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${{\mathit \Sigma}{(2030)}}$ WIDTH

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B047W

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 150\text{ to }200\text{ }(\approx180) }$ OUR ESTIMATE $177$ $\pm12$ SARANTSEV 2019 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $207$ $\pm17$ ZHANG 2013 A DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $172$ $\pm10$ GOPAL 1980 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $137$ $\pm40$ CORDEN 1977 B ${{\mathit K}^{-}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}}$ $201$ $\pm9$ 1 CORDEN 1976 DPWA ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{-}}$ $180$ $\pm20$ BAILLON 1975 IPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ $172$ $\pm15$ HEMINGWAY 1975 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $178$ $\pm13$ VANHORN 1975 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ $111$ $\pm5$ KANE 1974 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ $160$ $\pm20$ LITCHFIELD 1974 B DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}^{0}}$ $200$ $\pm30$ LITCHFIELD 1974 C DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Delta}{(1232)}}{{\overline{\mathit K}}}$ • • We do not use the following data for averages, fits, limits, etc. • • $260$ DECLAIS 1977 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $190$ $\pm10$ GOPAL 1977 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $126\text{ to }195 $ GOYAL 1977 DPWA ${{\mathit K}^{-}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ $160$ DEBELLEFON 1976 IPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ $70\text{ to }125 $ LITCHFIELD 1974 D DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}{(1820)}}{{\mathit \pi}^{0}}$ 1  Preferred solution 3; see CORDEN 1976 for other possibilities.

References:

SARANTSEV 2019 EPJ A55 180 Hyperon II: Properties of excited hyperons ZHANG 2013A PR C88 035205 Multichannel Parametrization of ${{\mathit K}^{-}}{{\mathit N}}$ Scattering Amplitudes and Extraction of Resonance Parameters GOPAL 1980 Toronto Conf. 159 S = -1 Baryons: an Experimental Review CORDEN 1977B NP B121 365 Data and Partial Wave Analysis for the Reaction ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit K}^{*}{(890)}^{-}}{{\mathit n}}$ DECLAIS 1977 CERN 77-16 ${{\mathit K}^{-}}{{\mathit n}}$ and ${{\mathit K}^{-}}{{\mathit p}}$ Elastic Scattering in ${{\mathit K}^{-}}{{\mathit d}}$ Collisions from 1.2 to 2.2 ${\mathrm {GeV/}}\mathit c$ GOPAL 1977 NP B119 362 Partial Wave Analyses of ${{\overline{\mathit K}}}{{\mathit N}}$ Two Body Reactions between 1480 and 2170 MeV GOYAL 1977 PR D16 2746 Formation of the ${{\mathit \Sigma}{(2030)}}$ Resonance in the Reactions ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Sigma}^{-}}{{\mathit \pi}^{0}}$ and ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Sigma}^{0}}{{\mathit \pi}^{-}}$ in the Center-of-mass Energy Interval $1850 - 2150$ MeV 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 HEMINGWAY 1975 NP B91 12 New Data on ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit p}}$ and ${{\overline{\mathit K}}^{0}}{{\mathit n}}$ and a Partial Wave Analysis between 1840 and 2234 MeV Center of Mass Energy VANHORN 1975 NP B87 145 Energy Dependent Partial Wave Analysis of ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ between 1540 and 2215 MeV Also NP B87 157 Resonance Ambiguities, Barrelet Zeros, and Duality in ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ KANE 1974 LBL-2452 LBL-2452 LITCHFIELD 1974C NP B74 39 Partial Wave Analysis of the Reaction ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit \Delta}{(1232)}}$ in the Energy Region $1915 - 2170$ MeV LITCHFIELD 1974B NP B74 19 Partial Wave Analysis of the Reaction ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}}$ in the Energy Region $1915 - 2170$ MeV LITCHFIELD 1974D NP B74 12 Partial Wave Analysis of the Reaction ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}{(1820)}}{{\mathit \pi}}$ between Threshold and 2170 MeV