pi. /sup + -/--/sup 3/H and. pi. /sup + -/--/sup 3/He scattering lengths and the pion, nucleon, and nuclear mass differences
Journal Article
·
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:6005241
The pion-trinucleonic nucleus scattering lengths are computed on the basis of approximate four-particle equations with allowance for the mass splittings in the pion, nucleon, and nuclear isomultiplets. It is shown that allowance for the mass differences leads to the appearance in the expressions for the ..pi../sup -/--/sup 3/He and ..pi../sup +/--/sup 3/H scattering lengths of imaginary parts of the order of 10/sup -3/ fm and to substantial changes in the real parts of these expressions. The results are found to depend strongly on the choice of the ..pi..N-potential parameters. There are indications that the low-energy multiple ..pi..(3N) scattering series converges slowly.
- Research Organization:
- Joint Institute for Nuclear Research
- OSTI ID:
- 6005241
- Journal Information:
- Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 42:5; ISSN SJNCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
651215* -- Nuclear Properties & Reactions
A=1-5
Theoretical-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CHARGED-PARTICLE REACTIONS
DIMENSIONS
HADRON REACTIONS
HELIUM 3 TARGET
LENGTH
MASS DIFFERENCE
MESON REACTIONS
MULTIPLE SCATTERING
NUCLEAR REACTIONS
PARTICLE PROPERTIES
PION MINUS REACTIONS
PION PLUS REACTIONS
PION REACTIONS
SCATTERING
SCATTERING LENGTHS
TARGETS
TRITIUM TARGET
A=1-5
Theoretical-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CHARGED-PARTICLE REACTIONS
DIMENSIONS
HADRON REACTIONS
HELIUM 3 TARGET
LENGTH
MASS DIFFERENCE
MESON REACTIONS
MULTIPLE SCATTERING
NUCLEAR REACTIONS
PARTICLE PROPERTIES
PION MINUS REACTIONS
PION PLUS REACTIONS
PION REACTIONS
SCATTERING
SCATTERING LENGTHS
TARGETS
TRITIUM TARGET