First measurement of coherent φ -meson photoproduction from He 4 near threshold

Keyphrases

• Near-threshold 100%
• HE-4 100%
• Coherent Meson Photoproduction 100%
• Unnatural 66%
• Energy Range 33%
• Linearly Polarized Photon 33%
• Differential Cross Section 33%
• Angular Distribution 33%
• Energy Dependence 33%
• Forward Angle 33%
• Destructive Interference 33%
• Maximal Value 33%
• Decay Asymmetry 33%
• Spin-parity 33%
• Helium-4 33%
• Strong Domination 33%
• Photon Polarization 33%

Physics

• Photoproduction 100%
• Meson 100%
• Helium Isotope 50%
• Angular Distribution 50%