Measurement of the γ-V coupling constants and σT (Vd) from coherent γ-d interactions at 7.5 GeV

G. Alexander*, O. Benary, J. Gandsman, D. Lissauer, A. Levy, Y. Oren, L. M. Rosenstein

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

We have measured the total and differential cross-sections for coherently photoproduced ρ{variant}, ω and ρ{variant}′ on deuterium at 7.5 GeV. Using VDM relations, we have obtained γω2ρ{variant}2 = 7.1 ± 1.5, σT(ρ{variant}d) = (54 ± 2) mb and σT(ωd) = (56 ± 5) mb. Assuming the amplitude for ρ{variant}′ production via an intermediate ρ{variant}0 to be small and that the amplitudes for ρ{variant}p and ρ{variant}′p elastic scattering are comparable, we found γρ{variant}′2ρ{variant}2 = 6.0 ± 1.2 and σT(ρ{variant}′d) = (47 ± 6) mb.

Original languageEnglish
Pages (from-to)487-490
Number of pages4
JournalPhysics Letters B
Volume57
Issue number5
DOIs
StatePublished - 4 Aug 1975

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