QCD sum rules and the properties of. rho. - and. phi. -meson excited states

Journal Article · Mon Jul 01 04:00:00 EDT 1991 · Physical Review, D (Particles Fields); (USA)

DOI:https://doi.org/10.1103/PhysRevD.44.220· OSTI ID:5636890

Martinovic, L ^[1]

---

1. Joint Institute for Nuclear Research, Dubna, Head Post Office, P.O. Box 79, 10100 Moscow, U.S.S.R. (SU) Institute of Physics, Slovak Academy of Sciences, 842 28 Bratislava, Czechoslovakia

The recently proposed method of extracting more detailed information on {rho}- and {phi}-meson properties from the Laplace QCD sum rules is extended to include also the lowest-lying radial excitations in both channels. The approach is based on a simultaneous numerical matching of the corresponding sum rule and its derivative in a suitable range of the sum-rule parameter {ital M} as well as on the use of smooth parametrizations for the hadronic cross sections {sigma}({ital e}{sup +}{ital e{minus}}{r arrow}2{pi},4{pi}) and {sigma}({ital e}{sup +}{ital e{minus}}{r arrow}{ital K{bar K}}). The predicted masses, widths, and some other decay characteristics are close to the experimental values.

• OSTI ID: 5636890
• Journal Information: Physical Review, D (Particles Fields); (USA), Journal Name: Physical Review, D (Particles Fields); (USA) Vol. 44:1; ISSN PRVDA; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

645204 -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions & Properties
645400* -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
CROSS SECTIONS
DECAY
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
ENERGY LEVELS
EQUATIONS
EXCITED STATES
FERMIONS
FIELD THEORIES
FORM FACTORS
FUNCTIONS
GLUONS
HADRONS
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
MASS
MESONS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PARTICLE WIDTHS
PHI-1020 MESONS
POSTULATED PARTICLES
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUANTUM NUMBERS
QUARKONIUM
QUARKS
RHO-770 MESONS
SPECTRAL FUNCTIONS
STRANGEONIUM
SUM RULES
VACUUM STATES
VECTOR MESONS