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The isotopic and isotonic distributions of the projectile fragmentation products have been simulated by a modified statistical abrasion-ablation (SAA) model and the isoscaling behavior of projectile-like fragments has been discussed. The…

The isoscaling is investigated using the fragment yield data from fully reconstructed quasi-projectiles observed in peripheral collisions of 28Si with 124,112Sn at projectile energies 30 and 50 MeV/nucleon. The excitation energy dependence…

Nuclear Experiment · Physics 2009-11-10 M. Veselsky , G. A. Souliotis , S. J. Yennello

The cross sections of fragments produced in 140 $A$ MeV $^{40,48}$Ca + $^9$Be and $^{58,64}$Ni + $^9$Be reactions are calculated by the statistical abration-ablation(SAA) model and compared to the experimental results measured at the…

Nuclear Theory · Physics 2009-03-19 C. W. Ma , H. L. Wei , J. Y. Wang , G. J. Liu , Y. Fu , D. Q. Fang , W. D. Tian , X. Z. Cai , H. W. Wang , Y. G. Ma

Background: Models describing nuclear fragmentation and fragmentation-fission deliver important input for planning nuclear physics experiments and future radioactive ion beam facilities. These models are usually benchmarked against data…

Nuclear Experiment · Physics 2016-05-11 R. Thies , A. Heinz , T. Adachi , Y. Aksyutina , J. Alcantara-Núñes , S. Altstadt , H. Alvarez-Pol , N. Ashwood , T. Aumann , V. Avdeichikov , M. Barr , S. Beceiro-Novo , D. Bemmerer , J. Benlliure , C. A. Bertulani , K. Boretzky , M. J. G. Borge , G. Burgunder , M. Caamano , C. Caesar , E. Casarejos , W. Catford , J. Cederkäll , S. Chakraborty , M. Chartier , L. V. Chulkov , D. Cortina-Gil , R. Crespo , U. Datta , P. Díaz Fernández , I. Dillmann , Z. Elekes , J. Enders , O. Ershova , A. Estradé , F. Farinon , L. M. Fraile , M. Freer , M. Freudenberger , H. O. U. Fynbo , D. Galaviz , H. Geissel , R. Gernhäuser , K. Göbel , P. Golubev , D. Gonzalez Diaz , J. Hagdahl , T. Heftrich , M. Heil , M. Heine , A. Henriques , M. Holl , G. Ickert , A. Ignatov , B. Jakobsson , H. T. Johansson , B. Jonson , N. Kalantar-Nayestanaki , R. Kanungo , R. Knöbel , T. Kröll , R. Krücken , J. Kurcewicz , N. Kurz , M. Labiche , C. Langer , T. Le Bleis , R. Lemmon , O. Lepyoshkina , S. Lindberg , J. Machado , J. Marganiec , V. Maroussov , M. Mostazo , A. Movsesyan , A. Najafi , T. Nilsson , C. Nociforo , V. Panin , S. Paschalis , A. Perea , M. Petri , S. Pietri , R. Plag , A. Prochazka , A. Rahaman , G. Rastrepina , R. Reifarth , G. Ribeiro , M. V. Ricciardi , C. Rigollet , K. Riisager , M. Röder , D. Rossi , J. Sanchez del Rio , D. Savran , H. Scheit , H. Simon , O. Sorlin , V. Stoica , B. Streicher , J. T. Taylor , O. Tengblad , S. Terashima , Y. Togano , E. Uberseder , J. Van de Walle , P. Velho , V. Volkov , A. Wagner , F. Wamers , H. Weick , M. Weigand , C. Wheldon , G. Wilson , C. Wimmer , J. S. Winfield , P. Woods , D. Yakorev , M. V. Zhukov , A. Zilges , K. Zuber

Investigation of the effect of the dynamical stage of heavy-ion collisions indicates that the increasing width of the initial isospin distributions is reflected by a significant modification of the isoscaling slope for the final isotopic…

Nuclear Theory · Physics 2009-11-11 M. Veselsky

Isoscaling and its relation to the symmetry energy in the fragmentation of excited residues produced at relativistic energies were studied in two experiments conducted at the GSI laboratory. The INDRA multidetector has been used to detect…

The fission processes of $^{112}$Sn + $^{112}$Sn and $^{116}$Sn + $^{116}$Sn are simulated with the combination of the Langevin equation and the statistical decay model. The masses of two fission fragments are given by assuming the process…

