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Search for structure in the low-energy anti p-p annihilation cross section

Conference ·
OSTI ID:6939470
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The relative cross section for annihilation of antiprotons on hydrogen into one or more charged pions was measured. Incident beam momentum was 600 MeV/c. Numbers of observed events (relative) were compared with those expected from the sensitivity of the apparatus. A phase-space model was used for p-barp annihilation. Relative cross sections are plotted vs invariant mass. Upper limits on cross sections for the formation of narrow resonances in the S region are given; previously reported structures are not confirmed. 2 figures, 1 table. (RWR)
Research Organization:
Temple Univ., Philadelphia, PA (USA); California Univ., Irvine (USA); New Mexico Univ., Albuquerque (USA)
Sponsoring Organization:
USDOE
DOE Contract Number:
AS02-76ER03539; AT03-76ER70149; EY-76-S-04-3347
OSTI ID:
6939470
Report Number(s):
CONF-800688--6
Country of Publication:
United States
Language:
English

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Related Subjects

645101* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties
645104 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BARYON-BARYON INTERACTIONS
BASIC INTERACTIONS
BOSONS
CROSS SECTIONS
DATA
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
EXOTIC RESONANCES
EXPERIMENTAL DATA
HADRON-HADRON INTERACTIONS
HADRONS
INFORMATION
INTERACTIONS
LIMITING VALUES
LINEAR MOMENTUM
MASS
MATHEMATICAL SPACE
MEASURING INSTRUMENTS
MESON RESONANCES
MESONS
MEV RANGE
MEV RANGE 100-1000
MULTIWIRE PROPORTIONAL CHAMBERS
NUCLEON-ANTINUCLEON INTERACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PARTICLE WIDTHS
PHASE SPACE
PIONS
PROPORTIONAL COUNTERS
PROTON-ANTIPROTON INTERACTIONS
PSEUDOSCALAR MESONS
RADIATION DETECTORS
RESONANCE PARTICLES
S-1930 RESONANCES
SPACE