Total cross section for p + p r arrow p + p +. pi. sup 0 near threshold measured with the Indiana Cooler

Journal Article · Mon Dec 03 04:00:00 EST 1990 · Physical Review Letters; (USA)

DOI:https://doi.org/10.1103/PhysRevLett.65.2846· OSTI ID:6200959

Meyer, H O; Ross, M A; Pollock, R E; Berdoz, A; Dohrmann, F; Goodwin, J E; Minty, M G; Nann, H; Pancella, P V; Pate, S F; Przewoski, B v; Rinckel, T; Sperisen, F ^[1]

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1. Department of Physics, Indiana University, Bloomington, IN (USA) Indiana University Cyclotron Facility, Indiana University, Bloomington, IN (USA)

The total cross section for the reaction {ital pp}{r arrow}{ital pp}{pi}{sup 0} was measured at nine center-of-mass energies from 1.5 to 23 MeV above threshold. The experiment was carried out with the Indiana Cooler, a recently constructed storage ring. The experimental advantages of an electron-cooled proton beam were utilized. The data cover an energy range where only the lowest possible angular momentum state contributes in the exit channel. The measured energy dependence of the total cross section is not compatible with that predicted by models of {ital s}-wave pion production and rescattering.

• OSTI ID: 6200959
• Journal Information: Physical Review Letters; (USA), Journal Name: Physical Review Letters; (USA) Vol. 65:23; ISSN PRLTA; ISSN 0031-9007
• Country of Publication: United States
• Language: English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
AMPLITUDES
BARYON REACTIONS
BARYON-BARYON INTERACTIONS
BOSONS
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
ELEMENTARY PARTICLES
ENERGY RANGE
EXPERIMENTAL DATA
HADRON REACTIONS
HADRON-HADRON INTERACTIONS
HADRONS
HYDROGEN 1 TARGET
INELASTIC SCATTERING
INFORMATION
INTERACTIONS
MESONS
MEV RANGE
MEV RANGE 01-10
MEV RANGE 10-100
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUCLEON-NUCLEON INTERACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS
PARTICLE KINEMATICS
PIONS
PIONS NEUTRAL
PROTON REACTIONS
PSEUDOSCALAR MESONS
SCATTERING
SCATTERING AMPLITUDES
TARGETS
TOTAL CROSS SECTIONS