ANTIPROTON-PROTON CROSS SECTIONS AT 133, 197, 265, AND 333 Mev
In a scintillation-counter experiment the interaction of antiprotons with protons in the energy region 133 to 333 Mev was studied. Antiprotons, produced internally in the Bevatron, charneled externally by a system of magnetic quadrupoles and bending magnets, and identified by time of flight, entered a target containing liquid hydrogen. This target was completely surrounded by a system of scintillation counters which detected both scattered antiprotons and anninilation secondaries. An electrostatic-magnetic velocity spectrometer was used in the external magnetic channel to increase the ratio of antiprotons to pions. The p bar- p total, elastic, inelastic, and charge-exchange cross sections, and the angular distribution of elastic scattering were measured at each energy. The inelastic cross section is approximately one-half the total cross section at these energies. The results are discussed in connection with current theories. (auth)
- Research Organization:
- Univ. of California, Berkeley
- NSA Number:
- NSA-13-008066
- OSTI ID:
- 4250022
- 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- Physical Review (U.S.) Superseded in part by Phys.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 D, Journal Name: Physical Review (U.S.) Superseded in part by Phys.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: 112; ISSN PHRVA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
ANNIHILATION
ANTIPROTONS
BACKGROUND
BETATRONS
BEVATRON
CROSS SECTIONS
ELECTRIC CHARGES
ELECTROSTATICS
ENERGY RANGE
HYDROGEN
INTERACTIONS
LIQUIDS
MAGNETIC FIELDS
MAGNETS
MEASURED VALUES
PHYSICS AND MATHEMATICS
PIONS
PROTONS
SCINTILLATION COUNTERS
SPECTROMETERS
SYNCHROTRONS
TARGETS
VELOCITY