The European Physical Journal C

Measurement of the Z resonance parameters at LEP p. 1

Search for anomalous production of acoplanar di-lepton events in e⁺e^- collisions at 183 and 189 GeV p. 51

Search for unstable heavy and excited leptons at LEP2 p. 73

Vacuum solutions of neutrino anomalies through a softly broken U(1) symmetry p. 85

Yukawa corrections to the charged Higgs boson production in association with the top quark at hadron colliders p. 91

Anomalous quartic couplings in , and production at present and future e⁺e^- colliders p. 103

N_f dependence of the quark condensate from a chiral sum rule p. 111

Asymptotic structure of perturbative series for τ lepton decay observables: m_s² corrections p. 123

Parton distributions and the LHC: W and Z production p. 133

Flavor asymmetry of polarized antiquark distributions and semi-inclusive DIS p. 147

New formulas and predictions for running masses at higher scales in MSSM p. 159

Search and identification of scalar and vector leptoquarks at HERA with polarization p. 165

Composite antisymmetric-tensor Nambu-Goldstone bosons in a four-fermion interaction model and the Higgs mechanism p. 179

Erratum: Asymptotic structure of perturbative series for τ lepton decay observables: m_s² corrections p. 185