Published June 1994
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Low energy parameters of the K K-bar and ππ scalar-isoscalar interactions
Description
Threshold expansions of the ππ and K K-bar spin 0 and isospin 0 scattering amplitudes are performed. Scattering lengths, effective ranges and so-called volume parameters are evaluated. Good agreement with the existing experimental data for the ππ scalar-isoscalar amplitude is found. An importance of future accurate measurements of the K K-bar threshold parameters is stressed. New data are needed to understand the basic features of the scalar mesons. (author). 31 refs, 3 tabs
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26048363.pdf
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Additional details
Publishing Information
- Imprint Pagination
- 11 p.
- Report number
- INP--1675/PH
INIS
- Country of Publication
- Poland
- Country of Input or Organization
- Poland
- INIS RN
- 26048363
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- KAON-KAON INTERACTIONS; NUMERICAL DATA; PION-PION INTERACTIONS; SCATTERING AMPLITUDES; SCATTERING LENGTHS; THRESHOLD ENERGY
- Descriptors DEC
- AMPLITUDES; DATA; ENERGY; HADRON-HADRON INTERACTIONS; INFORMATION; INTERACTIONS; MESON-MESON INTERACTIONS; PARTICLE INTERACTIONS
Optional Information
- Contract/Grant/Project number
- Grant KBN 20198 91 01; M.Sklodowska-Curie Fund 2 PAA/NSF-94-158