194 citations · 3.1k across the 104 of their papers we have counts for
4 papers · 1 filter
Small x evolution: BFKL vs Dipole Picture
G. P. Vacca
The relation between the two approaches is discussed both in the linear and nonlinear regimes. It is connected to the gauge invariance and Moebius symmetry in LL perturbative QCD.…
Pomeron Vertices in Perturbative QCD in Diffractive Scattering
J. Bartels, M. Braun, G. P. Vacca
We analyse the momentum space triple Pomeron vertex in perturbative QCD. In addition to the standard form of this vertex which is used in the context of total cross-sections at hig…
Small x QCD
G. P. Vacca
A review of some theoretical aspects of small x QCD physics is given, with a particular emphasis to the relation between the BFKL and the colour dipole approaches. The nonlinear ev…
Adiabatic regularization of the graviton stress-energy tensor in de Sitter space-time
F. Finelli, G. Marozzi, G. P. Vacca +1
We study the renormalized energy-momentum tensor of gravitons in a de Sitter space-time. After canonically quantizing only the physical degrees of freedom, we adopt the standard ad…