Neutral Pion and Eta Photoproduction from Hydrogen at High Energies
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Measurements have been made of the process γρ → π0ρ for photon energies from 4 to 18 GeV and four-momentum transfers t between -0.1 and -1.4 (GeV/c)2. The reaction γρ → ηρ has been studied between 4 and 9 GeV for t-values from -0.3 to -1.4 (GeV/c)2. The experiment was carried out at the Stanford Linear Accelerator Center (SLAC) by passing the SLAC photon beam through a target containing gaseous hydrogen for small momentum transfers and liquid hydrogen for higher t-values. The recoil protons were analyzed and detected in the SLAC 1.6 GeV/c spectrometer, and the "missing mass" of the neutral product was calculated from kinematics.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Organization:
- US Atomic Energy Commission (AEC); USDOE
- NSA Number:
- NSA-24-051904
- OSTI ID:
- 4118527
- Report Number(s):
- SLAC--124; SLAC-R--124
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CROSS SECTIONS
ETA RESONANCES
GEV RANGE 01-10
GEV RANGE 10-100
INTERACTIONS
MESONS ($pi$$sup 0$)/production in $gamma$ + p $Yields$ $pi$$sup 0$ + p interactions at 4 to 18 GeV
cross sections for
(E)
MESONS (eta)/production in $gamma$ + p $Yields$ eta + p interactions at 4 to 9 GeV
cross sections for
(E)
PHOTONS
PHOTONS/ interactions $gamma$ + p $Yields$ eta + p at 4 to 9 GeV
cross sections for
(E)
PHOTONS/interactions $gamma$ + p $Yields$ $pi$$sup 0$ + p at 4 to 18 GeV
cross sections for
(E)
PHOTOPRODUCTION
PIONS-NEUTRAL
PROTONS
PROTONS/interactions $gamma$ + p $Yields$ $pi$$sup 0$ + p at 4 to 18 GeV
cross sections for
(E)
PROTONS/interactions $gamma$ + p $Yields$ eta + p at 4 to 9 GeV
cross sections for
(E)
CROSS SECTIONS
ETA RESONANCES
GEV RANGE 01-10
GEV RANGE 10-100
INTERACTIONS
MESONS ($pi$$sup 0$)/production in $gamma$ + p $Yields$ $pi$$sup 0$ + p interactions at 4 to 18 GeV
cross sections for
(E)
MESONS (eta)/production in $gamma$ + p $Yields$ eta + p interactions at 4 to 9 GeV
cross sections for
(E)
PHOTONS
PHOTONS/ interactions $gamma$ + p $Yields$ eta + p at 4 to 9 GeV
cross sections for
(E)
PHOTONS/interactions $gamma$ + p $Yields$ $pi$$sup 0$ + p at 4 to 18 GeV
cross sections for
(E)
PHOTOPRODUCTION
PIONS-NEUTRAL
PROTONS
PROTONS/interactions $gamma$ + p $Yields$ $pi$$sup 0$ + p at 4 to 18 GeV
cross sections for
(E)
PROTONS/interactions $gamma$ + p $Yields$ eta + p at 4 to 9 GeV
cross sections for
(E)