The N/Z dependence of projectile fragmentation at relativistic energies has been studied with the ALADIN forward spectrometer at the GSI Schwerionen Synchrotron (SIS). Stable and radioactive Sn and La beams with an incident energy of 600…

Isospin effect of the statistical emission fragments from the equilibrated source is investigated in the frame of statistical binary decay implemented into GEMINI code, isoscaling behavior is observed and the dependences of isoscaling…

Nuclear Theory · Physics 2008-11-26 W. D. Tian , Y. G. Ma , X. Z. Cai , D. Q. Fang , W. Guo , W. Q. Shen , K. Wang , H. W. Wang , M. Veseslky

Isotopic effects observed in fragmentation reactions induced by protons, deuterons, and alpha particles of incident energies between 660 MeV and 15.3 GeV on 112-Sn and 124-Sn targets are discussed. The exponential scaling of the yield…

Nuclear Theory · Physics 2009-11-07 A. S. Botvina , O. V. Lozhkin , W. Trautmann

The symmetry energy and the isoscaling properties of the fragments produced in the multifragmentation of $^{40}$Ar, $^{40}$Ca + $^{58}$Fe, $^{58}$Ni reactions at 25 - 53 MeV/nucleon were investigated within the framework of statistical…

Different statistical multifragmentation models have been used to study isoscaling, i.e. the factorization of the isotope ratios from two reactions, into fugacity terms of proton and neutron number, R21(N,Z)=Y2(N,Z)/Y1(N,Z)=C*exp(a*N+b*Z).…

The projectile fragmentation reactions using $^{58}Ni$ $\&$ $^{64}Ni$ beams at 140 MeV/n on targets$^{9}Be$ $\&$ $^{181}Ta$ are studied using the canonical thermodynamical model coupled with an evaporation code. The isoscaling property of…

Nuclear Theory · Physics 2011-01-17 Gargi Chaudhuri , Swagata Mallik

A three parameter scaling relationship between isotopic distributions for elements with Z$\leq 8$ has been observed that allows a simple description of the dependence of such distributions on the overall isospin of the system. This scaling…

Nuclear Experiment · Physics 2008-11-26 M. B. Tsang , W. A. Friedman , C. K. Gelbke , W. G. Lynch , G. Verde , H. Xu

The isoscaling properties of isotopically resolved projectile residues from peripheral collisions of 86Kr (25 MeV/nucleon), 64Ni (25 MeV/nucleon) and 136Xe (20 MeV/nucleon) beams on various target pairs are employed to probe the symmetry…

Nuclear Experiment · Physics 2009-11-11 G. A. Souliotis , D. V. Shetty , A. Keksis , E. Bell , M. Jandel , M. Veselsky , S. J. Yennello

Based on an extended compound nucleus model, isospin effects in statistical fragment emission from excited nuclear systems are investigated. An experimentally observed scaling behavior of the ratio of isotope yields $Y_i(N,Z)$ from two…

Nuclear Theory · Physics 2009-05-29 W. Ye , J. Tõke , W. U. Schröder

A scaling phenomenon in the cross section for fragments has been found in the projectile fragmentation reaction, and an empirical scaling formula is proposed by considering the dependence of cross section on the size and asymmetry of the…

Nuclear Theory · Physics 2017-05-23 Yi-Dan Song , Chun-Wang Ma , Xue-Ying Liu , Hui-Ling Wei

Isotopic effects in the fragmentation of excited target residues following collisions of $^{12}$C on $^{112,124}$Sn at incident energies of 300 and 600 MeV per nucleon were studied with the INDRA 4$\pi$ detector. The measured yield ratios…

The formation of the projectile spectator and the fragmentation processes in 107,124Sn + 120Sn collisions at 600 MeV/nucleon are studied with the isospin-dependent quantum molecular dynamics (IQMD) model. The minimum spanning tree algorithm…

Nuclear Theory · Physics 2018-10-31 Jun Su , Wolfgang Trautmann , Long Zhu , Wen-Jie Xie , Feng-Shou Zhang

Isotopic effects in spectator fragmentations following heavy-ion collisions at relativistic energies are investigated using data from recent exclusive experiments with SIS beams at GSI. Reactions of 12C on 112,124Sn at incident energies 300…

Nuclear Experiment · Physics 2008-11-26 W. Trautmann
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