213 citations · 1.2k across the 48 of their papers we have counts for
30 papers · 1 filter
Relativistic meson-exchange currents in semi-inclusive lepton scattering
Valerio Belocchi, Maria Benedetta Barbaro, Arturo De Pace +1
We assess the impact of two-particle--two-hole excitations on the semi-inclusive electron scattering process (e,e'p) using a fully relativistic nuclear model calculation that preci…
Nuclear models for inclusive lepton-nucleus scattering in the quasi-elastic region and beyond
Valerio Belocchi, Maria Benedetta Barbaro, Arturo De Pace +1
High-precision measurements in neutrino oscillation experiments require a very accurate description of the lepton-nucleus scattering process. Several cross-section calculations are…
Nuclear response functions with finite range Gogny force: tensor terms and instabilities
A. De Pace, M. Martini
A fully-antisymmetrized random phase approximation calculation employing the continued fraction technique is performed to study nuclear matter response functions with the finite ra…
A study of vorticity formation in high energy nuclear collisions
F. Becattini, G. Inghirami, V. Rolando +6
We present a quantitative study of vorticity formation in peripheral ultrarelativistic heavy ion collisions at sqrt(s)NN = 200 GeV by using the ECHO-QGP numerical code, implementin…
Doorway States in the Random-Phase Approximation
A. De Pace, A. Molinari, H. A. Weidenmueller
By coupling a doorway state to a see of random background states, we develop the theory of doorway states in the framework of the random-phase approximation (RPA). Because of the s…
Relativistic viscous hydrodynamics for heavy-ion collisions with ECHO-QGP
L. Del Zanna, V. Chandra, G. Inghirami +6
We present ECHO-QGP, a numerical code for -dimensional relativistic viscous hydrodynamics designed for the modeling of the space-time evolution of the matter created in high…
Spreading Widths of Doorway States
A. De Pace, A. Molinari, H. A. Weidenmueller
As a function of energy E, the average strength function S(E) of a doorway state is commonly assumed to be Lorentzian in shape and characterized by two parameters, the peak energy…
Randomness in nuclei and in the quark-gluon plasma
A. De Pace, A. Molinari
The issue of averaging randomness is addressed, mostly in nuclear physics, but shortly also in QCD. The Feshbach approach, so successful in dealing with the continuum spectrum of t…
Revisiting the Hugenholtz-Van Hove theorem in nuclear matter
P. Czerski, A. De Pace, A. Molinari
An assessment of the magnitude of the rearrangement contribution to the Fermi energy and to the binding energy per particle is carried out in symmetric nuclear matter by extending…
Statistical theory of the many-body nuclear system
A. De Pace, A. Molinari
A recently proposed statistical theory of the mean fields associated with the ground and excited collective states of a generic many-body system is extended by increasing the dimen…
Decay rates of medium-heavy Lambda-hypernuclei within the Propagator Method
W. M. Alberico, A De Pace, G. Garbarino +1
The Lambda decay rates in nuclei has been calculated in ref. 1 using the Propagator Method in Local Density Approximation. We have studied the dependence of the widths (including t…
Chiral quark-soliton model in the Wigner-Seitz approximation
P. Amore, A. De Pace
In this paper we study the modification of the properties of the nucleon in the nucleus within the quark-soliton model. This is a covariant, dynamical model, which provides a non-l…
Functional approach to the non-mesonic decay of Lambda-hypernuclei
W. M. Alberico, A. De Pace, G. Garbarino +1
We present an evaluation of the non-mesonic decay widths for Lambda-hypernuclei (Lambda N --> NN, Lambda NN --> NNN) within the framework of the polarization propagator method. The…
Ground state energy fluctuations in nuclear matter II
A. De Pace, H. Feshbach, A. Molinari
Improvements are performed on a recently proposed statistical theory of the mean field of a many-fermion system. The dependence of the predictions of the theory upon its two basic…
Weak decays of medium and heavy Lambda-hypernuclei
W. M. Alberico, A. De Pace, G. Garbarino +1
We have made a new evaluation of the Lambda decay width in nuclear matter within the Propagator Method. Through the Local Density Approximation it is possible to obtain results in…
Relativistic y-scaling and the Coulomb sum rule in nuclei
M. B. Barbaro, R. Cenni, A. De Pace +2
In this paper dividing factors GL and GT are constructed for the longitudinal and transverse responses of the relativistic Fermi gas in such a way that the reduced responses so obt…
Antisymmetrized random phase approximation for quasielastic scattering in nuclear matter: Non-relativistic potentials
A. De Pace
Many-body techniques for the calculation of quasielastic nuclear matter response functions in the fully antisymmetrized random phase approximation on a Hartree-Fock basis are discu…
Quasielastic K+ scattering in nuclei
A. De Pace
The quasielastic scattering kaon-nucleus experiment performed at BNL is analyzed in a finite nucleus continuum random phase approximation framework, treating the reaction mechanism…
Delta excitation in K^+-nucleus collisions
J. A. Oller, E. Oset, A. De Pace +1
We present calculations for Δexcitation in the (K^+,K^+) reaction in nuclei. The background from quasielastic K^+ scattering in the Δregion is also evaluated and shown to be quite…
A statistical theory of the mean field
R. Caracciolo, A. De Pace, H. Feshbach +1
A statistical theory of the mean field is developed. It is based on the proposition that the mean field can be obtained as an energy average. Moreover, it is assumed that the matri…
Quasielastic K-nucleus scattering
A. De Pace, C. Garcia-Recio, E. Oset
Quasielastic K^+ - nucleus scattering data at q=290, 390 and 480 MeV/c are analyzed in a finite nucleus continuum random phase approximation framework, using a density-dependent pa…
Probing Nucleon Strangeness with Neutrinos: Nuclear Model Dependences
M. B. Barbaro, A. De Pace, T. W. Donnelly +2
The extraction of the nucleon's strangeness axial charge, Delta_s, from inclusive, quasielastic neutral current neutrino cross sections is studied within the framework of the plane…
Relativistic Hamiltonians in many-body theories
P. Amore, M. B. Barbaro, A. De Pace
We discuss the description of a many-body nuclear system using Hamiltonians that contain the nucleon relativistic kinetic energy and potentials with relativistic corrections. Throu…
Parity-violating longitudinal response
M. B. Barbaro, A. De Pace, T. W. Donnelly +1
The longitudinal quasielastic parity-violating electron scattering response is explored within the context of a model that builds antisymmetrized RPA-HF correlations on a relativis…