Measurement of the gamma-V Coupling Constants and sigma-T (Vd) from Coherent gamma-d Interactions at 7.5-GeV

May, 1975
4 pages
Published in:
  • Phys.Lett.B 57 (1975) 487-490
  • Published: 1975
Report number:
  • TAUP-473-75
Experiments:
  • SLAC-BC-019

Citations per year

1975198419932002200902468
Abstract: (Elsevier)
We have measured the total and differential cross-sections for coherently photoproduced ϱ, ω and ϱ′ on deuterium at 7.5 GeV. Using VDM relations, we have obtained γ ω 2 / γ ϱ 2 = 7.1 ± 1.5, σ T ( ϱ d) = (54 ± 2) mb and σ T ( ω d) = (56 ± 5) mb. Assuming the amplitude for ϱ′ production via an intermediate ϱ 0 to be small and that the amplitudes for ϱp and ϱ′p elastic scattering are comparable, we found γ ϱ ′ 2 / γ ϱ 2 = 6.0 ± 1.2 and σ T ( ϱ ′d) = (47 ± 6) mb.
  • PHOTON DEUTERIUM: COHERENT INTERACTION
  • COHERENT INTERACTION: PHOTON DEUTERIUM
  • DEUTERIUM: FINAL STATE
  • FINAL STATE: DEUTERIUM
  • PI+: FINAL STATE
  • FINAL STATE: PI+
  • PI-: FINAL STATE
  • FINAL STATE: PI-
  • PI0: FINAL STATE
  • FINAL STATE: PI0