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${{\mathit \Xi}_{{c}}^{0}}$ MEAN LIFE

INSPIRE   PDGID:

S048T

VALUE ($ 10^{-15} $ s) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 151.9 \pm2.4}$ OUR AVERAGE $153.4$ $\pm2.4$ $\pm0.7$ 22k 1 AAIJ 2019 AG LHCB ${{\mathit \Xi}_{{c}}^{0}}$ $\rightarrow$ ${{\mathit p}}{{\mathit K}^{-}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$ $118$ ${}^{+14}_{-12}$ $\pm5$ 110 LINK 2002 H FOCS ${{\mathit \gamma}}$ nucleus, $\approx{}$180 GeV $101$ ${}^{+25}_{-17}$ $\pm5$ 42 FRABETTI 1993 C E687 ${{\mathit \gamma}}{}^{}\mathrm {Be}$, ${{\overline{\mathit E}}}_{\gamma }$= 220 GeV $82$ ${}^{+59}_{-30}$ 4 BARLAG 1990 ACCM ${{\mathit \pi}^{-}}$ (${{\mathit K}^{-}}$) ${}^{}\mathrm {Cu}$ 230 GeV 1  AAIJ 2019AG reports [${{\mathit \Xi}_{{c}}^{0}}$ MEAN LIFE] $/$ [${{\mathit D}^{\pm}}$ MEAN LIFE] = $0.1485$ $\pm0.0017$ $\pm0.0016$ which we multiply by our best value ${{\mathit D}^{\pm}}$ MEAN LIFE = ($1.033$ $\pm0.005$) $ \times 10^{-12}$ s. Our first error is their experiment's error and our second error is the systematic error from using our best value.

References:

AAIJ 2019AG PR D100 032001 Precision measurement of the $\Lambda_c^+$, $\Xi_c^+$ and $\Xi_c^0$ baryon lifetimes LINK 2002H PL B541 211 A New Measurement of the ${{\mathit \Xi}_{{c}}^{0}}$ Lifetime FRABETTI 1993C PRL 70 2058 Measurement of the Lifetime of the ${{\mathit \Xi}_{{c}}^{0}}$ BARLAG 1990 PL B236 495 First Measurement of the Lifetime of the Charmed Strange Baryon ${{\mathit \Xi}_{{c}}^{0}}$