Isoscaling in central 124 Sn + 64 Ni, 112 Sn + 58 Ni collisions at 35 A MeV

Isoscaling in central 124 Sn + 64 Ni, 112 Sn + 58 Ni collisions at 35 A MeV
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DOI：
10.1016/j.nuclphysa.2003.11.055
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发表时间：
2004-02
期刊：
Nuclear Physics
影响因子：
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通讯作者：
E. Geraci;M. Bruno;M. D'Agostino;E. Filippo;A. Pagano;G. Vannini;M. Alderighi;A. Anzalone;L. Auditore;V. Baran;R. Barnà;M. Bartolucci;I. Berceanu;J. Blicharska;A. Bonasera;B. Borderie;R. Bougault;J. Brzychczyk;G. Cardella;S. Cavallaro;A. Chbihi;J. Cibor;M. Colonna;D. Pasquale;M. Toro;F. Giustolisi;A. Grzeszczuk;P. Guazzoni;D. Guinet;M. Iacono-Manno;A. Italiano;S. Kowalski;E. Guidara;G. Lanzalone;G. Lanzanò;N. Neindre;S. Li;S. Nigro;C. Maiolino;Z. Majka;G. Manfredi;T. Paduszynski;M. Papa;M. Petrovici;E. Piasecki;S. Pirrone;G. Politi;A. Pop;F. Porto;M. Rivet;E. Rosato;S. Russo;P. Russotto;G. Sechi;V. Simion;M. Sperduto;J. Steckmeyer;A. Trifirò;M. Trimarchi;M. Vigilante;J. Wieleczko;J. Wilczyński;H. Wu;Z. Xiao;L. Zetta;W. Zipper
E. Geraci;M. Bruno;M. D'Agostino;E. Filippo;A. Pagano;G. Vannini;M. Alderighi;A. Anzalone;L. Auditore;V. Baran;R. Barnà;M. Bartolucci;I. Berceanu;J. Blicharska;A. Bonasera;B. Borderie;R. Bougault;J. Brzychczyk;G. Cardella;S. Cavallaro;A. Chbihi;J. Cibor;M. Colonna;D. Pasquale;M. Toro;F. Giustolisi;A. Grzeszczuk;P. Guazzoni;D. Guinet;M. Iacono-Manno;A. Italiano;S. Kowalski;E. Guidara;G. Lanzalone;G. Lanzanò;N. Neindre;S. Li;S. Nigro;C. Maiolino;Z. Majka;G. Manfredi;T. Paduszynski;M. Papa;M. Petrovici;E. Piasecki;S. Pirrone;G. Politi;A. Pop;F. Porto;M. Rivet;E. Rosato;S. Russo;P. Russotto;G. Sechi;V. Simion;M. Sperduto;J. Steckmeyer;A. Trifirò;M. Trimarchi;M. Vigilante;J. Wieleczko;J. Wilczyński;H. Wu;Z. Xiao;L. Zetta;W. Zipper
中科院分区：
其他
文献类型：
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作者：
E. Geraci;M. Bruno;M. D'Agostino;E. Filippo;A. Pagano;G. Vannini;M. Alderighi;A. Anzalone;L. Auditore;V. Baran;R. Barnà;M. Bartolucci;I. Berceanu;J. Blicharska;A. Bonasera;B. Borderie;R. Bougault;J. Brzychczyk;G. Cardella;S. Cavallaro;A. Chbihi;J. Cibor;M. Colonna;D. Pasquale;M. Toro;F. Giustolisi;A. Grzeszczuk;P. Guazzoni;D. Guinet;M. Iacono-Manno;A. Italiano;S. Kowalski;E. Guidara;G. Lanzalone;G. Lanzanò;N. Neindre;S. Li;S. Nigro;C. Maiolino;Z. Majka;G. Manfredi;T. Paduszynski;M. Papa;M. Petrovici;E. Piasecki;S. Pirrone;G. Politi;A. Pop;F. Porto;M. Rivet;E. Rosato;S. Russo;P. Russotto;G. Sechi;V. Simion;M. Sperduto;J. Steckmeyer;A. Trifirò;M. Trimarchi;M. Vigilante;J. Wieleczko;J. Wilczyński;H. Wu;Z. Xiao;L. Zetta;W. Zipper

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{sup用688 Si-CsI望远镜研究了入射能量为35 A MeV的124}Sn+{sup 64}Ni和{sup 112}Sn+{sup 58}Ni反应。{<=}{theta}{sub lab}{<=}30 deg.）CHIMERA多探测器通过对实验观测值的多维分析，选择了最中心的部分，即总测量横截面的1%。检测到的轻碎片的同位素（3{<=}Z{<=}8）提供了关于发射源的分裂温度的信息。这些源的时空结构是从碎片的相关性推导出来的。在碎片的生产，增强的入口通道的同位旋的奇偶效应，被观察到。冻结出未结合的中子-质子的相对密度为两个研究的反应已经推导出，表明一个可能的同位旋蒸馏机制有关的现象，在不对称系统中的液-气相变。
{sup 124}Sn+{sup 64}Ni and {sup 112}Sn+{sup 58}Ni reactions at 35 A MeV incident energy were studied by using the 688 Si-CsI telescopes of the forward part (1 deg. {<=}{theta}{sub lab}{<=}30 deg.) of CHIMERA multi-detector. The most central part, 1% of the total measured cross section was selected by means of a multidimensional analysis of the experimental observables. The detected isotopes of light fragments (3{<=}Z{<=}8) provided information on breakup temperatures of the emitting sources. The space-time structure of these sources was deduced from fragment correlations. An odd-even effect in the fragment production, enhanced by the isospin of the entrance channel, was observed. Freeze-out unbound neutron-to-proton relative densities for both studied reactions have been deduced, indicating for a possible isospin distillation mechanism related to a phenomenon of the liquid-gas phase transition in asymmetric systems.