110 citations · 485 across the 58 of their papers we have counts for
5 papers · 1 filter
Is a quantum theory of resonances really time asymmetric?
F. Kleefeld
The title "Time Asymmetric Quantum Theory: the Theory of Resonances" (without questionmark) of the CFIF workshop (23.-26.7.2003, Lisbon, Portugal) implies that the theoretical desc…
The Light and Heavy Scalars in Unitarized Coupled Channel and Lagrangian Approaches
F. Kleefeld
Using ideas underlying the flavour-blind "Nijmegen Unitarised Meson Model" we try to understand on the basis of a system of Schroedinger equations with one meson-meson and one (spi…
On Symmetries in (Anti)Causal (Non)Abelian Quantum Theories
F. Kleefeld
(Anti)causal boundary conditions being imposed on the (seemingly) Hermitian Quantum Theory (HQT) as described in standard textbooks lead to an (Anti)Causal Quantum Theory ((A)CQT)…
Ground-State Scalar Nonet: SU(3) Mass Splittings and Strong, Electromagnetic, and Weak Decay Rates
Michael D. Scadron, George Rupp, Frieder Kleefeld +1
By comparing SU(3)-breaking scales of linear mass formulae, it is shown that the lowest vector and scalar mesons all have a configuration, while the ground-state octet a…
SU(3) Mass Splittings for Mesons and Baryons
M. D. Scadron, G. Rupp, E. van Beveren +1
By comparing SU(3)-breaking scales of linear mass formulae, it is shown that the lowest vector, axial-vector, and scalar mesons all have a configuration, while the groun…