab}=31$ GeV/$c$Mar 10 2019The momentum spectra of charged pions ($\pi^+$ and $\pi^-$) and kaons ($K^+$ and $K^-$), as well as protons ($p$), produced in the beam protons induced collisions in a 90-cm-long graphite target [proton-carbon ($p$-C) collisions] at the beam momentum ... More
Electrical conductivity and Hall conductivity of hot and dense hadron gas in a magnetic field: a relaxation time approachMar 10 2019We estimate the electrical conductivity and the Hall conductivity of hot and dense hadron gas using the relaxation time approximation of the Boltzmann transport equation in the presence of electromagnetic field. We have investigated the temperature and ... More
Spectroscopic Assignments of the Excited $B$-MesonsMar 09 2019Excited $B$-mesons have been observed by the D0, CDF, LHCb and CMS experiments. We use the predictions of the relativized quark model to make quark model spectroscopic assignments for these states. We identify the $B_2^*(5747)$ and $B_1(5721)$ as the ... More
Maximum Mass of Hybrid Stars in the Quark Bag ModelMar 09 2019The effect of model parameters in the equation of state for quark matter on the magnitude of the maximum mass of hybrid stars is examined. Quark matter is described in terms of the extended MIT bag model including corrections for one-gluon exchange. For ... More
Dimensional effects in Efimov physicsMar 09 2019Efimov physics is drastically affected by the change of spatial dimensions. Efimov states occur in a tridimensional (3D) environment, but disappear in two (2D) and one (1D) dimensions. In this paper, dedicated to the memory of Prof. Faddeev, we will review ... More
Neutrino pion-production on a nucleonMar 08 2019Heavy baryon chiral perturbation theory ($\chi$PT), where the $\Delta$ resonance is included, is used in order to examine the axial charged-current component of the weak interaction process at low neutrino energies. At leading chiral order the Adler theorems, ... More
Hard dilepton production in presence of a weakly magnetized hot QCD mediumMar 08 2019We have computed hard dilepton production rate from a weakly magnetized deconfined QCD medium within one loop photon self energy by considering one hard and one thermomagnetic resummed quark propagator in the loop. In presence of the magnetic field the ... More
The Equation of State and Cooling of Hyperonic Neutron StarsMar 08 2019We present two recent parametrizations of the equation of state (FSU2R and FSU2H models) that reproduce the properties of nuclear matter and finite nuclei, fulfill constraints on high-density matter stemming from heavy-ion collisions, produce 2$M_{\odot}$ ... More
Multi-chiral facets in symmetry restored states: Five chiral doublets candidates in even-even nucleus $^{136}$NdMar 08 2019A triaxial projected shell model including configurations with more than four quasiparticles in the configuration space is developed, and applied to investigate the recently reported five chiral doublets candidates in a single even-even nucleus $^{136}$Nd. ... More
Mathematical aspects of the nuclear glory phenomenon; backward focusing and Chebyshev polynomialsMar 08 2019The angular dependence of the cumulative particles production off nuclei near the kinematical boundary for multistep process is defined by characteristic polynomials in angular variables, describing spatial momenta of the particles in intermediate and ... More
Mapping neutron star data to the equation of state of the densest matter using the deep neural networkMar 08 2019We utilize the deep neural network with supervised learning to estimate an equation of state of the densest matter in nature realized in the neutron star cores. We input observational data from 14 neutron stars into the trained neural network and find ... More
Suddenly shortened half-lives beyond $^{78}$Ni: $N=50$ magic number and high-energy non-unique first-forbidden transitionsMar 08 2019$\beta$-decay rates play a decisive role in understanding the nucleosynthesis of heavy elements and are governed by microscopic nuclear-structure information. A sudden shortening of the half-lives of Ni isotopes beyond $N=50$ was observed at the RIKEN-RIBF. ... More
Update of a Multi-Phase Transport Model with Modern Parton Distribution Functions and Nuclear ShadowingMar 08 2019A multi-phase transport (AMPT) model has been successful in explaining a wide range of observables in relativistic heavy ion collisions. In this work, we implement a modern set of free proton parton distribution functions and an impact parameter-dependent ... More
Density-dependent NN-interaction from subleading chiral 3N-forces: Long-range termsMar 07 2019We derive from the subleading contributions to the chiral three-nucleon force (long-range terms, published in Phys.\,Rev.\,C\,77, 064004 (2008)) a density-dependent two-nucleon interaction $V_\text{med}$ in isospin-symmetric, spin-saturated nuclear matter. ... More
