Half-life determination of 88Y and 89Sr

Half-life measurements have been carried out at LNHB for 88Y using a 4π γ-ionisation chamber and for 89Sr using a proportional counter. The determined half-life values and associated standard uncertainties are 106.63±0.05 d for 88Y and 50.65±0.05 d for 89Sr, being consistent with relevant values reported in literature. Based on the present results and relevant literature values revised recommended half-life values and associated standard uncertainties are proposed, viz. 106.626±0.021 d for 88Y and 50.57±0.03 d for 89Sr.