Abstract
Decay modes of Ψ, Ψ′, ηc are examined within a model of Okubo-Zweig-Iizuka (OZI) -rule violation based on the S-matrix topological expansion (SMTE). The model provides an appropriate language for discussing general features of the OZI rule and successfully predicts the order of magnitude of the decrease in widths between φ and ψ. Because of the relatively strong mixing of η and η′ with ηc necessitated by the SMTE, these mesons play a prominent role in ψ, ψ′ decays. We readily explain the "large" ψ′→ηψ, ψ→η′γ, ψ→ηγ rates and predict several more channels involving η and η′ into which the new particles should frequently decay. We describe why there is no general concept of double-OZI-forbidden processes and successfully correlate the role the ε meson plays in such reactions as ψ′→ψε, ψ→εω, ψ→εφ. The differences between ψ and ψ′ decays expected because of the radially excited nature of the ψ′ are touched upon, and it is speculated that Γ(ηc)Γ(φ→ρπ). Comparison is made with other models of OZI suppression.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 3080-3091 |
| Number of pages | 12 |
| Journal | Physical Review D |
| Volume | 13 |
| Issue number | 11 |
| DOIs | |
| State | Published - 1976 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)
Cite this
Topological expansions and decays of new particles : A phenomenology of Okubo-Zweig-Iizuka-rule violation. / Rosenzweig, Carl.
In: Physical Review D, Vol. 13, No. 11, 1976, p. 3080-3091.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Topological expansions and decays of new particles
T2 - A phenomenology of Okubo-Zweig-Iizuka-rule violation
AU - Rosenzweig, Carl
PY - 1976
Y1 - 1976
N2 - Decay modes of Ψ, Ψ′, ηc are examined within a model of Okubo-Zweig-Iizuka (OZI) -rule violation based on the S-matrix topological expansion (SMTE). The model provides an appropriate language for discussing general features of the OZI rule and successfully predicts the order of magnitude of the decrease in widths between φ and ψ. Because of the relatively strong mixing of η and η′ with ηc necessitated by the SMTE, these mesons play a prominent role in ψ, ψ′ decays. We readily explain the "large" ψ′→ηψ, ψ→η′γ, ψ→ηγ rates and predict several more channels involving η and η′ into which the new particles should frequently decay. We describe why there is no general concept of double-OZI-forbidden processes and successfully correlate the role the ε meson plays in such reactions as ψ′→ψε, ψ→εω, ψ→εφ. The differences between ψ and ψ′ decays expected because of the radially excited nature of the ψ′ are touched upon, and it is speculated that Γ(ηc)Γ(φ→ρπ). Comparison is made with other models of OZI suppression.
AB - Decay modes of Ψ, Ψ′, ηc are examined within a model of Okubo-Zweig-Iizuka (OZI) -rule violation based on the S-matrix topological expansion (SMTE). The model provides an appropriate language for discussing general features of the OZI rule and successfully predicts the order of magnitude of the decrease in widths between φ and ψ. Because of the relatively strong mixing of η and η′ with ηc necessitated by the SMTE, these mesons play a prominent role in ψ, ψ′ decays. We readily explain the "large" ψ′→ηψ, ψ→η′γ, ψ→ηγ rates and predict several more channels involving η and η′ into which the new particles should frequently decay. We describe why there is no general concept of double-OZI-forbidden processes and successfully correlate the role the ε meson plays in such reactions as ψ′→ψε, ψ→εω, ψ→εφ. The differences between ψ and ψ′ decays expected because of the radially excited nature of the ψ′ are touched upon, and it is speculated that Γ(ηc)Γ(φ→ρπ). Comparison is made with other models of OZI suppression.
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U2 - 10.1103/PhysRevD.13.3080
DO - 10.1103/PhysRevD.13.3080
M3 - Article
VL - 13
SP - 3080
EP - 3091
JO - Physical Review D - Particles, Fields, Gravitation and Cosmology
JF - Physical Review D - Particles, Fields, Gravitation and Cosmology
SN - 0556-2821
IS - 11
ER -