Exact solution for the non-equilibrium attractor in number-conserving relaxation time approximationMar 07 2019We extend previous studies of the conformal 0+1d kinetic non-equilibrium attractor in relaxation time approximation by enforcing number conservation through the introduction of a dynamical fugacity (chemical potential). We derive two coupled integral ... More
Pairing effects on neutron matter equation of state and symmetry energy at subsatruation densitiesMar 07 2019Within the framework of BCS theory and Skyrme-Hartree-Fock model, we employ various microscopic pairing gaps and effective pairing interactions to study pairing effects on the equation of state (EOS) of neutron matter and the symmetry energy at subsaturation ... More
Hybrid Stars in the Framework of the Local Nambu - Jona-Lasinio Model for Quark MatterMar 07 2019The integral parameters of neutron stars are studied taking into account the hadron-quark phase transition, which leads to the formation of a core of quark matter in the central part of a star. The quark matter is described using the local Nambu - Jona-Lasinio ... More
Low-momentum pion enhancement from schematic hadronization of a gluon-saturated initial stateMar 07 2019We study the particle production in the early stage of the ultrarelativistic heavy-ion collisions. To this end the Boltzmann kinetic equations for gluons and pions with elastic rescattering are considered together with a simple model for the parton-hadron ... More
Effect of in-medium mass-shift on transverse-momentum spectrum and elliptic anisotropy of $φ$ mesonMar 07 2019We study the effect of in-medium mass-shift on transverse-momentum spectrum and elliptic anisotropy of $\phi$ meson. It is found that the mass-shift improves the $\phi$ yields and suppresses the elliptic flow v2 in large momentum region, and the effect ... More
On formal scattering theory for differential Faddeev equationsMar 07 2019The formal scattering theory is developed for the three-particle differential Faddeev equations. The theory is realised along the same line as in the standard two-body case. The solution of the scattering problem is expressed in terms of the matrix T-operator ... More
Another walk through the world of chiral dynamicsMar 07 2019Chiral dynamics is a pretty mature field. Nonetheless, there are many exciting new developments. In this opening talk, I consider S-wave, isospin-zero pion-pion scattering and the calculation of the width of the lightest baryon resonances at two loops. ... More
Bound states of relativistic natureMar 07 2019Bethe-Salpeter equation, for massless exchange and large fine structure constant $\alpha>\pi/4$, in addition to the Balmer series, provides another (abnormal) series of energy levels which are not given by the Schr\"odinger equation. So strong field can ... More
Liquid-Gas phase transition in nucleiMar 07 2019This review article takes stock of the progress made in understanding the phase transition in hot nuclei and highlights the coherence of observed signatures
Gravitational form factors of a spin one particleMar 07 2019We define the form factors of the quark and gluon symmetric energy-momentum tensor (EMT). The static EMT is related to the spatial distributions of energy, spin, pressure and shear forces. They are obtained in the form of a multipole expansion. The relations ... More
Confinement from Correlated Instanton-Dyon Ensemble in SU(2) Yang-Mills TheoryMar 07 2019We study the confinement phase transition in $SU(2)$ Yang-Mills theory, based on a statistical ensemble model of correlated instanton-dyons. We show for the first time that such a model provides a quantitative description, in light of the lattice data, ... More
Photoproduction of charged final states in ultra-peripheral collisions and electroproduction at an electron-ion colliderMar 07 2019Ultra-peripheral collisions (UPCs) of relativistic ions are an important tool for studying photoproduction at high energies. Vector meson photoproduction is an important tool for nuclear structure measurements and other applications. A future electron-ion ... More
Scattering matrix pole expansions & invariance with respect to R-matrix parametersMar 06 2019Nuclear data libraries (ENDF, JEFF, JENDL, CENDL, etc.) document our phenomenological knowledge of nuclear cross sections as interpreted by R-matrix theory. The R-matrix scattering model can parameterize the energy dependence of the scattering matrix ... More
Photon radiation in hot nuclear matter by means of chiral anomaliesMar 06 2019A new mechanism of photon emission in the quark-gluon plasma is proposed. Photon dispersion relation in the presence of the $CP$-odd topological regions generated by the chiral anomaly acquires an imaginary mass. It allows photon radiation through the ... More
