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${{\mathit \Sigma}{(2250)}}$ WIDTH

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B048W

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 60\text{ to }150\text{ }(\approx100) }$ OUR ESTIMATE $120$ $\pm40$ DEBELLEFON 1978 DPWA ${\mathit D}_{\mathrm 5}{\mathrm wave}$ $80$ $\pm20$ DEBELLEFON 1978 DPWA ${\mathit G}_{\mathrm 9}{\mathrm wave}$ $70$ $\pm20$ DEBELLEFON 1977 DPWA ${\mathit D}_{\mathrm 5}{\mathrm wave}$ $60$ $\pm20$ DEBELLEFON 1977 DPWA ${\mathit G}_{\mathrm 9}{\mathrm wave}$ $130$ $\pm20$ 1 DEBELLEFON 1975 B HBC ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Xi}^{*0}}{{\mathit K}^{0}}$ $192$ $\pm30$ VANHORN 1975 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ , ${\mathit F}_{\mathrm 5}{\mathrm wave}$ $100$ $\pm20$ AGUILAR-BENIT.. 1970 B HBC ${{\mathit K}^{-}}{{\mathit p}}$ 3.9, 4.6 ${\mathrm {GeV/}}\mathit c$ $164$ $\pm50$ BRICMAN 1970 CNTR Total, charge exchange $230$ $\pm20$ BUGG 1968 CNTR ${{\mathit K}^{-}}{{\mathit p}}$ , ${{\mathit K}^{-}}{{\mathit d}}$ total • • We do not use the following data for averages, fits, limits, etc. • • $100$ DEBELLEFON 1976 IPWA ${\mathit D}_{\mathrm 5}{\mathrm wave}$ $140$ DEBELLEFON 1976 IPWA ${\mathit G}_{\mathrm 9}{\mathrm wave}$ $170$ COOL 1970 CNTR ${{\mathit K}^{-}}{{\mathit p}}$ , ${{\mathit K}^{-}}{{\mathit d}}$ total $125$ LU 1970 CNTR ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit Y}^{*}}$ $150$ BLANPIED 1965 CNTR ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit Y}^{*}}$ $21$ ${}^{+17}_{-21}$ BOCK 1965 HBC ${{\overline{\mathit p}}}{{\mathit p}}$ 5.7 ${\mathrm {GeV/}}\mathit c$ 1  Seen in the (initial and final state) ${\mathit D}_{\mathrm 5}{\mathrm wave}$. Isospin not determined.

References:

DEBELLEFON 1978 NC 42A 403 New Data on the Reactions ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit K}}^{0}}{{\mathit n}}$ and ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit p}}$ between 1.934 and 2.516 ${\mathrm {GeV/}}\mathit c$, Partial Wave Analysis of these Channels and SU(3) Classification of the New ${{\mathit Y}^{*}}$ States Observed DEBELLEFON 1977 NC 37A 175 New Data on the Reaction ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}^{\pm}}{{\mathit \pi}^{\pm}}$ from 1.934 to 2.516 ${\mathrm {GeV/}}\mathit c$ and Partial Wave Analysis for these Reactions, between 2070 and 2436 MeV $\mathit E_{{\mathrm {cm}}}$ 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 $\mathit E_{{\mathrm {cm}}}$ DEBELLEFON 1975B NC 28A 289 Reactions ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Xi}^{-}}{{\mathit K}^{0}}{{\mathit \pi}^{+}}$ between 2210 and 2435 MeV $\mathit E_{{\mathrm {cm}}}$ 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 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ AGUILAR-BENITEZ 1970B PRL 25 58 Observation of ${{\mathit \Sigma}}$ Resonances in the 1670 MeV Mass Region BRICMAN 1970 PL 31B 152 Formation of S = -1 Hyperon Resonances with Masses between 1.8 and 2.6 GeV COOL 1970 PR D1 1887 Structures in ${{\mathit K}^{\pm}}$ Nucleon Total Cross Sections between 0.9 and 2.4 ${\mathrm {GeV/}}\mathit c$ Also PRL 17 102 New Structure in the ${{\mathit K}^{+}}{{\mathit p}}$ and ${{\mathit K}^{+}}{{\mathit d}}$ Total Cross Sections between 0.9 and 2.4 ${\mathrm {GeV/}}\mathit c$ Also PRL 16 1228 New Structure in the ${{\mathit K}^{-}}{{\mathit p}}$ and ${{\mathit K}^{-}}{{\mathit d}}$ Total Cross Sections between 1 and 2.45 ${\mathrm {GeV/}}\mathit c$ Also PL 30B 564 Further Structure in ${{\mathit K}^{+}}{{\mathit n}}$, $\mathit I = 0$ Total Cross Section LU 1970 PR D2 1846 Photoproduction of ${{\mathit Y}^{*}}$ Resonances above 1800 MeV BUGG 1968 PR 168 1466 Kaon Nucleon Cross Section from .6 to 2.65 ${\mathrm {GeV/}}\mathit c$ Also PRL 18 62 Structure in the ${{\mathit K}^{-}}$ $−$ Nucleon Total Cross Sections between 600 and 1400 ${\mathrm {MeV}}/\mathit c$ BLANPIED 1965 PRL 14 741 Evidence for the Photoproduction of Y = 0 States with Masses Greater than 1900 MeV BOCK 1965 PL 17 166 A Search for Heavy Hyperon Resonances Produced by 5.7 ${\mathrm {GeV/}}\mathit c$ Antiprotons in Hydrogen