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作者:H. Zheng (郑华 , X. Liu (刘星泉 ...
来源:[J].2019, Vol.99 (2), pp.024616
摘要:The experimental liquid-gas phase transition signals are examined for the quasiprojectile (QP) reconstructed from the reactions of Ar40+Al27, Ti48, Ni58 at 47 MeV/nucleon, using measures of caloric curve, multiplicity derivative, moment parameters, and fluctuation of maximum...
作者:H. Zheng (郑华 , X. Liu (刘星泉 ...
来源:[J].2019, Vol.99 (5), pp.054616
摘要:A systematic study of system size, N/Z asymmetry, and fragmenting volume effects as well as the Coulomb effect on experimental measures for the nuclear liquid-gas phase transition and the mechanism of phase transition are carried out in the framework of the statistical multi...
作者:H. Zheng (郑华 , P. Ren (任培培 ...
来源:[J].2018, Vol.97 (4), pp.044603
摘要:A statistical multifragmentation model (SMM) is applied to the experimentally observed multifragmentation events in an intermediate heavy-ion reaction. Using the temperature and symmetry energy extracted from the isobaric yield ratio (IYR) method based on the modified Fisher mode...
作者:H. Zheng (郑华 , M. Barbui
来源:[J].2014, Vol.90 (1), pp.014604
摘要:The mass dependence of the transverse flow in the reactions of 40Ca+40Ca at 35 MeV/nucleon has been determined for emitted isotopes with Z=1 to 9. The observed flow is compared with that calculated using a constrained molecular dynamics (CoMD) simulation. With the application of ...
作者:... L. Qin (秦礼君 , P. K. Sahu , H. Zheng (郑华
来源:[J].2014, Vol.90 (4), pp.044603
摘要:The characteristic properties of the hot nuclear matter existing at the time of fragment formation in multifragmentation events produced in the reaction 64Zn+Sn112 at 40 MeV/nucleon are studied. A kinematical focusing method is employed to determine the multiplicities of eva...
作者:H. Zheng (郑华 , J. B. Natowitz
来源:[J].2014, Vol.90 (1), pp.014605
摘要:For central collisions of Ca40+Ca40 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 temperature, asym/T, extracted from the yields of pri...

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