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A STRING BREAKING MODEL FOR phi phi PRODUCTION

Authors
  • Roberts, W.
  • Karl, G.
Publication Date
Jun 01, 1988
Identifiers
DOI: 10.1103/PhysRevD.39.1877
OAI: oai:inspirehep.net:262059
Source
INSPIRE-HEP
Keywords
License
Unknown
External links

Abstract

A string-breaking model for φφ production in the process π−p→φφn is discussed. In this model, the ‘‘sequential-pair-creation’’ model, it is assumed that the φφ pair is produced by ss¯ pairs created sequentially: uū→s1s¯1→s1(s¯2s2) s¯1→(s1s¯2)(s2s¯1)→φφ. The second ss¯ pair is produced from the breaking of the QCD ‘‘string’’ joining the first ss¯ pair. When compared with experiment, the model appears to have problems in describing the data of Lindenbaum et al., and it helps to invoke Breit-Wigner resonances. The cross section for φφ production obtained from the model indicates that the experimental data may reflect the effects of some sort of enhancement.

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