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Related papers: Improvements to model of projectile fragmentation

200 papers

The coherent cross section of $J/\psi$, $\rho$, $\phi$ are computed in dipole model in the ultraperipheral PbPb collisions, the IP-Sat and IIM model are applied in the calculation of the differential cross section of the dipole scattering…

High Energy Physics - Phenomenology · Physics 2021-01-13 Ya-ping Xie , Xurong Chen

In this paper, I qualitatively discuss the matter formed in the fragmentation region of nuclear collisions at the highest energies. I argue that although the initial temperature and baryon number density can become very large, the ratio of…

High Energy Physics - Phenomenology · Physics 2016-12-07 Larry McLerran

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

Ensembles of single-source events, produced in peripheral and central collisions and correponding respectively to quasi-projectile and quasi-fusion sources, are analyzed. After selections on fragment kinematic properties, excitation…

Nuclear Experiment · Physics 2008-02-05 E. Bonnet , B. Borderie , N. Le Neindre , M. F. Rivet

The emission angle distribution of projectile fragments (PFs) and the temperature of PFs emission source for fragmentation of $^{56}$Fe on polyethylene, carbon and aluminum targets at the highest energy of 496 A MeV are investigated using…

Nuclear Experiment · Physics 2019-04-12 Luo-Huan Wang , Liang-Di Huo , Jia-Huan Zhu , Hui-Ling Li , Jun-Sheng Li , S. Kodaira , N. Yasuda , Dong-Hai Zhang

A generic expression to compute triple parton scattering (TPS) cross sections in high-energy proton-proton (pp) collisions is presented as a function of the corresponding single-parton cross sections and the transverse parton distribution…

High Energy Physics - Phenomenology · Physics 2017-03-29 David d'Enterria , Alexander M. Snigirev

The modeling of non-local-thermodynamic-equilibrium plasmas is crucial for many aspects of high-energy-density physics. It often requires collisional-radiative models coupled with radiative-hydrodynamics simulations. Therefore, there is a…

Atomic Physics · Physics 2024-02-28 Jean-Christophe Pain , Djamel Benredjem

Fiducial cross-sections for $t\bar{t}$ production with one or two additional $b$-jets are reported, using an integrated luminosity of 20.3 fb$^{-1}$ of proton--proton collisions at a centre-of-mass energy of 8 TeV at the Large Hadron…

High Energy Physics - Experiment · Physics 2016-01-25 ATLAS Collaboration

The emission of projectile fragments alpha has been studied in ^{84}Kr interactions with nuclei of the nuclear emulsion detector composition at relativistic energy below 2 GeV per nucleon. The angular distribution of projectile fragments…

High Energy Physics - Experiment · Physics 2010-09-20 V. Singh , M. K. Singh , Ramji Pathak

Extensive efforts have been made experimentally to reach nuclei in the super heavy mass region of Z = 110 and above with suitable choices of projectile and target nuclei. The cross sections for production of these nuclei are seen to be in…

Nuclear Theory · Physics 2013-08-27 R. K. Choudhury , Y. K. Gupta

In this letter we address the fragmentation of thin, brittle layers due to the impact of high-velocity projectiles. Our approach is a geometric statistical one, with lines and circles playing the role of cracks, randomly distributed over…

Soft Condensed Matter · Physics 2014-09-30 Rebeca C. Falcão , Fernando Parisio

We estimate the impact parameter dependence of the production cross section for $\eta_c$ and $\eta_b$ mesons in peripheral heavy-ion collisions collisions. Total and elastic $\gamma\gamma$ cross sections are calculated in an equivalent…

High Energy Physics - Phenomenology · Physics 2014-11-17 Alec J. Schramm , Daniel H. Reeves

We investigate fracture and fragmentation of solids due to impact at low energies using a two-dimensional dynamical model of granular solids. Simulating collisions of two solid discs we show that, depending on the initial energy, the…

Statistical Mechanics · Physics 2009-10-31 Ferenc Kun , Hans J. Herrmann

We calculate the survival probability of $J/\Psi$ particles in various colliding systems using a Glauber model. An analysis of recent data has reported a $J/\Psi$-nucleon breakup cross section of 6.2$\pm$0.7 mb derived from an exponential…

Nuclear Theory · Physics 2009-10-31 M. J. Bennett , J. L. Nagle

We review recent developments in the QCD description of jet production and modification in reactions with heavy nuclei at relativistic energies. Our goal is to formulate a perturbative expansion in the presence of nuclear matter that allows…

High Energy Physics - Phenomenology · Physics 2011-05-27 I. Vitev

In heavy-ion fusion reactions involving a well deformed nucleus, one often assumes that the orientation of the target nucleus does not change during the reaction. We discuss the accuracy of this procedure by analyzing the excitation…

Nuclear Theory · Physics 2009-11-06 Tamanna Rumin , Kouichi Hagino , Noboru Takigawa

For central collisions of $^{40}$Ca $+ ^{40}$Ca at 35 MeV/nucleon, the density and temperature of a fragmenting source have been evaluated in a self-consistent manner using the ratio of the symmetry energy coefficient relative to the…

Nuclear Theory · Physics 2014-10-15 X. Liu , W. Lin , R. Wada , M. Huang , Z. Chen , G. Q. Xiao , S. Zhang , X. Jin , J. Liu , F. Shi , P. Ren , H. Zheng , J. B. Natowitz , A. Bonasera

The yields and velocity distributions of heavy residues and fission fragments from the reaction of 20 MeV/nucleon 197Au + 90Zr have been measured using the MSU A1200 fragment separator. A bimodal distribution of residues is observed, with…

Nuclear Experiment · Physics 2016-09-08 G. A. Souliotis , W. Loveland , K. Hanold , G. J. Wozniak , D. J. Morrissey

Multiplicity distributions of intermediate mass fragments (IMF) seen in intermediate energy heavy ion collisions have been of great interest in the last ten years. The distributions of single intermediate sized element are close to…

Nuclear Theory · Physics 2009-11-10 L. Shi , S. Das Gupta

We propose a new formulation of the statistical multifragmentation model based on the analysis of the virial expansion for a system of the nuclear fragments of all sizes. The developed model not only enables us to account for short-range…

Nuclear Theory · Physics 2014-03-05 V. V. Sagun , A. I. Ivanytskyi , K. A. Bugaev , I. N. Mishustin