Experimental liquid-gas phase transition signals and reaction dynamics

doi:10.1103/PhysRevC.99.024616

	Experimental liquid-gas phase transition signals and reaction dynamics
	Wada, R.1; Lin, W.2; Ren, P.2; Zheng, H.3; Liu, X.4; Huang, M.5; Yang, K.6; Hagel, K.1
刊名	PHYSICAL REVIEW C
	2019-02-19
卷号	99 页码:11
ISSN号	2469-9985
DOI	10.1103/PhysRevC.99.024616
通讯作者	Wada, R.(wada@comp.tamu.edu)
英文摘要	The experimental liquid-gas phase transition signals are examined for the quasiprojectile (QP) reconstructed from the reactions of Ar-40 + Al-27, Ti-48, Ni-58 at 47 MeV/nucleon, using measures of caloric curve, multiplicity derivative, moment parameters, and fluctuation of maximum fragment charge number (NVZ). The QP source is reconstructed, using moving source parametrizations on an event-by-event basis. For the determination of the temperature, a quadrupole fluctuation thermometer is used. Deuterons are chosen for the thermometer to minimize the Coulomb and secondary sequential decay effects. A new event-by-event method is proposed for the thermometer to determine the temperature. All measures show a characteristic signature around the temperature T = 9.0 +/- 0.4 MeV, which may suggest that the QP system goes into the liquid-gas phase transition at T-c = 8.3 +/- 0.4 MeV after the Coulomb correction.
资助项目	U.S. Department of Energy[DE-FG02-93ER40773] ; Robert A. Welch Foundation[A330] ; National Natural Science Foundation of China[11805138] ; National Natural Science Foundation of China[11705242] ; Program for Light of West China, the Chinese Academy of Science (CAS)[29Y601030] ; National MCF Energy R&D Program (MOST)[2018YFE0310200] ; Fundamental Research Funds for the Central Universities in China[YJ201820]
WOS关键词	NEGATIVE HEAT-CAPACITY ; HOT NUCLEI ; STATISTICAL MULTIFRAGMENTATION ; EXCITATION-ENERGIES ; TEMPERATURE ; COLLISIONS ; MATTER ; FRAGMENTATION ; FLUCTUATIONS ; DEPENDENCE
WOS研究方向	Physics
语种	英语
出版者	AMER PHYSICAL SOC
WOS记录号	WOS:000459206200008
资助机构	U.S. Department of Energy ; Robert A. Welch Foundation ; National Natural Science Foundation of China ; Program for Light of West China, the Chinese Academy of Science (CAS) ; National MCF Energy R&D Program (MOST) ; Fundamental Research Funds for the Central Universities in China
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/65012]
专题	中国科学院近代物理研究所
通讯作者	Wada, R.
作者单位	1.Texas A&M Univ, Cyclotron Inst, College Stn, TX 77843 USA 2.Sichuan Univ, Inst Nucl Sci & Technol, Key Lab Radiat Phys & Technol, Minist Educ, Chengdu 610064, Sichuan, Peoples R China 3.Shaanxi Normal Univ, Sch Phys & Informat Technol, Xian 710119, Shaanxi, Peoples R China 4.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China 5.Inner Mongolia Univ Nationalities, Coll Phys & Elect Informat, Tongliao 028000, Peoples R China 6.Xingyi Normal Univ Nationalities, Sch Phys & Engn Technol, Xingyi 562400, Peoples R China
推荐引用方式 GB/T 7714	Wada, R.,Lin, W.,Ren, P.,et al. Experimental liquid-gas phase transition signals and reaction dynamics[J]. PHYSICAL REVIEW C,2019,99:11.
APA	Wada, R..,Lin, W..,Ren, P..,Zheng, H..,Liu, X..,...&Hagel, K..(2019).Experimental liquid-gas phase transition signals and reaction dynamics.PHYSICAL REVIEW C,99,11.
MLA	Wada, R.,et al."Experimental liquid-gas phase transition signals and reaction dynamics".PHYSICAL REVIEW C 99(2019):11.