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24 papers · 1 filter
QED vacuum fluctuations and induced electric dipole moment of the neutron
C. A. Dominguez, H. Falomir, M. Ipinza +3
Quantum fluctuations in the QED vacuum generate non-linear effects, such as peculiar induced electromagnetic fields. In particular, we show here that an electrically neutral partic…
Confronting QCD with the experimental hadronic spectral functions from tau-decay
C. A. Dominguez, N. F. Nasrallah, K. Schilcher
The (non-strange) vector and axial-vector spectral functions extracted from -decay by the ALEPH collaboration are confronted with QCD in the framework of a Finite Energy QCD sum…
Statistical Model Predictions for p+p and Pb+Pb Collisions at LHC
I. Kraus, J. Cleymans, H. Oeschler +2
Particle production in p+p and central Pb+Pb collisions at LHC is discussed in the context of the statistical thermal model. For heavy-ion collisions, predictions of various partic…
Light quark masses from QCD sum rules with minimal hadronic bias
C. A. Dominguez, N. F. Nasrallah, R. Röntsch K. Schilcher
The light quark masses are determined using a new QCD Finite Energy Sum Rule (FESR) in the pseudoscalar channel. This FESR involves an integration kernel designed to reduce conside…
Scalar radius of the pion in the Kroll-Lee-Zumino renormalizable theory
C. A. Dominguez, M. Loewe, B. Willers
The Kroll-Lee-Zumino renormalizable Abelian quantum field theory of pions and a massive rho-meson is used to calculate the scalar radius of the pion at next to leading (one loop) o…
Particle production in p-p collisions and prediction for LHC energy
I. Kraus, J. Cleymans, H. Oeschler +1
We analyze recent data on particle production yields obtained in p-p collisions at SPS and RHIC energies within the statistical model. We apply the model formulated in the canonica…