${{\mathit \Lambda}{(1405)}}$ WIDTH

PRODUCTION EXPERIMENTS

INSPIRE   PDGID:
B037W1
VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 50.5 \pm2.0}$ OUR AVERAGE
$62$ $\pm10$
HASSANVAND
2013
SPEC ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \Lambda}{(1405)}}{{\mathit K}^{+}}$
$50$ $\pm2$ 1
DALITZ
1991
M-matrix fit
• • We do not use the following data for averages, fits, limits, etc. • •
$24$ ${}^{+4}_{-3}$
ESMAILI
2010
RVUE ${}^{4}\mathrm {He}$ ${{\mathit K}^{-}}$ $\rightarrow$ ${{\mathit \Sigma}^{\pm}}{{\mathit \pi}^{\mp}}{{\mathit X}}$ at rest
$32$ $\pm1$ 700 1
HEMINGWAY
1985
HBC ${{\mathit K}^{-}}{{\mathit p}}$ 4.2 ${\mathrm {GeV/}}\mathit c$
$45\text{ to }55 $ 400 2
THOMAS
1973
HBC ${{\mathit \pi}^{-}}{{\mathit p}}$ 1.69 ${\mathrm {GeV/}}\mathit c$
$35$ 120
BARBARO-GALTI..
1968B
DBC ${{\mathit K}^{-}}{{\mathit d}}$ 2.1$-$2.7 ${\mathrm {GeV/}}\mathit c$
$50$ $\pm10$ 67
BIRMINGHAM
1966
HBC ${{\mathit K}^{-}}{{\mathit p}}$ 3.5 ${\mathrm {GeV/}}\mathit c$
$89$ $\pm20$
ENGLER
1965
HDBC
$60$ $\pm20$
MUSGRAVE
1965
HBC
$35$ $\pm5$
ALEXANDER
1962
HBC
$50$
ALSTON
1962
HBC
$20$
ALSTON
1961B
HBC
1  DALITZ 1991 fits the HEMINGWAY 1985 data.
2  THOMAS 1973 data is fit by CHAO 1973 (see next section).
References