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Amplitude tests of direct channel resonances: the dibaryon

Technical Report ·
OSTI ID:5514334
; ;
A recently formulated polarization amplitude test for the existence of one-particle-exchange mechanisms is modified to deal with direct-channel resonances. The results are applied to proton-proton elastic scattering at and around 800 MeV to test the suggested existence of a dibaryon resonance. This test is sensitive to somewhat different circumstances and parameters than the methods used in the past to find dibaryon resonances. The evidence, on the basis of the SAID data set, is negative for a resonance in any singlet partial wave, but is tantalizingly subliminal for a /sup 3/F/sub 3/ resonance. 7 refs., 4 figs.
Research Organization:
Tufts Univ., Medford, MA (USA). Dept. of Physics; Oregon Univ., Eugene (USA)
DOE Contract Number:
AT06-76ER70004
OSTI ID:
5514334
Report Number(s):
DOE/ER/70004-T4; ON: DE85011478
Country of Publication:
United States
Language:
English

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Related Subjects

651225* -- Nuclear Properties & Reactions
A=1-5
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR DISTRIBUTION
BARYON RESONANCES
BARYON-BARYON INTERACTIONS
BARYONS
DIBARYON RESONANCES
DISTRIBUTION
ELASTIC SCATTERING
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
MEV RANGE
MEV RANGE 100-1000
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
RESONANCE PARTICLES
SCATTERING