Measurement of the ³ He ⁺ /H ₂ ⁺ Mass Ratio

Abstract

A compensated Penning trap has been used to measure the modified cyclotron frequency v: and the magnetron frequency v, of single trapped 3He+ and HZ ions. From the ratio of the sum of these frequencies we obtain a mass ratio m$He+)/m(H,') = 1.496441 095(6) in accordance with published values.