pdgLive Home   >   ${{\mathit \Sigma}}$ BARYONS ($\mathit S$ = $-1$, $\mathit I$ = 1)   >   ${{\mathit \Sigma}{(2080)}}$   >   ${{\mathit \Sigma}{(2080)}}$ WIDTH

${{\mathit \Sigma}{(2080)}}$ WIDTH

INSPIRE   PDGID:

B088W

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 100\text{ to }240\text{ }(\approx170) }$ OUR ESTIMATE $186$ $\pm48$ 1 CORDEN 1976 DPWA ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{-}}$ $100$ DEBELLEFON 1976 IPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ $240$ $\pm50$ BAILLON 1975 IPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ (sol. 1) $200$ $\pm50$ BAILLON 1975 IPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ (sol. 2) $87$ $\pm20$ COX 1970 DPWA See CORDEN 1976 $250$ $\pm40$ LITCHFIELD 1970 DPWA ${{\mathit K}^{-}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ 1  Preferred solution 3; see CORDEN 1976 for other possibilities, including a ${\mathit D}_{\mathrm 15}$ at this mass.

References:

CORDEN 1976 NP B104 382 Measurements of the Reactions ${{\mathit K}^{-}}{{\mathit n}}{{\mathit \pi}^{-}}{{\mathit \Lambda}}$ in the $\mathit E_{{\mathrm {cm}}}$ Range 2050 to 2175 MeV and Partial Wave Analysis of this Reaction between 1875 and 2175 MeV DEBELLEFON 1976 NP B109 129 Reaction ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ : Zeroes and Partial Waves from 0.4 to 2.5 ${\mathrm {GeV/}}\mathit c$ Also NP B90 1 New Data on the Reaction ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ from 1.934 to 2.516 ${\mathrm {GeV/}}\mathit c$ and Partial Wave Analysis for this Reaction, between 2070 and 2436 MeV $\mathit E_{{\mathrm {cm}}}$ BAILLON 1975 NP B94 39 Energy Independent Partial Wave Analysis of ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ between 1540 and 2150 MeV COX 1970 NP B19 61 A Partial Wave Analysis of the Reaction ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{-}}$ in the $\mathit E_{{\mathrm {cm}}}$ Region from 1900 to 2100 MeV LITCHFIELD 1970 NP B22 269 Partial Wave Analysis of ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ between 1.0 and 1.85 ${\mathrm {GeV/}}\mathit c$