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题名: Direct URCA process in neutron stars
作者: Shen, G ;  Meng, J ;  Hillhouse, GC
刊名: HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
出版日期: 2004
卷号: 28, 期号:0, 页码:99-101
关键词: HALO
学科分类: Physics
通讯作者: Shen, G , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
部门归属: Peking Univ, Sch Phys, Beijing 100871, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100871, Peoples R China; Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China; Univ Stellenbosch, Dept Phys, Stellenbosch, South Africa
英文摘要: The onset of the most powerful neutrino emission candidate in the cooling of neutron stars, direct URCA process, requires a high threshold proton fraction. The proton fraction in neutron stars relies on the isospin dependent part of nuclear force, which can be constrained by the measurement of the neutron skin thickness in heavy nuclei such as Pb-208. Adding new isospin dependent correction terms to the effective interactions PK1, NL3, S271 and Z271, the correlation between the proton fraction and neutron skin thickness in Pb-208 is studied. For a neutron star with fixed mass, the central proton fraction increases with increasing predicted values of neutron skin thickness in Pb-208.
收录类别: SCI
WOS记录号: WOS:000229226900029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13943
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Shen, G,Meng, J,Hillhouse, GC. Direct URCA process in neutron stars[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2004,28(0):99-101.
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