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${{\mathit \Lambda}_{{c}}{(2595)}^{+}}$ WIDTH

INSPIRE   PDGID:

B119W

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $2.59$ $\pm0.30$ $\pm0.47$ 3.5k 1 AALTONEN 2011 H CDF ${{\mathit p}}{{\overline{\mathit p}}}$ at 1.96 TeV • • We do not use the following data for averages, fits, limits, etc. • • $2.9$ ${}^{+2.9}_{-2.1}$ ${}^{+1.8}_{-1.4}$ 19 ALBRECHT 1997 ARG ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $\approx{}$ 10 GeV $3.9$ ${}^{+1.4}_{-1.2}$ ${}^{+2.0}_{-1.0}$ $112$ $\pm17$ EDWARDS 1995 CLE2 ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $\approx{}$ $10.5$ GeV 1  AALTONEN 2011H treats the three charged modes ${{\mathit \Lambda}_{{c}}{(2595)}^{+}}$ $\rightarrow$ ${{\mathit \Sigma}_{{c}}{(2455)}^{++}}{{\mathit \pi}^{-}}$ , ${{\mathit \Sigma}_{{c}}{(2455)}^{+}}{{\mathit \pi}^{0}}$ , ${{\mathit \Sigma}_{{c}}{(2455)}^{0}}{{\mathit \pi}^{+}}$ separately in terms of a common coupling constant ${{\mathit h}_{{2}}}$ and obtains ${{\mathit h}_{{2}}^{2}}$ = $0.36$ $\pm0.08$. From this the width is determined.

References:

AALTONEN 2011H PR D84 012003 Measurements of the Properties of ${{\mathit \Lambda}_{{c}}{(2595)}}$, ${{\mathit \Lambda}_{{c}}{(2625)}}$, ${{\mathit \Sigma}_{{c}}{(2455)}}$, and ${{\mathit \Sigma}_{{c}}{(2520)}}$ Baryons ALBRECHT 1997 PL B402 207 Evidence for ${{\mathit \Lambda}_{{c}}{(2593)}^{+}}$ Production EDWARDS 1995 PRL 74 3331 Observation of Excited Charmed Baryon States Decaying to ${{\mathit \Lambda}_{{c}}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$