English
Related papers

Related papers: Two-particle correlations in continuum dipole tran…

200 papers

Exploring new excitation modes and the role of the nuclear clustering has been of great interest. An interesting speculation was made in the recent photoabsorption measurement of $^6$Li that implied the importance of the nuclear clustering.…

Nuclear Theory · Physics 2019-12-13 W. Horiuchi , S. Satsuka

The reactions of nucleon and polarized deuteron scattered off a heavy target at large impact parameter with intermediate energies have been investigated by using the improved quantum molecular dynamics model. It is found that, due to the…

Nuclear Theory · Physics 2020-02-12 Xiao Liang , Li Ou , Zhigang Xiao

We explain how the emergent phenomenon of dynamical chiral symmetry breaking ensures that Poincar\'e covariant analyses of the three valence-quark scattering problem in continuum quantum field theory yield a picture of the nucleon as a…

Nuclear Theory · Physics 2018-04-04 Jorge Segovia , Cédric Mezrag , Lei Chang , Craig D. Roberts

We study the $^6$He Borromean nucleus in coordinate representation within a three-body model with two-body potentials derived from cluster effective field theory (EFT). These potentials are originally developed in momentum space and Fourier…

Nuclear Theory · Physics 2025-06-03 E. C. Pinilla , W. Leidemann , G. Orlandini , P. Descouvemont

We calculate for the first time the electric dipole moment (EDM) of the $^6$Li nucleus within the alpha + p + n three-body cluster model using the Gaussian expansion method, assuming the one meson exchange P, CP-odd nuclear forces. It is…

Nuclear Theory · Physics 2015-05-28 Nodoka Yamanaka , Emiko Hiyama

Angular correlations for low-energy neutron induced $\gamma$ reactions are calculated using nuclear reaction formalism for multi level neutron capture with arbitrary multiplicities of $\gamma$ transitions. We confirm previous calculations…

Nuclear Theory · Physics 2025-09-22 Vladimir Gudkov , Hirohiko M. Shimizu

On the basis of new photon scattering measurements and a reevaluation of average neutron resonance capture data we investigate how well Lorentzians adjusted to photo-neutron data in the giant dipole resonances give a good description of the…

A phase-space representation of nuclear interactions, which depends on the distance $\vec{r}$ and relative momentum $\vec{p}$ of the nucleons, is presented. A method is developed that permits to extract the interaction $V(\vec{r},\vec{p})$…

Nuclear Theory · Physics 2015-06-22 H. Feldmeier , T. Neff , D. Weber

The nucleus is one of the most multi-faceted many-body systems in the universe. It exhibits a multitude of responses depending on the way one 'probes' it. With increasing technical advancements of beams at the various accelerators and of…

Nuclear Experiment · Physics 2015-05-18 Kris Heyde , Peter von Neumann-Cosel , Achim Richter

The electric dipole polarizability quantifies the low-energy behaviour of the dipole strength and is related to critical observables such as the radii of the proton and neutron distributions. Its computation is challenging because most of…

Nuclear Theory · Physics 2016-09-28 M. Miorelli , S. Bacca , N. Barnea , G. Hagen , G. R. Jansen , G. Orlandini , T. Papenbrock

We present a theoretical approach to investigate the scattering of polarized electrons from light nuclei using the multipole expansion for the scattering cross section within the framework of the unified electroweak theory. Scattering…

Nuclear Theory · Physics 2026-05-01 Minh Truong Vo , Vu Dong Tran , Quang Hung Nguyen

The role played by nucleon-nucleon short-range correlations in photon- and electron-nucleus reactions is analyzed with a model which includes all the diagrams containing a single correlation function. The excitation of low-lying high-spin…

Nuclear Theory · Physics 2007-05-23 Antonio M. Lallena , Marta Anguiano , Giampaolo Co'

The interactions between atoms and molecules may be described by a potential energy function of the nuclear coordinates. Non-bonded interactions are dominated by repulsive forces at short range and attractive dispersion forces at long…

Phase-shift differences and amplitude ratios of the outgoing $s$ and $d$ continuum wave packets generated by two-photon ionization of helium atoms are determined from the photoelectron angular distributions obtained using velocity map…

Motivated by recent high-energy electron and $\rm ^3H$ and $\rm ^3He$ nuclei scattering experiment in Jefferson Lab (Nature 609, 41 (2022)), the short-range correlations (SRCs) between nucleon pairs for 3-nucleon systems are microscopically…

Nuclear Theory · Physics 2023-08-09 Qi Meng , Ziyang Lu , Chang Xu

The time-dependent version of nuclear density functional theory, using functionals derived from Skyrme interactions, is able to approximately describe nuclear dynamics. We present time-dependent results of calculations of dipole resonances,…

Nuclear Theory · Physics 2016-02-17 P. D. Stevenson

Investigation of decay and scattering processes of particles in a vortex state offers a novel and promising approach for probing particle structure. Our study reveals distinct properties of vortex neutron decay, which deviate from those of…

High Energy Physics - Phenomenology · Physics 2025-02-20 Wei Kou , Bing'ang Guo , Xurong Chen

Within the framework of the dinuclear system (DNS) model by implementing the cluster transfer into the dissipation process, we systematically investigated the energy spectra and the angular distribution of the preequilibrium clusters (n, p,…

Nuclear Theory · Physics 2025-11-25 Zi-Han Wang , Zhao-Qing Feng

We study the spatial correlation of a particle-hole pair in the isovector channel in $^{56}$Co and $^{40}$K nuclei. To this end, we employ the Hartree-Fock+Tamm-Dancoff approximation with the Skyrme interaction. We find a large…

Nuclear Theory · Physics 2022-10-05 K. Hagino , H. Sagawa

We present quantum Monte Carlo calculations of the single- and two-nucleon momentum distributions in selected nuclei for $A\le16$. We employ local chiral interactions at next-to-next-to-leading order. We find good agreement at low momentum…

Nuclear Theory · Physics 2018-07-20 D. Lonardoni , S. Gandolfi , X. B. Wang , J. Carlson