Light ions

Cylindrical chambers

Plane-parallel chambers

Component

Light ions

60Co + light ions

Light ions

60Co + light ions

sw,air

2.0

2.1

2.0

2.1

Wair/e

1.5

1.5

1.5

1.5

pQ (combined)

1.0

1.0

1.0

1.8

Total uncertainty in kQ,Qo

-

2.8

-

3.2