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PHOTOPRODUCTION OF NEUTRAL PIONS AT FORWARD ANGLES

Journal Article · · Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
;
The reaction gamma + p yields pi /sup 0/ + p over the photon energy range 250 Mev to 1 Bev for center-of-mass pion angles between 20 and 70 deg was studied using bremsstrahlung. The recoil protons, of energies between 10 and 60 Mev, were identified and their energies determined. Correlated pulseheight information was used to sort out the protons from mesons and electrons. The results show a somewhat smaller forward differential cross section above 400 Mev. The angular distributions indicate a d/sub 3/2/ assignment for the 760-Mev resonance level. Other implications of the data are also discussed. (auth)
Research Organization:
Cornell Univ., Ithaca, N.Y.
NSA Number:
NSA-14-014283
OSTI ID:
4160058
Journal Information:
Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 117; ISSN PHRVA
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ANGULAR DISTRIBUTION
BACKGROUND
BREMSSTRAHLUNG
CROSS SECTIONS
ELECTRONS
ENERGY
ENERGY LEVELS
MEASURED VALUES
MESONS
MEV RANGE
PHOTOPRODUCTION
PHYSICS
PIONS
PIONS-NEUTRAL
PROTONS
PULSE ANALYZERS
RECOILS
RESONANCE
SPECTRA