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Related papers: Nuclear energy release from fragmentation

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Experimental results on peripheral fragmentation of relativistic $^{11}$B nuclei are presented. In the experiment the emulsions exposured to $^{11}$B beam with momentum 2.75 A GeV/c at the JINR Nuclotron are used. The relative probability…

The collective flow of nucleons and that of fragments in the 12C + 12C reaction below 150 MeV/nucleon are calculated with the antisymmetrized version of molecular dynamics combined with the statistical decay calculation. Density dependent…

Nuclear Theory · Physics 2009-10-22 Akira Ono , Hisashi Horiuchi , Toshiki Maruyama

Time-dependent Hartree-Fock approach in three dimensions is employed to study the multi-nucleon transfer reaction $^{132}$Sn + $^{208}$Pb at various incident energies above the Coulomb barrier. Probabilities for different transfer channels…

Nuclear Theory · Physics 2018-11-14 Xiang Jiang , Nan Wang

The nucleus-nucleus potential and energy dissipation in fusion reactions are obtained from microscopic mean-field dynamics. The deduced potentials nicely reproduce the one extracted from experimental data. Energy dissipation shows a…

Nuclear Theory · Physics 2015-05-14 Kouhei Washiyama , Denis Lacroix , Sakir Ayik

We have studied the ionization and fragmentation of $SO_2$ molecular target in collision with 1 MeV proton beam using the technique of recoil ion momentum spectroscopy. Fragmentation dynamics of doubly charged $SO_2^{2+}$ molecular ion has…

Atomic Physics · Physics 2025-04-08 Sandeep Bajrangi Bari , Ranojit Das , Rohit Tyagi , Aditya H. Kelkar

Neutron tunneling in neutron star crusts can release enormous amounts of energy on a short timescale. We have clarified aspects of this process occurring in the outer crust regions of neutron stars when oscillations or cataclysmic events…

High Energy Astrophysical Phenomena · Physics 2022-10-19 C. A. Bertulani , R. V. Lobato

We report on the fragmentation of the water molecule by $1$ MeV H$^{+}$, He$^{+}$ and 650 keV N$^{+}$ ion impact. The fragment-ion energy spectra were measured by an electrostatic spectrometer at different observation angles. The obtained…

Atomic Physics · Physics 2017-09-13 S. T. S. Kovács , P. Herczku , Z. Juhász , L. Sarkadi , L. Gulyás , B. Sulik

Differential cross sections for electromagnetic dissociation in nucleus-nucleus collisions are calculated. The kinetic energy distribution is parameterized with a Boltzmann distribution and the angular distribution is assumed isotropic in…

Nuclear Theory · Physics 2008-11-26 John W. Norbury , Anne Adamczyk

$^{229}$Th is the only known nucleus with an excited state that offers the possibility for a direct laser excitation using existing laser technology. Its excitation energy has been measured indirectly to be 7.8(5) eV ($\approx$160 nm). The…

Instrumentation and Detectors · Physics 2018-12-14 Benedict Seiferle , Lars von der Wense , Ines Amersdorffer , Nicolas Arlt , Benjamin Kotulski , Peter G. Thirolf

Merging neutron stars generate shock waves that disintegrate heavy nuclei into nucleons especially in the outer envelope. It is expected that some of such neutrons having avoided capturing positrons remain as free neutrons even after…

High Energy Astrophysical Phenomena · Physics 2018-07-11 Ayako Ishii , Toshikazu Shigeyama , Masaomi Tanaka

Nuclear excitation induced by lasers holds broad application prospects in precision metrology and nuclear energy, such as nuclear batteries and nuclear clocks. In the present work, the nuclear excitation via inelastic electron scattering…

Nuclear Theory · Physics 2025-08-27 Qiong Xiao , Yangyang Xu , Junhao Cheng , Liangqi Zhang , Wenyu Zhang , Yongsheng Huang , Tongpu Yu

Focused on the generation and evolution of vast complementary pairs of the primary fission fragments at scission moment, Dinuclear and Statistical Model (DSM) is proposed. (1) It is assumed that the fissile nucleus elongates along a…

Nuclear Theory · Physics 2021-02-12 Xiaojun Sun , Haiyuan Peng , Liying Xie , Kai Zhang , Yan Liang , Yinlu Han , Nengchuan Su , Jie Yan , Jun Xiao , Junjie Sun

We discuss some differences and similarities between electron and neutrino scattering off atomic nuclei. We find that, in the giant resonance region, the two processes excite different nuclear modes, therefore the weak and the…

Nuclear Theory · Physics 2009-11-10 A. Botrugno , G. Co'

As follows from the energies of single-particle states in ^{40}Ca, ^{90}Zr and ^{208}Pb nuclei the contribution of many-particle NN forces to the nuclear single-particle potential is at least the sum of repulsive and attractive parts…

Nuclear Theory · Physics 2007-05-23 B. L. Birbrair , V. I. Ryazanov

The fragmentation of thermalized sources is studied using a version of the Statistical Multifragmentation Model which employs state densities that take the pairing gap in the nuclear levels into account. Attention is focused on the…

We include in statistical model calculations the facts that in the nuclear multifragmentation process the fragments are produced within a given volume and have a finite size. The corrections associated with these constraints affect the…

Nuclear Theory · Physics 2008-11-26 S. R. Souza , R. Donangelo , W. G. Lynch , M. B. Tsang

The ionization energy of D$_2$ has been determined experimentally from measurements involving two-photon Doppler-free vacuum-ultraviolet pulsed laser excitation and near-infrared continuous-wave laser excitation to yield…

In nuclear reactions induced by hadrons and ions of high energies, nuclei can disintegrate into many fragments during a short time (~100 fm/c). This phenomenon known as nuclear multifragmentation was under intensive investigation last 20…

Nuclear Theory · Physics 2008-06-25 A. S. Botvina

Using resonant two-step laser excitation of trapped 232Th+ ions, we observe 43 previously unknown energy levels within the energy range from 7.3 to 8.3 eV. The high density of states promises a strongly enhanced electronic bridge excitation…

Atomic Physics · Physics 2013-08-01 O. A. Herrera-Sancho , N. Nemitz , M. V. Okhapkin , E. Peik

We have measured the total kinetic energy (TKE) release for the $^{235}$U(n,f) reaction for $E_{n}$=2-100 MeV using the 2E method with an array of Si PIN diode detectors. The neutron energies were determined by time of flight measurements…

Nuclear Experiment · Physics 2017-08-25 R. Yanez , W. Loveland , J. King , J. S. Barrett , N. Fotiades , H. Y. Lee