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MEASUREMENTS OF THE IONIC CHARGE STATES OF SOLAR ENERGETIC PARTICLES USING THE GEOMAGNETIC FIELD

机译:利用地磁场测量太阳能粒子的离子电荷态。

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摘要

The mean charge states of C, N, O, Ne, Na, Mg, Al, Si, S, Ar, Ca, Fe, and Ni ions with ~15-70 MeV nucleon~(-1) in the two large solar energetic particle (SEP) events of 1992 October 30 and November 2 have been determined using measurements of the invariant latitude of the cosmic-ray cutoffs of these elements from the Mass Spectrometer Telescope on the polar-orbiting SAMPEX satellite. The deduced charge state values are in good agreement with the mean values measured directly in previous SEP events at much lower energies of ~1 MeV nucleon~(-1). The inferred equilibrium source temperatures are confirmed to be typically 2 x 10~6 K, which provides additional evidence that SEPs in gradual-type events are accelerated coronal material.
机译:两个大太阳高能中C,N,O,Ne,Na,Mg,Al,Si,S,Ar,Ca,Fe和Ni离子的平均电荷态〜15-70 MeV核子〜(-1)通过测量来自极轨SAMPEX卫星上质谱仪望远镜的这些元素的宇宙射线截止的不变纬度,确定了1992年10月30日和11月2日的粒子事件(SEP)。推导的电荷状态值与在以前的SEP事件中直接测量的平均值相一致,该平均值在〜1 MeV核仁〜(-1)较低的能量下。推论得出的平衡源温度通常确定为2 x 10〜6 K,这提供了进一步的证据,证明渐进式事件中的SEP是冠状物质加速。

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