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Preferential Heating of Protons over Alpha Particles near Turbulent Coherent Structures: Parker Solar Probe Observations

  • Authors: Jiayang Xi, Tieyan Wang, Daniel Verscharen, Yan Yang, Luca Sorriso-Valvo, Xinyi Wang, Wenhao Chen, Zuzheng Chen, Zeren Zhima, Chao Xiao, Xiangcheng Dong, Jin Liu, Xiang Li, Guoqi Liu, Naifei Gou, Xiaoxiao Qin, Malcolm Dunlop, Jinbin Cao

Jiayang Xi et al 2026 The Astrophysical Journal Letters 1007 .

  • Provider: AAS Journals

Caption: Figure 4.

Median of the plasma environment and composition parameters under different PVI thresholds. (a) Normalized drift speed δvα,p between alpha particles and protons. (b) Collision age Nc. (c) Plasma beta β. (d) Alpha-to-proton density ratio nα/np.

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