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6 papers · 1 filter
Mean Field Approach to the Giant Wormhole Problem
A. Gamba, I. Kolokolov, M. Martellini
We introduce a gaussian probability density for the space-time distribution of wormholes, thus taking effectively into account wormhole interaction. Using a mean-field approximatio…
Constrained Instanton and Baryon Number Non--Conservation at High Energies
P. G. Silvestrov
Constrained Instanton and Baryon Number Non--Conservation at High Energies, P.G.Silvestrov, BUDKERINP 92--92. The total cross-section for baryon number violating processes at high…
The Nuclear Response in Delta-Isobar Region in the (He,t) Reaction
V. F. Dmitriev
The excitation of a -isobar in a finite nucleus in charge--exchange (He,t) reaction is discussed in terms of a nuclear response function. The medium effects modifying a $Δ…
Once more on -vacua in dimensional QED and 3+1 dimensional gluodynamics
A. Zhitnitsky
Two different but tightly connected problems, and strong CP violation problems, are discussed in two different models which exhibit both asymptotic freedom and confinement.…
Quark confinement , topological susceptibility and all that in 4 dimensional gluodynamics
A. Zhitnitsky
We discuss a few tightly connected problems, such as the problem, confinement, the -dependence within a framework of the dynamical toron approach. We calculate two funda…
Nonperturbative Corrections to Inclusive Beauty and Charm Decays: QCD versus Phenomenological Models
I. I. Bigi, N. G. Uraltsev, A. I. Vainshtein
We present a selfconsistent method for treating nonperturbative effects in inclusive nonleptonic and semileptonic decays of heavy flavour hadrons. These effects give rise to powerl…