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${{\mathit \rho}{(2150)}}$ MASS

$\mathit S$-CHANNEL ${{\overline{\mathit N}}}{{\mathit N}}$

INSPIRE   PDGID:

M032M2

VALUE (MeV) DOCUMENT ID TECN  COMMENT • • We do not use the following data for averages, fits, limits, etc. • • $2110$ $\pm35$ 1 ANISOVICH 2002 SPEC $0.6 - 1.9$ ${{\mathit p}}$ ${{\overline{\mathit p}}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \pi}^{0}}$ , ${{\mathit \omega}}{{\mathit \eta}}{{\mathit \pi}^{0}}$ , ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $\sim$$2190$ 2 CUTTS 1978 B CNTR 0.97$-$3 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit N}}}{{\mathit N}}$ $2155$ $\pm15$ 3, 2 COUPLAND 1977 CNTR 0.7$-$2.4 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit p}}}{{\mathit p}}$ $2193$ $\pm2$ 2, 4 ALSPECTOR 1973 CNTR ${{\overline{\mathit p}}}{{\mathit p}}$ $\mathit S$ channel $2190$ $\pm10$ 5 ABRAMS 1970 CNTR $\mathit S$ channel ${{\overline{\mathit p}}}{{\mathit N}}$ 1  From the combined analysis of ANISOVICH 2000J, ANISOVICH 2001D, ANISOVICH 2001E, and ANISOVICH 2002 . 2  Isospins 0 and 1 not separated. 3  From a fit to the total elastic cross section. 4  Referred to as ${{\mathit T}}$ or ${{\mathit T}}$ region by ALSPECTOR 1973 . 5  Seen as bump in $\mathit I = 1$ state. See also COOPER 1968 . PEASLEE 1975 confirm ${{\overline{\mathit p}}}{{\mathit p}}$ results of ABRAMS 1970 , no narrow structure.

References:

ANISOVICH 2002 PL B542 8 Combined Analysis of Meson Channels with $\mathit I$ = 1, $\mathit C$ = -1 from 1940 to 2410-MeV CUTTS 1978B PR D17 16 Antiproton Proton Charge Exchange between 1 and 3 ${\mathrm {GeV/}}\mathit c$ COUPLAND 1977 PL 71B 460 Antiproton Proton Total Elastic Cross Sections in the ${{\mathit T}}$ and ${{\mathit U}}$ Regions (0.69 to 2.43 ${\mathrm {GeV/}}\mathit c$) ALSPECTOR 1973 PRL 30 511 High Statistics Investigation of the Broad ${{\mathit T}}$ and ${{\mathit U}}$ Peaks in Antiproton Interactions ABRAMS 1970 PR D1 1917 Total Cross Sections of ${{\mathit K}^{\pm}}$ Mesons and Antiprotons on Nucleons up to 3.3 ${\mathrm {GeV/}}\mathit c$ Also PRL 19 259 New Structures in the ${{\mathit K}^{+}}{{\mathit p}}$ and ${{\mathit K}^{+}}$ deuteron Cross Sections Between 1.55 and 3.30 ${\mathrm {GeV/}}\mathit c$ 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 PRL 19 678 New Structures in the ${{\mathit K}^{-}}{{\mathit p}}$ and ${{\mathit K}^{-}}{{\mathit d}}$ Total Cross Sections between 2.4 and 3.3 ${\mathrm {GeV/}}\mathit c$

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