Energy dependence of the reaction γp→ρ- δ++

J. Ballam; G. B. Chadwick; A. Levy; M. M. Menke; P. Seyboth; A. Shapira; Y. Eisenberg; B. Haber; E. E. Ronat; Y. Stahl; G. Yekutieli

doi:10.1103/PhysRevLett.26.995

Energy dependence of the reaction γp→ρ- δ++

J. Ballam, G. B. Chadwick, A. Levy, M. M. Menke, P. Seyboth, A. Shapira, Y. Eisenberg, B. Haber, E. E. Ronat, Y. Stahl, G. Yekutieli

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

The reaction γp→ρ- Δ++ was studied between 4 and 8 GeV using positron-annihilation radiation. Assuming σ Eγ-a we find that a=0.6±0.2. With sufficiently large absorption corrections, a one-pion-exchange model can fit this dependence, but requires a width for ρ→πγ much in excess of the value predicted by SU(3).

Original language	English
Pages (from-to)	995-997
Number of pages	3
Journal	Physical Review Letters
Volume	26
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.26.995
State	Published - 1971

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abstract = "The reaction γp→ρ- Δ++ was studied between 4 and 8 GeV using positron-annihilation radiation. Assuming σ Eγ-a we find that a=0.6±0.2. With sufficiently large absorption corrections, a one-pion-exchange model can fit this dependence, but requires a width for ρ→πγ much in excess of the value predicted by SU(3).",

author = "J. Ballam and Chadwick, {G. B.} and A. Levy and Menke, {M. M.} and P. Seyboth and A. Shapira and Y. Eisenberg and B. Haber and Ronat, {E. E.} and Y. Stahl and G. Yekutieli",

year = "1971",

doi = "10.1103/PhysRevLett.26.995",

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journal = "Physical Review Letters",

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T1 - Energy dependence of the reaction γp→ρ- δ++

AU - Ballam, J.

AU - Chadwick, G. B.

AU - Levy, A.

AU - Menke, M. M.

AU - Seyboth, P.

AU - Shapira, A.

AU - Eisenberg, Y.

AU - Haber, B.

AU - Ronat, E. E.

AU - Stahl, Y.

AU - Yekutieli, G.

PY - 1971

Y1 - 1971

N2 - The reaction γp→ρ- Δ++ was studied between 4 and 8 GeV using positron-annihilation radiation. Assuming σ Eγ-a we find that a=0.6±0.2. With sufficiently large absorption corrections, a one-pion-exchange model can fit this dependence, but requires a width for ρ→πγ much in excess of the value predicted by SU(3).

AB - The reaction γp→ρ- Δ++ was studied between 4 and 8 GeV using positron-annihilation radiation. Assuming σ Eγ-a we find that a=0.6±0.2. With sufficiently large absorption corrections, a one-pion-exchange model can fit this dependence, but requires a width for ρ→πγ much in excess of the value predicted by SU(3).

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JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 16

ER -

Energy dependence of the reaction γp→ρ- δ++

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