Inclusive photoproduction of. pi. /sup 0/ and eta mesons in the 50 to 130 GeV energy range
Thesis/Dissertation
·
OSTI ID:5356613
We conducted an experiment at the Tagged Photon Laboratory at the Fermi National Accelerator Laboratory to measure elastic photon-proton scattering, quasi-elastic vector and pseudoscalar meson photoproduction, and inclusive single photon and pseudoscalar meson photoproduction. This thesis describes the detection system of the experiment and data-taking and analysis procedures used for the extraction of Feynman X (X/sub F/) and transverse momentum (p/sub t/) distributions for inclusive photoproduction of ..pi../sup 0/ and eta mesons. Using tagged photons ranging from 50 to 130 GeV incident on a 75 cm long liquid hydrogen target, we measure inclusive ..pi../sup 0/ production for .35 < X/sub F/ < 1.0 with .3 < p/sub t/ < 1.4 GeV/c and inclusive eta production for .35 < X/sub F/ < 1.0 with 0 < p/sub t/ < 1.4 Gev/c. Clear ..pi../sup 0/ and eta signals are observed. The distributions in both X/sub F/ and p/sub T/ are inconsistent with scaling. The average transverse momentum of ..pi../sup 0/ is .57 +- .07 GeV/c, while for ets's it is .52 + .04 GeV/c. The average eta/..pi../sup 0/ ratio is .52 +- .10 over the range .3 < p/sub t/ < 1.4 GeV/c and .35 < X/sub F/ < 1.0.
- Research Organization:
- California Univ., Santa Cruz (USA)
- OSTI ID:
- 5356613
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645101* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BASIC INTERACTIONS
BOSONS
CYCLIC ACCELERATORS
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
ETA MESONS
FERMILAB ACCELERATOR
GEV RANGE
GEV RANGE 10-100
HADRONS
INCLUSIVE INTERACTIONS
INTERACTIONS
LINEAR MOMENTUM
MESONS
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PHOTON-BARYON INTERACTIONS
PHOTON-HADRON INTERACTIONS
PHOTON-NUCLEON INTERACTIONS
PHOTON-PROTON INTERACTIONS
PHOTOPRODUCTION
PIONS
PIONS NEUTRAL
PSEUDOSCALAR MESONS
SYNCHROTRONS
TRANSVERSE MOMENTUM
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BASIC INTERACTIONS
BOSONS
CYCLIC ACCELERATORS
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
ETA MESONS
FERMILAB ACCELERATOR
GEV RANGE
GEV RANGE 10-100
HADRONS
INCLUSIVE INTERACTIONS
INTERACTIONS
LINEAR MOMENTUM
MESONS
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PHOTON-BARYON INTERACTIONS
PHOTON-HADRON INTERACTIONS
PHOTON-NUCLEON INTERACTIONS
PHOTON-PROTON INTERACTIONS
PHOTOPRODUCTION
PIONS
PIONS NEUTRAL
PSEUDOSCALAR MESONS
SYNCHROTRONS
TRANSVERSE MOMENTUM