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To understand the role of isospin effects on fragmentation due to the collisions of charge asymmetric nuclei, we have performed a complete systematical study using isospin dependent quantum molecular dynamics model. Here simulations have…

Nuclear Theory · Physics 2015-05-30 Anupriya Jain , Suneel Kumar

Total cross sections for neutron scattering from nuclei, with energies ranging from 10 to 600 MeV and from many nuclei spanning the mass range 6Li to 238U, have been analyzed using a simple, three-parameter, functional form. The calculated…

Nuclear Theory · Physics 2007-05-23 Pradip Deb , Ken Amos , Steven Karataglidis

Predictions on fluctuations of hadron production properties in central heavy ion collisions are presented. They are based on the Statistical Model of the Early Stage and extend previously published results by considering the strongly…

High Energy Physics - Phenomenology · Physics 2016-09-21 R. V. Poberezhnyuk , M. I. Gorenstein , M. Gazdzicki

Heavy ion collisions at intermediate energies can be studied in the context of the Vlasov-Uehling-Uhlenbeck (VUU) model. One of the main features in this model is the nucleon-nucleon (NN) cross section in the collisional term. Quark…

Nuclear Theory · Physics 2017-08-23 D. T. da Silva , D. Hadjimichef

Nearly a recent century of work is divided to Nucleon-Nucleon (NN) interaction issue. We review some overall perspectives of NN interaction with a brief discussion about deuteron, general structure and symmetries of NN Lagrangian as well as…

Nuclear Theory · Physics 2014-08-29 M. Naghdi

Color fluctuations in hadron-hadron collisions are responsible for the presence of inelastic diffraction and lead to distinctive differences between the Gribov picture of high energy scattering and the low energy Glauber picture. We find…

High Energy Physics - Phenomenology · Physics 2013-05-14 M. Alvioli , M. Strikman

Nucleon correlations in the target and projectile nuclei are shown to reduce significantly the fluctuations in multiple nucleon-nucleon collisions, total multiplicity and transverse energy in relativistic heavy-ion collisions, in particular…

Nuclear Theory · Physics 2016-09-08 Gordon Baym , B. Blättel , L. L. Frankfurt , H. Heiselberg , M. Strikman

We re\,examine the theory of hadronic photon-nucleon interactions at the quark-gluon level. The possibility of multiple parton collisions in a single photon-nucleon collision requires an eikonal treatment of the high-energy scattering…

High Energy Physics - Phenomenology · Physics 2014-11-17 K. Honjo , L. Durand , R. Gandhi , I. Sarcevic , H. Pi

The extent to which information about fluctuations in hadron-nucleon total cross sections in the frozen approximation can be extracted from very high energy hadron-nucleus total cross section measurements for a range of heavy nuclei is…

Nuclear Theory · Physics 2009-09-25 David R. Harrington

We consider the dependence of collective flow on the nuclear surface thickness in a Boltzmann--Uehling--Uhlenbeck transport model of heavy ion collisions. Well defined surfaces are introduced by giving test particles a Gaussian density…

Nuclear Theory · Physics 2008-11-26 D. Klakow , G. Welke , W. Bauer

The eikonal model must be denoted as strongly preferable for the analysis of elastic high-energy hadron collisions. The given approach allows to derive corresponding impact parameter profiles that characterize important physical features of…

High Energy Physics - Phenomenology · Physics 2009-12-08 Vojtech Kundrat , Jan Kaspar , Milos Lokajicek

Considering the high-energy limit of the QCD gluon distribution inside a nucleus, we calculate the proton-nucleus total inelastic cross section using a simplified dipole model. We show that, if gluon saturation occurs in the nuclear surface…

High Energy Physics - Phenomenology · Physics 2014-11-20 L. Portugal , T. Kodama

We investigate several fluctuation effects in high-energy hadronic and nuclear collisions through the analysis of different observables. To introduce fluctuations in the initial stage of collisions, we use the Interacting Gluon Model (IGM)…

High Energy Physics - Phenomenology · Physics 2016-09-06 Y. Hama , T. Kodama , Samya Paiva

We study the fragmentation (far forward/backward) region of heavy ion collisions by considering an at-rest nucleus which is struck by a relativistic sheet of colored glass. By means of a simple classical model, we calculate the subsequent…

High Energy Physics - Phenomenology · Physics 2021-05-05 Isobel Kolbé , Mawande Lushozi , Larry D. McLerran , Gongming Yu

This study explores the role of nucleon exchange for the generation of the fission fragment angular momenta. For a number of typical fission cases, samples of 10,000 shape evolutions are generated by Langevin simulation and, subsequently,…

Nuclear Theory · Physics 2026-03-31 Jorgen Randrup , Pavel Nadtochy , Christelle Schmitt , Katarzyna Mazurek

Experimental results of inclusive hard-process cross sections in heavy-ion collisions conventionally lean on a normalization computed from Glauber models where the inelastic nucleon-nucleon cross section $\sigma_{\rm nn}^{\rm inel}$ -- a…

High Energy Physics - Phenomenology · Physics 2020-11-25 Kari J. Eskola , Ilkka Helenius , Mikko Kuha , Hannu Paukkunen

We present a complete systematic theoretical study of multifragmentation for asymmetric colliding nuclei for heavy-ion reactions in the energy range between 50 MeV/nucleon and 1000 MeV/nucleon by using isospin dependent quantum molecular…

Nuclear Theory · Physics 2011-09-27 Deepinder Kaur , Varinderjit Kaur , Suneel Kumar

The evolution of the system created in a high energy nuclear collision is very sensitive to the fluctuations in the initial geometry of the system. In this letter we show how one can utilize these large fluctuations to select events…

Nuclear Experiment · Physics 2015-06-11 Jurgen Schukraft , Anthony Timmins , Sergei A. Voloshin

We use the wounded nucleon model to study the forward-backward multiplicity fluctuations measured by the PHOBOS Collaboration in Au+Au collisions at sqrt(s_NN)=200 GeV. The enhancement of forward-backward fluctuations in Au+Au collisions…

High Energy Physics - Phenomenology · Physics 2010-04-14 Adam Bzdak , Krzysztof Wozniak

We present the first results of a comprehensive microscopic approach to describe nucleus-nucleus elastic collisions by means of an optical potential derived at first order in multiple-scattering theory and computed by folding the projectile…

Nuclear Theory · Physics 2026-01-07 Matteo Vorabbi , Michael Gennari , Paolo Finelli , Carlotta Giusti , Petr Navrátil