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		题名	作者	年代	出处	被引量
	1	Direct Urca processes involving hyperons in neutron star matter显示文摘The presence of the isovector scalar interaction in neutron star matter is considered by exchangingδmeson;we study the effects ofδmesons on the direct Urca processes involving hyperons.The calculation is based on the framework of the relativistic mean field theory.By our analysis,the hyperon direct Urca processes under beta equilibrium are open at lower densities due toδmesons,which create a larger energy gap between two baryons in the reactions.Theδmeson leads to an obvious enhancement of the neutrino emissivity for the hyperon direct Urca processes.In particular,the relativistic neutrino emissivity is found to be substantially larger than predicted in the nonrelativistic approach whetherδmesons appear in an neutron star or not.In our results,δmesons not only change the baryons properties,but also result in more rapid cooling rate of neutron stars by hyperon direct Urca processes.	Yan Xu Guang-Zhou Liu Cheng-Zhi Liu Cun-Bo Fan Xing-Wei Han Xiao-Jun Zhang Hong-Yan Wang Ming-Feng Zhu Yu Meng	2014	Chinese Science Bulletin2014，59，3：	0
	2	On the structure of isomeric state in neutron-rich 108Zr: A projected shell model analysis显示文摘Inspired by the recent experimental identification of the new isomer with a half-life of(620±150) ns in the very neutron-rich nucleus 108 Zr, we apply the projected shell model with axially-deformed bases to discuss possible shapes near the ground state and the nature of the isomer. The structure of the new isomer is investigated by restricting the calculation to prolate and oblate shapes. It is shown that the isomer can be understood as a K-isomer. Meanwhile, the calculation predicts more low-lying high-K configurations, which may be confirmed by future experiments.	LIU YanXin YU ShaoYing SUN Yang	2015	Science China(Physics,Mechanics & Astronomy)2015，58，11：	0

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