Universal behavior of p-wave proton-proton fusion near thresholdMar 06 2019We calculate the p-wave contribution to the proton-proton fusion S-factor and its energy derivative in pionless effective field theory up to next-to-leading order. The leading contributions are given by a recoil piece from the Gamow-Teller and Fermi operators, ... More
A statistical analysis of the nuclear structure uncertainties in $μ$DMar 06 2019The charge radius of the deuteron (D), was recently determined to three times the precision compared with previous measurements using the measured Lamb shift in muonic deuterium (muD). However, the muD value is 5.6 $\sigma$ smaller than the world averaged ... More
Effects of quantum statistics near the critical point of nuclear matterMar 06 2019Effects of quantum statistics for nuclear matter equation of state are analyzed in terms of the recently proposed quantum van der Waals model. The system pressure is expanded over a small parameter $\delta \propto n(mT)^{-3/2}[g(1-bn)]^{-1}$, where $n$ ... More
Monitoring of the eclipsing Wolf-Rayet ULX in the Circinus galaxyMar 06 2019We studied the eclipsing ultraluminous X-ray source CG X-1 in the Circinus galaxy, re-examining two decades of {\it Chandra} and {\it XMM-Newton} observations. The short binary period (7.21 hr) and high luminosity ($L_{\rm X} \approx 10^{40}$ erg s$^{-1}$) ... More
Volume fluctuation and multiplicity correlation on higher-order cumulantsMar 06 2019Initial volume fluctuation (VF) arising from the participant fluctuation would be the background which should be subtracted experimentally from the measured higher-order cumulants. We study the validity of the Volume Fluctuation Correction (VFC) on higher-order ... More
Hadron tomography for pion and its gravitational form factorsMar 06 2019Generalized parton distributions (GPDs) are three-dimensional structure functions of hadrons, and they can reveal the orbital-angular-momentum contributions to the nucleon spin. Therefore, GPDs are important for solving the proton spin puzzle. The generalized ... More
In-medium heavy quarkonium from lattice NRQCDMar 06 2019We present the final results from a multi-year study of the in-medium spectral properties of heavy quarkonium bound states on the lattice. In this work we combine high statistics $N_f=2+1$ ensembles from the HotQCD collaboration with the effective theory ... More
Bayesian techniques and applications to QCDMar 06 2019Realizing the full potential of interconnecting the large amounts of data created in physics experiments, phenomenological models and theory simulations requires robust tools for statistical inference. Here I review a particularly promising branch, Bayesian ... More
Photoproduction of $K^{+}Λ$ with a Regge-plus-resonance modelMar 06 2019Making use of the hybrid Regge-plus-resonance model, we investigate the process of kaon photoproduction off the proton target. We present a new model whose free parameters were adjusted to data in and above the resonance region and which provides an acceptable ... More
The symmetry energy of the nuclear EoS: a study of collective motion and low-energy reaction dynamics in semiclassical approachesMar 06 2019Mar 08 2019In the framework of mean-field based transport approaches, we discuss recent results concerning collective motion and low-energy heavy ion reactions involving neutron-rich systems. We focus on aspects which are particularly sensitive to the isovector ... More
The symmetry energy of the nuclear EoS: a study of collective motion and low-energy reaction dynamics in semiclassical approachesMar 06 2019In the framework of mean-field based transport approaches, we discuss recent results concerning collective motion and low-energy heavy ion reactions involving neutron-rich systems. We focus on aspects which are particularly sensitive to the isovector ... More
Analytic Solution of Multi-Dimensional Schrodinger in Hot and Dense QCD Media Using SUSYQM MethodMar 06 2019The N-radial Schr\"odinger equation is analytically solved by using SUSYQM method, in which the heavy quarkonia potential is introduced at finite temperature and baryon chemical potential. The energy eigenvalue is calculated in the N-dimensional space. ... More
A semi-classical transport equation for the chiral quarks surrounding a SU(2) t'Hooft-Polyakov monopoleMar 06 2019A transport equation of the representative quasi-particles is derived, by solving Dirac (or Dyson) equations under the semi-classical approximation, for describing the entangled motions of the red and blue chiral quarks in the vicinity of a SU(2) t'Hooft-Polyakov ... More
