${{\mathit D}^{\pm}}$ MEAN LIFE

INSPIRE  
Measurements with an error $>100 \times 10^{-15}~$s have been omitted from the Listings.
VALUE ($ 10^{-15} $ s) EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 1033 \pm5}$ OUR AVERAGE
$1030.4$ $\pm4.7$ $\pm3.1$ 171k 1
ABUDINEN
2021A
BEL2 ${{\mathit e}^{+}}{{\mathit e}^{-}}$ at ${{\mathit \Upsilon}{(4S)}}$
$1039.4$ $\pm4.3$ $\pm7.0$ 110k
LINK
2002F
FOCS ${{\mathit \gamma}}$ nucleus, $\approx{}$180 GeV
• • We do not use the following data for averages, fits, limits, etc. • •
$1033.6$ $\pm22.1$ ${}^{+9.9}_{-12.7}$ 3.7k
BONVICINI
1999
CLEO ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $\approx{}{{\mathit \Upsilon}{(4S)}}$
$1048$ $\pm15$ $\pm11$ 9k
FRABETTI
1994D
E687 ${{\mathit D}^{+}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$
$1075$ $\pm40$ $\pm18$ 2.4k
FRABETTI
1991
E687 ${{\mathit \gamma}}$ Be, ${{\mathit D}^{+}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$
$1030$ $\pm80$ $\pm60$ 200
ALVAREZ
1990
NA14 ${{\mathit \gamma}}$ , ${{\mathit D}^{+}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$
$1050$ ${}^{+77}_{-72}$ 317 2
BARLAG
1990C
ACCM ${{\mathit \pi}^{-}}{}^{}\mathrm {Cu}$ 230 GeV
$1050$ $\pm80$ $\pm70$ 363
ALBRECHT
1988I
ARG ${{\mathit e}^{+}}{{\mathit e}^{-}}$ 10 GeV
$1090$ $\pm30$ $\pm25$ 2.9k
RAAB
1988
E691 Photoproduction
1  ABUDINEN 2021A determines the lifetime ratio $\tau ({{\mathit D}^{+}}$ )/$\tau ({{\mathit D}^{0}}$ ) = $2.510$ $\pm0.013$ $\pm0.007$.
2  BARLAG 1990C estimates the systematic error to be negligible.
References:
ABUDINEN 2021A
PRL 127 211801
LINK 2002F
PL B537 192 New Measurements of the ${{\mathit D}^{0}}$ and ${{\mathit D}^{+}}$ Lifetimes
BONVICINI 1999
PRL 82 4586 Measurement of Charm Meson Lifetimes
FRABETTI 1994D
PL B323 459 Precise Measurements of the ${{\mathit D}^{0}}$ and ${{\mathit D}^{+}}$ Meson Lifetimes
FRABETTI 1991
PL B263 584 Measurement of the ${{\mathit D}^{0}}$ and ${{\mathit D}^{+}}$ Lifetimes
ALVAREZ 1990
ZPHY C47 539 Lifetime Measurements of the ${{\mathit D}^{+}}$ , ${{\mathit D}^{0}}$ , ${{\mathit D}_{{s}}^{+}}$ , and ${{\mathit \Lambda}_{{c}}^{+}}$ Charmed Particles
BARLAG 1990C
ZPHY C46 563 Measurement of the Masses and Lifetimes of the Charmed Mesons ${{\mathit D}^{0}}$ , ${{\mathit D}^{+}}$ and ${{\mathit D}_{{s}}^{-}}$
ALBRECHT 1988I
PL B210 267 Lifetimes of Charmed Mesons
RAAB 1988
PR D37 2391 Measurement of the ${{\mathit D}^{0}}$ , ${{\mathit D}^{+}}$ , and ${{\mathit D}_{{s}}^{+}}$ Lifetime