中子星相关核物理与中微子辐射郑小平华中师范大学2016,南京JUNO2016•中子星图像•URCA过程与中子星Cooling•中微子辐射与中子星壳层热结构•年轻中子星的高能中微子辐射•小结中子星图像URCA过程与中子星CoolingYakovlenetal,Phys.Rep.2001ECkTddVTCLLtLattimer,PrakashScienceVol.3042004(536-542)EChemicalenergyrelease—NucleonMattermax31,82EReisenggerApJ20062chemicalpotentialsGlobalchargeneutralityor1992GlendenningPRDChemicalenergyrelease—PhaseTransitionZheng,Zhou,Yang,2014,PLB729,79WIMPannihilationH298.4310NBAfmHms-Pulsars中微子辐射与中子星壳层热结构•平衡系统•e-Capture•URCAShell平衡系统Yakovlenetal,Phys.Rep.2001纯轻子BremsstrahlungandCooperpairse-Capture质量staggering决定一步capture或两步capture16eEHaenseletal1992,2016URCAShell,eECxxQEEkT3EkTShatzetal2014equilibrium对吸积中子星热核暴点火机制的挑战EWang,ZhenginprepationMXB1659-29KS1731-260TypeIThemonuclearBursts中子星的高能中微子辐射YoungneutronstarsLinketal2005,2006事件率估计AccretingX-raypulsars小结•从核心到表面涉及许多中微子辐射过程•中微子辐射是中子星重要的冷却机制•中微子过程是热结构与演化的关键因素•只有磁层可辐射高能中微子