</p>

LAPLACE (measurements after 1975)click to expand or collapse

Data Group [SwarmGroup17]: Jeon, B.-H. and Y. Nakamura , J. Phys. D: Appl. Phys. 31 2145 (1998).

e / O2:Ar

e / O2:Ar (4.994:95.006)

Data Group [SwarmGroup18]: Byoung-Hoon Jeon and Yoshiharu Nakamura , J. Phys. D: Appl. Phys. 31 2145 (1998).

e / O2:Ar

e / O2:Ar (1.01:98.99)

e / O2:Ar (4.994:95.006)