# ${{\boldsymbol \Sigma}{(2030)}}$ WIDTH INSPIRE search

VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 150\text{ to }200\text{ }(\approx180) }$ OUR ESTIMATE
$177$ $\pm12$
 2019
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$207$ $\pm17$
 2013 A
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$172$ $\pm10$
 1980
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$137$ $\pm40$
 1977 B
${{\mathit K}^{-}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}}$
$201$ $\pm9$ 1
 1976
DPWA ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{-}}$
$180$ $\pm20$
 1975
IPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$
$172$ $\pm15$
 1975
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$178$ $\pm13$
 1975
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$
$111$ $\pm5$
 1974
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
$160$ $\pm20$
 1974 B
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}^{0}}$
$200$ $\pm30$
 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. • • •
$260$
 1977
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$190$ $\pm10$
 1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$126\text{ to }195$
 1977
DPWA ${{\mathit K}^{-}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
$160$
 1976
IPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$
$70\text{ to }125$
 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 ${\mathrm {GeV/}}\mathit c$
 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
 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