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A study of photofission on 181Ta nucleus induced by bremsstrahlung photons with endpoint energies of 50 and 3500 MeV has been performed. The fission yields have been measured by using the induced-activity method in an off-line analysis. The…

Nuclear Experiment · Physics 2014-12-15 A. Deppman , G. S. Karapetyan , V. Guimarães , C. Gonzales , A. R. Balabekyan , N. A. Demekhina

Nuclear formation cross sections are reported for 26 radionuclides, measured with 40 to 200 MeV proton irradiations of terbium foils. These data are relevant to the production of medically relevant radionuclides (e.g., 152Tb, 155Tb, 155Eu,…

The CGMF code implements the Hauser-Feshbach statistical nuclear reaction model to follow the de-excitation of fission fragments by successive emissions of prompt neutrons and $\gamma$ rays. The Monte Carlo technique is used to facilitate…

Nuclear Theory · Physics 2021-08-09 P. Talou , I. Stetcu , P. Jaffke , M. E. Rising , A. E. Lovell , T. Kawano

We present a statistical-model description of fission, in the framework of compound-nucleus decay, which is found to simultaneously reproduce data from both heavy-ion-induced fusion reactions and proton-induced spallation reactions at…

Nuclear Theory · Physics 2010-10-27 Davide Mancusi , Robert J. Charity , Joseph Cugnon

We have calculated the fission probabilities for 237-Np, 233,235,238-U, 232-Th, and nat-Pb following the absorption of photons with energies from 68 MeV to 3.77 GeV using the RELDIS Monte-Carlo code. This code implements the…

The process of nuclear multifragmentation has been implemented, together with evaporation and fission channels of the disintegration of excited remnants in nucleus-nucleus collisions using percolation theory and the intranuclear cascade…

Nuclear Theory · Physics 2009-11-07 G. Musulmanbekov , A. Al--Haidary

MCNP6 has been Validated and Verified (V&V) against intermediate- and high-energy fission cross-section experimental data. An error in the calculation of fission cross sections of 181Ta and a few nearby target nuclei by the CEM03.03 event…

Nuclear Theory · Physics 2013-03-19 Stepan G. Mashnik , Arnold J. Sierk , Richard E. Prael

Nuclear reactions induced by muon neutrino with energies in the range from 0.2 to 1.5 GeV in Monte Carlo calculations framework in the intra-nuclear cascade model are studied. This study was done by comparison between the available…

Theoretical antiproton and proton cross sections for ionization and excitation of hydrogen molecules as well as energy spectra of the ionized electrons were calculated in the impact-energy range from 8 to 4000 keV. The cross sections were…

Atomic Physics · Physics 2009-11-13 Armin Lühr , Alejandro Saenz

In recent years, investigations of angular distributions of fragments in neutron-induced nuclear fission have been extended to intermediate energies, up to 200 MeV, as well as to a wide range of target isotopes. Using as an example the…

Nuclear Theory · Physics 2022-01-12 A. L. Barabanov , A. S. Vorobyev , A. M. Gagarski , O. A. Shcherbakov , L. A. Vaishnene

The cross sections of the nuclear reactions induced by neutrons at $E_n$= 14.6 MeV on the isotopes of Dy, Er, Yb with emission of neutrons, proton and alpha-particle are studied by the use of new experimental data and different theoretical…

Total fission cross sections of 181-Ta induced by protons at different relativistic energies have been measured at GSI, Darmstadt. The inverse kinematics technique used together with a dedicated set-up, made it possible to determine these…

The production of strange particles (kaons, hyperons) and hypernuclei in light charged particle induced reactions in the energy range of a few GeV (2-15 GeV) has become a topic of active research in several facilities (e.g., HypHI and PANDA…

Nuclear Theory · Physics 2018-11-06 J. Hirtz , J. -C. David , A. Boudard , J. Cugnon , S. Leray , I. Leya , D. Mancusi

The fusion process and the competition between fission and n, p and alpha-particle emission is studied. The calculations are performed for nuclei at excitation energies from 80 MeV up to about 300 MeV. The nuclear fission is described by a…

Nuclear Theory · Physics 2007-05-23 K. Pomorski , K. Dietrich , W. Przystupa , J. Bartel , J. Richert

A Monte Carlo simulator is presented to reproduce data of nucleus-nucleus interactions at high energies. The program is designed in a microscopic point of view, where the cascade approach is applied. Moreover, each nucleon from both the…

High Energy Physics - Phenomenology · Physics 2007-05-23 N. M. Hassan , N. El-Harby , M. T. Hussein

We have designed a Euler approximation Monte-Carlo code for the calculation of the ionization of atomic hydrogen by protons with energies between 0.05 and 1.0 MeV. This code is used to calculate the total ionization cross sections s(E), the…

Atomic Physics · Physics 2022-04-04 Seifeldin Dabbour , Skyler McMullen , F. Edward Cecil

Mechanism of nuclear reactions on 197Au induced by 11B ions at energies above Coulomb barrier was studied by induced-activity method and gamma-spectroscopy. The cross sections of the reaction fragments from 197Au induced by 11B ions were…

Nuclear Experiment · Physics 2016-11-01 G. S. Karapetyan , N. A. Demekhina , A. R. Balabekyan

Cross sections for proton inelastic collision with different nuclei are described within the Glauber and multiple scattering approximations. A significant difference between approximate `Glauber' formula and exact calculations with a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tadeusz Wibig , Dorota Sobczynska

The fusion dynamics on the formation of superheavy nuclei is investigated thoroughly within the dinuclear system model. The Monte Carlo approach is implemented into the nucleon transfer process for including all possible orientations, at…

Nuclear Theory · Physics 2022-06-28 Fei Niu , Peng-Hui Chen , Zhao-Qing Feng

Binary fission induced by 140 MeV $\alpha$-particles has been measured for $^{\rm nat}$Ag, $^{139}$La, $^{165}$Ho and $^{197}$Au targets. The measured quantities are the total kinetic energies, fragment masses, and fission cross sections.…

Nuclear Experiment · Physics 2015-05-13 A. Buttkewitz , H. H. Duhm , F. Goldenbaum , H. Machner , W. Strauss