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Within the framework of the dinuclear system model, the production mechanism of neutron-rich heavy nuclei around N = 162 has been investigated systematically. The isotopic yields in the multinucleon transfer reaction of $^{238}$U +…

Nuclear Theory · Physics 2022-09-07 Cheng Peng , Zhao-Qing Feng

Emission of light fragments (LF) from nuclear reactions is an open question. Different reaction mechanisms contribute to their production; the relative roles of each, and how they change with incident energy, mass number of the target, and…

Nuclear Theory · Physics 2014-01-20 Leslie M. Kerby , Stepan G. Mashnik , Arnold J. Sierk

We report here an empirical formalism for predicting the cross-sections of neutron-rich nuclei produced in fragmentation of relativistic \b{eta}-unstable neutron-rich projectiles in the mid-mass region. The formalism is based on the…

Nuclear Theory · Physics 2020-12-04 Debasis Bhowmick , Siddhartha Dechoudhury , Vaishali Naik , Alok Chakrabarti

Nuclear medium effects in the weak structure functions $F_2(x,Q^2)$ and $F_3(x,Q^2)$ have been studied for deep inelastic neutrino/antineutrino reactions in iron nucleus by taking into account Fermi motion, binding, pion and rho meson cloud…

Nuclear Theory · Physics 2015-05-30 H. Haider , I. Ruiz Simo , M. Sajjad Athar , M. J. Vicente Vacas

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 particle emission at intermediate velocities in mass asymmetric reactions is studied within the framework of classical molecular dynamics. Two reactions in the Fermi energy domain were modelized, $^{58}$Ni+C and $^{58}$Ni+Au at 34.5…

Nuclear Theory · Physics 2009-11-07 A. Chernomoretz , L. Gingras , Y. Larochelle , L. Beaulieu , R. Roy , C. St-Pierre , C. O. Dorso

Within the framework of the Lanzhou quantum molecular dynamics (LQMD) transport model, the isospin effect in peripheral heavy-ion collisions has been investigated thoroughly. A coalescence approach is used for recognizing the primary…

Nuclear Theory · Physics 2019-04-08 Ya-Fei Guo , Peng-Hui Chen , Fei Niu , Zhao-Qing Feng

Quantal diffusion mechanism of nucleon exchange is studied in the central collisions of several symmetric heavy-ion collisions in the framework of the Stochastic Mean-Field (SMF) approach. Since at bombarding energies below the fusion…

Nuclear Theory · Physics 2016-11-23 S. Ayik , O. Yilmaz , B. Yilmaz , A. S. Umar

Complex structural effects in the nuclide production from the projectile fragmentation of 1 A GeV 238U nuclei in a titanium target are reported. The structure seems to be insensitive to the excitation energy induced in the reaction. This is…

Nuclear Experiment · Physics 2009-11-10 M. V. Ricciardi , A. V. Ignatyuk , A. Kelic , P. Napolitani , F. Rejmund , K. -H. Schmidt , O. Yordanov

We calculate target fragmentation in $p p \to n X$ and $\gamma p \to n X $ reactions in the meson cloud picture of the nucleon. The $p p \to n X$ reaction is used to fix the $pn\pi^+$ form factor for two different models. We take into…

High Energy Physics - Phenomenology · Physics 2007-05-23 U. D'Alesio

Nuclear stopping has been investigated in central symmetric nuclear collisions at intermediate energies. Firstly, it is found that the isotropy ratio, Riso, reaches a minimum near the Fermi energy and saturates or slowly increases depending…

Nuclear Experiment · Physics 2007-05-23 C. Escano-Rodriguez , D. Durand , A. Chbihi , J. D. Frankland , the INDRA Collaboration

With INDRA at GSI, multifragmentation was studied in 197Au + 197Au reactions at bombarding energies 40 to 150 MeV per nucleon. The mechanisms of fragment production at mid-rapidity in peripheral collisions and the interplay of collective…

Nuclear Experiment · Physics 2007-05-23 W. Trautmann , A. Le Fevre , J. Lukasik

A version of Geant4 has been developed to treat high-energy proton radiography. This article presents the results of calculations simulating the effects of nuclear elastic scattering for various test step wedges. Comparisons with…

Instrumentation and Detectors · Physics 2014-09-19 Xu Haibo , Zheng Na

The Fermi gas model, while providing a reasonable qualitative description of the continuum nuclear response, does not include the effects of dynamical nucleon-nucleon correlations in the initial and final states, that have long been…

Nuclear Theory · Physics 2007-05-23 Omar Benhar

The ultrarelativistic collisions of heavy ions provide rich spectrum of possibilities to discuss the response of the nucleus to photons. Newly published neutron and proton multiplicities measured in the ALICE experiment in ultraperipheral…

High Energy Physics - Phenomenology · Physics 2026-03-05 P. Jucha , K. Mazurek , A. Szczurek , K. Pysz

We address the stopping in heavy-ion induced reactions around the Fermi energy using central collisions recorded with \emph{INDRA} $4\pi$ array. The stopping is minimal around the Fermi energy and corresponds to the disappearance of the…

Nuclear Experiment · Physics 2015-06-17 Olivier Lopez

We discuss fragmentation mechanisms and isospin transport occurring in central collisions between neutron rich systems at Fermi energies. In particular, isospin effects are analyzed looking at the correlations between fragment isotopic…

Nuclear Theory · Physics 2008-11-26 M. Colonna , J. Rizzo , Ph. Chomaz , M. Di Toro

A key question in the physics of unstable nuclei is the knowledge of the $EOS$ for asymmetric nuclear matter ($ANM$) away from normal conditions. We recall that the symmetry energy at low densities has important effects on the neutron skin…

Nuclear Theory · Physics 2017-08-23 M. Di Toro

The method of fusion barrier distribution has been widely used to interpret the effect of nuclear structure on heavy-ion fusion reactions around the Coulomb barrier. We discuss a similar, but less well known, barrier distribution extracted…

Nuclear Theory · Physics 2015-06-26 K. Hagino , N. Rowley

When energy of colliding nuclei is between 100-600 MeV/nucleon then multifragmentation take place. By studying the fragments (at final stage of reaction) we can seize the idea about initial condition and various other parameter which…

Nuclear Theory · Physics 2011-12-15 Rubina Bansal , Suneel Kumar