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Table 1 Characteristics of the molecular beam of OH radicals generated by discharging H2O in different carrier gases

From: Optimizing the density of Stark decelerated radicals at low final velocities: a tutorial review

Carrier gas

Mean velocity

Velocity spread

Ground state population

Density

 

(m/s)

(FWHM) (%)

(%)

(×1011/cm3)

Ar

670.5 ± 6.3

9.8 ± 0.5

>98

3.0 ± 0.6

Kr

483.5 ± 5.0

13.1 ± 0.6

>98

2.9 ± 0.6

Xe

385.1 ± 4.0

9.2 ± 0.8

>98

0.9 ± 0.2

  1. From Ref. [42]