English
Related papers

Related papers: Optical potential parameters of light nuclear fusi…

200 papers

A realistic evaluation of Coulomb potential has been made for some selected nuclei using the available model-independent data for the charge density and the recent development of Coulomb energy-density functional. Within the Woods-Saxon…

Nuclear Theory · Physics 2023-03-03 L. Xayavong , Y. Lim

Inertial confinement fusion hotspots and cluster Coulomb explosion plasmas may develop a positive net electric charge. The Coulomb barrier penetrability and the rate of nuclear fusion reactions at ultra-low energies ($\lesssim 10$ keV) are…

Nuclear Theory · Physics 2019-06-18 Salvatore Simone Perrotta , Aldo Bonasera

Simultaneous analyses are performed for cross section data of elastic scattering, fusion, Coulomb breakup, and other direct yields for the $^{6}$He+$^{209}$Bi system at near-Coulomb-barrier energies. The bare and dynamical polarization…

Nuclear Theory · Physics 2024-02-08 H. M. Maridi , N. Keeley , K. Rusek

A microscopic calculation of cross sections for fusion of oxygen isotopes $^{16}$O, $^{22}$O and $^{24}$O is presented. Fermionic Molecular Dynamics wave functions are used to describe the fully antisymmetrized and angular momentum…

Nuclear Theory · Physics 2007-05-23 Thomas Neff , Hans Feldmeier , Karlheinz Langanke

Uncertainties in adopted models of particle+nucleus optical-model potentials directly influence the accuracy in the theoretical predictions of reaction rates as they are needed for reaction-network calculations in, for instance,…

We present an efficient method for rigorous quantum calculations of cross sections for atom-molecule reactive scattering in the presence of a dc electric field. The wavefunction of the reaction complex is expanded in an overcomplete set of…

Chemical Physics · Physics 2026-05-07 Timur V. Tscherbul , Roman V. Krems

Background: Challenging questions of the $\alpha$-particle optical-model potential (OMP) are still pointed out by recent high-precision measurements of $\alpha$-induced reaction data below the Coulomb barrier. Moreover, the reliability of a…

Nuclear Theory · Physics 2017-10-17 V. Avrigeanu , M. Avrigeanu

All possible dissociation cross sections for the loosely bound three-body halo nuclei $^6$He (n+n+$\alpha$) and $^{11}$Li (n+n+$^{9}$Li) are computed as functions of target and beam energy. Both Coulomb and nuclear interactions are included…

Nuclear Theory · Physics 2009-11-06 E. Garrido , D. V. Fedorov , A. S. Jensen

One-neutron knockout reactions have been widely used to extract information about the single-particle structure of nuclei from the valley of stability to the driplines. The interpretation of knockout data relies on reaction models, where…

Nuclear Theory · Physics 2023-07-19 Chloë Hebborn , T. R. Whitehead , Amy E. Lovell , Filomena M. Nunes

In the model calculations of heavy element nucleosynthesis processes the nuclear reaction rates are taken from statistical model calculations which utilize various nuclear input parameters. It is found that in the case of reactions…

Nuclear Experiment · Physics 2014-12-01 Gy. Gyürky , Zs. Fülöp , Z. Halász , G. G. Kiss , T. Szücs

We first show a possible mechanism to create a new type of nuclear fusion, thermal resonance fusion, i.e. low energy nuclear fusion with thermal resonance of light nuclei or atoms, such as deuterium or tritium. The fusion of two light…

Nuclear Theory · Physics 2015-07-08 Bao-Guo Dong

The feasibility of a model-independent extraction of the forward strong amplitude from elastic nuclear cross section data in the Coulomb-nuclear interference region is assessed for $\pi$ and $K^+$ scattering at intermediate energies.…

Nuclear Theory · Physics 2007-05-23 C. M. Chen , D. J. Ernst , Mikkel B. Johnson

We discuss the applicability of the Wong formula for fusion cross sections in a single-channel problem. To this end, we carry out a systematic study and compare the approximate fusion cross sections with the exact results in a wide mass…

Nuclear Theory · Physics 2017-06-07 N. W. Lwin , N. N. Htike , K. Hagino

We carry out realistic coupled-channels calculations for $^{11}$Be + $^{208}$Pb reaction in order to discuss the effects of break-up of the projectile nucleus on sub-barrier fusion. We discretize in energy the particle continuum states,…

Nuclear Theory · Physics 2016-09-08 K. Hagino , A. Vitturi , C. H. Dasso , S. M. Lenzi

We investigate the nuclear and the Coulomb contributions to the breakup cross sections of $^6$Li in collisions with targets in different mass ranges. Comparing cross sections for different targets at collision energies corresponding to the…

Nuclear Theory · Physics 2017-03-23 M. S. Hussein , P. R. S. Gomes , J. Lubian , D. R. Otomar , L. F. Canto

The S-matrix element and the cross section of the laser-assisted nuclear photoeffect are recalculated in a gauge invariant manner taking into account the effect of the Coulomb field of the remainder nucleus. The \gamma-photon energy…

Nuclear Theory · Physics 2013-03-07 Péter Kálmán , Dániel P. Kis , Tamás Keszthelyi

We describe bound states, resonances and elastic scattering of light ions using a $\delta$-shell potential. Focusing on low-energy data such as energies of bound states and resonances, charge radii, asymptotic normalization coefficients,…

Nuclear Theory · Physics 2019-11-11 Benjamin K. Luna , T. Papenbrock

Theoretical modeling of nucleus-nucleus collision often is based on the nucleus-nucleus potential. One of the advanced methods for constructing this potential is the semi-microscopical double-folding model with the M3Y-Paris NN-forces.…

Nuclear Theory · Physics 2023-07-26 I. I. Gontchar , M. V. Chushnyakova

Astrophysical models studying the origin of the p-nuclei require knowledge of the reaction rates of photodisintegrations and capture reactions. Since experimental data at astrophysically relevant energies are limited, reaction rate…

Nuclear Theory · Physics 2021-04-28 E. Vagena , M. Axiotis , P. Dimitriou

We perform a systematic study on the surface property of nucleus-nucleus potential in heavy-ion reactions using large-angle quasielastic scattering at energies well below the Coulomb barrier. At these energies, the quasielastic scattering…

Nuclear Theory · Physics 2009-11-11 K. Washiyama , K. Hagino , M. Dasgupta
‹ Prev 1 4 5 6 7 8 10 Next ›