nucleosynthesis相关论文
Lithium isotopes have attracted an intense interest because the abundance of both 6Li and 6Li from big bang nucleosynthe......
在星际演化过程中 ,通过热核聚变和中子俘获等核反应 ,合成了氢、氦直到原子序数为 92的铀的所有原子核.该文简单介绍元素核合成的......
The electron capture of neutron-rich nuclei in fp shell in massive stars at presupeova stage is discussed based on the n......
By using the new Coulomb screening model and most recent experimental results, this paper calculates the resonance react......
A new improved nuclear partition function is employed to calculate the nuclear statistical equilibrium (NSE) in core-col......
Based on a new screening Coulomb model, this paper discusses the effect of electron screening on proton capture reaction......
A simple and efficient screening model for studying the effects of superstrong magnetic fields (such as those of magneta......
,Determination of the stellar reaction rate for 12C(α,γ)16O:using a new expression with the reaction
The astrophysical reaction rate of 12C(α,γ)16O plays a key role in massive star evolution.However,this reaction rate a......
本文通过对荣华二采区10...
We present nuclear physics programs based on the planned experiments using rare isotope beams(RIBs) for the future Korea......
简要地评述天体核过程,着重讨论爆发性氢燃烧过程,并利用最新的反应率实验数据对氢燃烧过程进行了计算.指出从热pp链通过11C的质子......
Stellar nucleosynthesis yield is a vital factor of galactic chemical evolution model. With different yields, various evo......
The steady equilibrium conditions for a mixed gas of neutrons,protons,electrons,positrons and radiation fields(abbreviat......
Big Bang Nucleosynthesis in Carmeli Cosmology—Mass Density, Temperature and Expansion Rate of the Ea
The Carmeli Cosmological Special Relativity theory (CSR) is used to study the universe at early times after the big bang......
Big Bang Nucleosynthesis in Carmeli Cosmology—Mass Density, Temperature and Expansion Rate of the Ea
The Carmeli Cosmological Special Relativity theory (CSR) is used to study the universe at early times after the big bang......
In this note, we present a result from an earlier work which shows that the so-called Lithium problem is nothing more th......
介绍了重元素核合成理论和一些最新的AGB星核合成模型,利用参数化方法计算了AGB星核合成的产量,得到了不同中子数密度（初始金属丰度......
文章根据随前身星质量增加Ⅱ型超新星爆发α元素的产量并不单调增加的情况下，将贫金属星Ba元素的观测丰度分为两支，其中i支元素丰度......
以＾１３Ｃ（ａ，ｎ）＾１６Ｏ及＾２２Ｎｅ（ａ，ｎ）＾２５Ｍｇ作为双脉冲中子原，对于星族Ⅰ低质量ＡＧＢ星，采用无分叉ｓ－过程反应通，结合最新恒星演化的计算结果，在各物理参量合理取值范围内，计算了ＡＧＢ星表......
根据目前已测得的贫金属星中重元素钡和铕的观测丰度 ,利用通常的最小二乘法确定了 [Eu/ H]和[Ba/ H]之间的线性相关关系 ,并利用 ......
首先考虑到随前身星质量增加Ⅱ型超新星爆发α元素的产量并不单调增加，从而导致Ⅱ型超新星所污染的星际气体的α元素丰度出现反转的......
提出了一种计算钡星重元素丰度的参数化模型，利用此模型模拟了16颗新观测到的钡星，结果与观测符合，证明了模型的有效性。通过该模型计......
利用参数化模型研究了s-过程与r-过程元素均超丰的贫金属星（s＋r星）CS 31062-050的观测丰度.计算得到,原AGB星的重叠因子取值为0.35,其......
介绍了重元素核合成理论，利用对流模型计算了AGB星核合成产量随金属丰度的变化．发现在低金属丰度条件下的不同质量AGB星中存在的较大......
先引入随时间t变化的星系中子辐照量分布函数gρal（t,τ）描述各演化阶段星系s-过程核素丰度的分布规律.利用星系化学演化的三成分模......
提出了一种计算钡星重元素丰度的参数化方法,利用此方法对7颗钡星进行了参数化研究,计算出这些星的最佳拟合参数及其重元素丰度.对......
综述了近扯为ＡＧＢ星核合成的理论研究情况，包括轻，重核素核合成理论，ＡＧＢ星的分类，ＡＧＢ星的演化特征，ＡＧＢ星内的元素核合成理论的研究及外赋ＭＳ，Ｓ 双星吸积机......
阐明了标准大爆炸核事成（ＳＢＢＮ）模型的理论和观测状况，着重讨论了１９９４年的最新进展：已有３位有效数字的＾４Ｈｅ丰度初值Ｙ４ｐ与由银河系观测推得的Ｄ＋＾３Ｈｅ丰度原初值Ｙ２３ｐ间......
在黄超级巨人的钠过剩走了为超过 20 年的人。这篇论文的目的是从核物理学的观点探索这个问题。我们小心地调查为钠生产负责的 CNO......
The cross section for a neutron-deuteron （nd） radiative capture is calcu-lated using the pionless effective field theory i......
Dynamics of neutrino-driven winds： inclusion of accurate weak interaction rates in strong magnetic f
Solving Newtonian steady-state wind equations while considering the accurate weak interaction rates and magnetic fields(......
基于大量贫金属星元素丰度的观测资料，以太阳系重元素丰度分布为标准，选取Sr、Ba、Eu分别作为贫金属星弱S-过程、主要S-过程、r-过程......
We study the finite temperature and density effects on beta decay rates to compute their contributions to nucleosynthesi......
We study the finite temperature and density effects on beta decay rates to compute their contributions to nucleosynthesi......
Influence of Supernova SN Ia Rate and the Early Star Formation Rate on the Galactic Chemical Evoluti
Based on the recently developed numerical approach to understand the formation and the chemical evolution of the milky-w......
We formulate the idea of a Universe crossing different evolving phases where in each phase one can define a basic field ......
It is of particular interest to investigate nuclear fusion reactions generated by high-intensity lasers in plasma enviro......
【正】 Using the molecular orbital theory including α transfer mechanism, calculations arepresented of the sub-barrier ......
【正】 Using the molecular orbital theory including α transfer mechanism, calculations arepresented of the sub-barrier ......
Neutrinos play an important role in stellar evolution.They are produced by nuclear reactions or thermal processes.Using ......
本文以＾１３Ｃ（α，ｎ）＾１６Ｏ作为中子源，考虑到恒星核心质量随热脉冲数的变化及星风，超星风质量损失的影响，采用从＾５６Ｆｅ到＾２１０Ｂｉ的无分支ｓ过程反应通道，拟合了ＭＳ，Ｓ的重元素......
本文以＾１３Ｃ（α，ｎ）＾１６Ｏ及＾２２Ｎｅ（α，ｎ）＾２５Ｍｇ作为双脉冲中子源，对于质量为３Ｍ⊙、初始金属度为０．０１５的热脉冲ＡＧＢ星，采用无分叉ｓ－过程反应通道，结合最新恒星演化的计算结果，在各参量......
针对低能反应和Gamow—Teller共振跃迁，分析了在恒星内部电荷屏蔽对β衰变率的影响，对共振跃迁的分析是基于核的壳层模型,作为例子，详......
分析了电荷屏蔽对超新星前身星环境下的电子俘获反应的影响,分析中强电荷屏蔽势能采用了最近人们利用线性响应理论给出的结果,对核......
