A Measurement of the D0 and D+ Lifetimes
by P.L. Frabetti et al.
Abstract. We present precision measurements of the D0 and D+ meson lifetimes using approximately 7500 fully reconstructed D0 --> K pi, K pi pi pi, D+ --> K pi pi, and charge conjugate decays. The data were accumulated by the Fermilab high energy photoproduction experiment E687. The lifetime of the D0 is measured to be 0.424 +- 0.011 +- 0.007 picoseconds while the D+ lifetime is measured to be 1.075 +- 0.040 +- 0.018 picoseconds.