Search Results - "Branchina, V"

Electroweak vacuum lifetime in two Higgs doublet models by Branchina, V., Contino, F., Ferreira, P. M.

“…A bstract We study the stability of neutral electroweak vacua in two Higgs doublet models, and calculate the lifetime of these states when the parameters are…”
Get full text

Impact of new physics on the EW vacuum stability in a curved spacetime background by Bentivegna, E., Branchina, V., Contino, F., Zappalà, D.

“…A bstract It has been recently shown that, contrary to an intuitive decoupling argument, the presence of new physics at very large energy scales (say around…”
Get full text

The nuclear matrix elements of 0 νββ decay and the NUMEN project at INFN-LNS by Cappuzzello, F., Agodi, C., Balestra, F., Bijker, R., Bonanno, D., Bongiovanni, D., Branchina, V., Calabrese, S., Calabretta, L., Calanna, A., Calvo, D., Carbone, D., Cavallaro, M., Colonna, M., Ferrero, S., Foti, A., Finocchiaro, P., Giraudo, G., Greco, V., Iazzi, F., Introzzi, R., Lanzalone, G., Lavagno, A., Lo Presti, D., Longhitano, F., Muoio, A., Pandola, L., Rifuggiato, D., Ruslan, M.V., Santopinto, E., Scaltrito, L., Tudisco, S., Zagatto, V.

“…An innovative technique to access the nuclear matrix elements entering the expression of the life time of the double beta decay by relevant cross sections…”
Get full text

Effective action and the quantum equation of motion by Branchina, V., Faivre, H., Zappalá, D.

“…We carefully analyze the use of the effective action in dynamical problems, in particular the conditions under which the equation \(\frac{\delta \Gamma}…”
Get full text

Comment on "Feynman effective classical potential in the Schrödinger formulation" by Andronico, G, Branchina, V, Zappalà, D

Get full text

Hadronic width of the Z from a global fit to e+e- → hadrons data by BRANCHINA, V, CASTORINA, P, CONSOLI, M, ZAPPALA, D

Get full text

Physical Tuning and Naturalness by Branchina, C, Branchina, V, Contino, F

“…We present a radically new proposal for the solution of the naturalness/hierarchy problem, where the fine-tuning of the Higgs mass finds its physical…”
Get full text

The price of an exact, gauge-invariant RG-flow equation by Branchina, Vincenzo, Meissner, Krzysztof A., Veneziano, Gabriele

“…We combine old ideas about exact renormalization-group-flow (RGF) equations with the Vilkovisky–De Witt (VDW) approach to reparametrization invariant effective…”
Get full text

Effective potential (in)stability and lower bounds on the scalar (Higgs) mass by Branchina, Vincenzo, Faivre, Hugo

Get full text

RG generated fermion mass by Branchina, Vincenzo

“…Chiral symmetry breaking in a purely fermionic theory is investigated by the help of the renormalization group method. It is shown that the RG equation for the…”
Get full text

Comment on `Feynman Effective Classical Potential in the Schroedinger Formulation by Andronico, G., Branchina, V., Zappala, D.

Get full text

Convexity property of the variational approximations to the effective potential by BRANCHINA, V, CASTORINA, P, ZAPPALA, D

“…The convexity property of the variational approximations to the effective potential is analyzed both in quantum mechanics and in {lambda}{phi}{sup 4} field…”
Get full text

Electroweak vacuum lifetime in two Higgs doublet models by Branchina, V, Contino, F, Ferreira, P. M

“…We study the stability of neutral electroweak vacua in two Higgs doublet models, and calculate the lifetime of these states when the parameters are such that…”
Get full text

Combined fit to R(e+e-→hadrons) and data from the CERN e+e- collider LEP by BRANCHINA, V, CONSOLI, M, FIORE, R, ZAPPALA, D

Get full text

Impact of New Physics on the EW vacuum stability in a curved spacetime background by Bentivegna, E, Branchina, V, Contino, F, Zappalà, D

“…It has been recently shown that, contrary to an intuitive decoupling argument, the presence of new physics at very large energy scales (say around the Planck…”
Get full text

Finite-momentum Bose-Einstein condensates in shaken two-dimensional square optical lattices by Di Liberto, M., Tieleman, O., Branchina, V., Smith, C. Morais

“…We consider ultracold bosons in a two-dimensional square optical lattice described by the Bose-Hubbard model. In addition, an external time-dependent…”
Get full text

Critical behavior of the P T -symmetric i ϕ 3 quantum field theory by Bender, Carl M., Branchina, V., Messina, Emanuele

Get full text

Critical behavior of the PJ-symmetric i[varphi] super(3) quantum field theory by Bender, Carl M, Branchina, V, Messina, Emanuele

“…It was shown recently that a PJ-sym metric i[varphi] super(3) quantum field theory in 6 - epsilon dimensions possesses a nontrivial fixed point. The critical…”
Get full text

Critical behavior of the PT-symmetric $i\phi^3$ quantum field theory by Bender, Carl M, Branchina, V, Messina, Emanuele

“…It was shown recently that a PT-symmetric $i\phi^3$ quantum field theory in $6-\epsilon$ dimensions possesses a nontrivial fixed point. The critical behavior…”
Get full text

Time evolution of T_{\mu\nu} and the cosmological constant problem by Branchina, V, Zappalà, D

“…Gen.Rel.Grav.42:141-154,2010 We study the cosmic time evolution of an effective quantum field theory energy-momentum tensor T_{\mu\nu} and show that, as a…”
Get full text