Table 1

Values of p found in different physical environments.

p Comments Reference

23 Perpendicular heating in Feldman et al. (1983a)
interplanetary shocks

47.5 Flat-topped distributions in Feldman et al. (1983a)
interplanetary shocks

3.64 Ion acoustic heating in Dum et al. (1974)
laboratory studies

2.513 Comet G-Z Thomsen et al. (1986)

215 Comet 67P This study

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