Electromagnetic couplings of pentaquarksMar 05 2019In this contribution, we discuss the electromagnetic couplings of pentaquark states with hidden charm. This work is motivated by recent experiments at CERN by the LHCb Collaboraton and current experiments at JLab to confirm the existence of hidden-charm ... More
Odd-mass nuclei in the cluster shell modelMar 05 2019In this contribution, we present the cluster shell model which is analogous to the Nilsson model, but for cluster potentials. Special attention is paid to the consequences of the discrete symmetries of three alpha-particles in an equilateral triangle ... More
Factorization of jet cross sections in heavy-ion collisionsMar 05 2019We propose a new phenomenological approach to establish QCD factorization of jet cross sections in the heavy-ion environment. Starting from a factorization formalism in proton-proton collisions, we introduce medium modified jet functions to capture the ... More
Influence of orthogonalization procedure on astrophysical S-factor for the direct $α+d$ $\rightarrow$ $^6$Li + $γ$ capture process in a three-body modelMar 05 2019The astrophysical S-factor for the direct $ \alpha(d,\gamma)^{6}{\rm Li}$ capture reaction is calculated in a three-body model based on the hyperspherical Lagrange-mesh method. A sensitivity of the E1 and E2 astrophysical S-factors to the orthogonalization ... More
Sensitivity of elastic electron scattering off the 3He to the nucleon form factorsMar 05 2019Elastic electron-3He scattering is studied in the relativistic impulse approximation. The amplitudes for the three-nucleon system - 3He - are obtained by solving the relativistic generalization of the Faddeev equation. The charge and magnetic form factor ... More
Solving the three-body bound-state Bethe-Salpeter equation in Minkowski spaceMar 05 2019The scalar three-body Bethe-Salpeter equation, with zero-range interaction, is solved in Minkowski space by direct integration of the four-dimensional integral equation. The singularities appearing in the propagators are treated properly by standard analytical ... More
Axial Kinetic Theory for Massive FermionsMar 05 2019We derive the quantum kinetic theory for massive fermions in a background electromagnetic field from the Wigner-function approach. Since spin of massive fermions is a dynamical degree of freedom, the kinetic equations with the leading-order quantum corrections ... More
Resonance width for a particle-core coupling model with a square-well potentialMar 05 2019We derive a simple formula for the width of a multi-channel resonance state. To this end, we use a deformed square-well potential and solve the coupled-channels equations. We obtain the $S$-matrix in the Breit-Wigner form, from which partial widths can ... More
Low-energy M1 excitations in $^{208}$Pb and the spin channel of the Skyrme energy-density functionalMar 04 2019We investigate the spin dependent part of the Skyrme energy-density functional, in particular its impact on the residual particle-hole interaction in self-consistent calculations of excitations. Test cases are the low-energy M1 excitations in $^{208}$Pb ... More
Large Transverse Momentum in Semi-Inclusive Deeply Inelastic Scattering Beyond Lowest OrderMar 04 2019Motivated by recently observed tension between $O\left(\alpha_s^2\right)$ calculations of very large transverse momentum dependence in both semi-inclusive deep inelastic scattering and Drell-Yan scattering, we repeat the details of the calculation through ... More
Revisiting the lower bound on tidal deformability derived by AT 2017gfoMar 04 2019We revisit the lower bound on binary tidal deformability tilde{Lambda} imposed by a luminous kilonova/macronova, AT 2017gfo, by numerical-relativity simulations of models consistent with gravitational waves from the binary-neutron-star merger, GW170817. ... More
Gluon Radiation from a Classical Point ParticleMar 04 2019We consider an initially at rest colored particle which is struck by an ultra-relativistic nucleus. The particle is treated classically both with respect to its motion and its color charge. The nucleus is treated as a sheet of colored glass within the ... More
Systematics of toroidal dipole modes in Ca, Ni, Zr, and Sn isotopesMar 04 2019Mar 06 2019We analyze the relation between isoscalar toroidal modes and so-called pygmy dipole resonance (PDR) which both appear in the same region of low-energy dipole excitations. To this end, we use a theoretical description within the fully self-consistent Skyrme ... More
Systematics of toroidal dipole modes in Ca, Ni, Zr, and Sn isotopesMar 04 2019We analyze the relation between isoscalar toroidal modes and so-called pygmy dipole resonance (PDR) which both appear in the same region of low-energy dipole excitations. To this end, we use a theoretical description within the fully self-consistent Skyrme ... More