The European Physical Journal C

φ production in In–In collisions at 158 A GeV p. 1

Limits on a nucleon–nucleon monopole–dipole coupling from spin relaxation of polarized ultra-cold neutrons in traps p. 19

Quartic gauge couplings and the radiation zero in pp→l^±νγγ events at the LHC p. 25

α _s from τ decays: contour-improved versus fixed-order summation in a new QCD perturbation expansion p. 35

Radiative corrections in K _e4 decay p. 47

Violations of lepton-flavour universality in P→ℓ ν decays: a model-independent analysis p. 55

Quasi-particle model for lattice QCD: quark–gluon plasma in heavy ion collisions p. 63

Renormalization group equation and QCD coupling constant in the presence of SU(3) chromo-electric field p. 73

On “Schwinger mechanism for gluon pair production in the presence of arbitrary time dependent chromo-electric field” p. 81

Interacting polytropic gas model of phantom dark energy in non-flat universe p. 85

Generalized holographic and Ricci dark energy models p. 89

On the resolution of cosmic coincidence problem and phantom crossing with triple interacting fluids p. 97

Density perturbation of unparticle dark matter in the flat Universe p. 107

Spherically symmetric vacuum solutions of modified gravity theory in higher dimensions p. 113

Pion condensation in a dense neutrino gas p. 123

A path integral formula for quark condensate states in a modified PQCD p. 133

A purely algebraic construction of a gauge and renormalization group invariant scalar glueball operator p. 147

Taking off the square root of Nambu–Goto action and obtaining Filippov–Lie algebra gauge theory action p. 161

Erratum to: V0 production in p+A collisions at GeV p. 167

Erratum to: Gravitational geometric phase in the presence of torsion p. 169