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- Institute for Quantum Optics and Quantum Information InnsbruckAT973 papers
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9 papers · 2 filters
Flavour violating bosonic squark decays at LHC
A. Bartl, H. Eberl, E. Ginina +4
We study quark flavour violation (QFV) in the squark sector of the Minimal Supersymmetric Standard Model (MSSM). We assume mixing between the second and the third squark generation…
Exact Solutions of Bethe-Salpeter Equations with Instantaneous Interactions
Wolfgang Lucha, Franz F. Schoberl
The Bethe-Salpeter approach allows for quantum-field-theoretic descriptions of relativistic bound states; its inherent complexity, however, usually prevents to find its exact solut…
Meson-Photon Transition Form Factors
Irina Balakireva, Wolfgang Lucha, Dmitri Melikhov
We present the results of our recent analysis of the meson-photon transition form factors for the pseudoscalar mesons , using the local-duality vers…
Local-Duality QCD Sum Rules for Pseudoscalar-Meson Form Factors
Irina Balakireva, Wolfgang Lucha, Dmitri Melikhov
We scrutinize recent findings on the charged-pion elastic form factor and the form factors entering in neutral-meson-to-photons transition amplitudes within the framework of QCD su…
Universal behaviour of the transition form factors
Dmitri Melikhov, Berthold Stech
The photon transition form factors of , and are discussed in view of recent measurements. It is shown that the exact axial anomaly sum rule allows a precise comparison…
The transition form factor
Wolfgang Lucha, Dmitri Melikhov
We study the transition form factor, with the local-duality (LD) version of QCD sum rules. We analyse the extraction of this quantity from…