Istituto Nazionale di Fisica Nucleare, Sezione di Pisa

output

19922026

most citedObservation of Gravitational Waves from a Binary Black Hole Merger

14.2k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 1995Show all

52 papers · 1 filter

cond-mat1995★ 11 cited

A microscopic approach to the response of $^{3}$ He - $^{4}$ He mixtures

A. Fabrocini, L. Vichi, F. Mazzanti +1

Correlated Basis Function perturbation theory is used to evaluate the zero temperature response $S (q, ω)$ of $^{3}$ He- $^{4}$ He mixtures for inelastic neutron scattering, at momentum tra…

hep-th1995★ 128 cited

Spontaneous Breaking of N=2 to N=1 in Rigid and Local Supersymmetric Theories

S. Ferrara, L. Girardello, M. Porrati

We analyze the relation between rigid and local supersymmetric N=2 field theories, when half of the supersymmetries are spontaneously broken. In particular, we show that the recent…

hep-ph1995★ 310 cited

Predictions From A U(2) Flavour Symmetry In Supersymmetric Theories

Riccardo Barbieri, George Dvali, Lawrence Hall

In a generic supersymmetric extension of the Standard Model, whether unified or not, a simple and well motivated U(2) symmetry, acting on the lightest two generations, completely s…

hep-lat1995★ 5 cited

Testing the heating method with perturbation theory

B. Alles, M. Beccaria, F. Farchioni

The renormalization constants present in the lattice evaluation of the topological susceptibility can be non-perturbatively calculated by using the so-called heating method. We tes…

hep-ph1995★ 41 cited

Electric dipole moments as signals of supersymmetric unification

R. Barbieri, A. Romanino, A. Strumia

If supersymmetric unification is true, we show how the combined effort of several experiments under way to try to measure an electric dipole moment of the electron or of the neutro…

hep-ex1995★ 12 cited

Measurement of the Average $B$ -Hadron Lifetime in $Z^{0}$ Decays

The SLD Collaboration

We report a measurement of the average $B$ -hadron lifetime using data collected with the SLD detector at the SLC in 1993. An inclusive analysis selected three-dimensional vertices…

hep-ph1995

Anomalous violation of the OZI-rule in the $N N ˉ \to ΦΦ$ , $N N ˉ \to Φ γ$ reactions and instantons

N. I. Kochelev

It is shown, that specific properties of the instanton induced interaction between quarks leads to the anomalous violation of the OZI-rule in the $N N ˉ \to ΦΦ$ , $N N ˉ \to Φ γ$ r…

hep-lat1995★ 15 cited

Renormalization group flow and fixed point of the lattice topological charge in the 2-d O(3) sigma-model

M. D'Elia, F. Farchioni, A. Papa

We study the renormalization group evolution up to the fixed point of the lattice topological susceptibility in the 2-d O(3) non-linear sigma-model. We start with a discretization…

hep-lat1995★ 42 cited

Improved lattice operators: the case of the topological charge density

C. Christou, A. Di Giacomo, H. Panagopoulos +1

We analyze the properties of a class of improved lattice topological charge density operators, constructed by a smearing-like procedure. By optimizing the choice of the parameters…

chao-dyn1995★ 157 cited

Generalized scaling in fully developed turbulence

R. Benzi, L. Biferale, S. Ciliberto +2

In this paper we report numerical and experimental results on the scaling properties of the velocity turbulent fields in several flows. The limits of a new form of scaling, named E…

hep-lat1995★ 36 cited

Four-Loop Perturbative Expansion for the Lattice $N$ -Vector Model

Sergio Caracciolo, Andrea Pelissetto

We compute the four-loop contributions to the $β$ -function and the anomalous dimension of the field for the $O (N)$ -invariant $N$ -vector model. These results are used to compute the…

chao-dyn1995★ 51 cited

Extended Self Similarity in numerical simulations of 3D anisotropic turbulence

R. Benzi, M. V. Struglia, R. Tripiccione

Using a code based on the Lattice Boltzmann Equation, we have performed numerical simulations of a turbulent shear flow. We investigate the scaling behaviour of the structure funct…

hep-ex1995★ 61 cited

Measurement of $σ \cdot B (W \to e ν)$ and $σ \cdot B (Z^{0} \to e^{+} e^{-})$ in $p p ˉ$ collisions at $s = 1.8$ TeV

F. Abe

We present a measurement of $σ \cdot B (W \to e ν)$ and $σ \cdot B (Z^{0} \to e^{+} e^{-})$ in proton - antiproton collisions at $s = 1.8$ TeV using a significantly improved understandi…

chao-dyn1995★ 19 cited

A new scaling property of turbulent flows

R. Benzi, L. Biferale, S. Ciliberto +2

We discuss a possible theoretical interpretation of the self scaling property of turbulent flows (Extended Self Similarity). Our interpretation predicts that, even in cases when ES…

hep-lat1995★ 11 cited

Topological aspects of QCD

A. Di Giacomo

We review recent results from lattice on topological aspects of QCD: most of the results refer to monopoles and to instantons. We discuss in detail the evidence for condensation of…

hep-lat1995

Improving the topological charge density operator on the lattice

C. Christou, A. Di Giacomo, H. Panagopoulos +1

We analyze the properties of a class of improved lattice topological charge density operators, constructed by a smearing-like procedure. By optimizing the choice of the parameters…

hep-lat1995★ 44 cited

Chiral behaviour of the lattice $B_{K}$ -parameter with the Wilson and Clover Actions at $β = 6.0$

M. Crisafulli, A. Donini, V. Lubicz +4

We present results for the kaon $B$ -parameter $B_{K}$ from a sample of $200$ configurations using the Wilson action and $460$ configurations using the SW-Clover action, on a $18^3 \t…

hep-lat1995★ 3 cited

Application of the $O (N)$ -Hyperspherical Harmonics to the Study of the Continuum Limits of One-Dimensional $σ$ -Models and to the Generation of High-Temperature Expansions in Higher Dimensions

Massimo Campostrini, Attilio Cucchieri, Tereza Mendes +4

In this talk we present the exact solution of the most general one-dimensional $O (N)$ -invariant spin model taking values in the sphere $S^{N - 1}$ , with nearest-neighbour interaction…

hep-lat1995★ 1 cited

Running coupling constant and correlation length from Wilson loops

Massimo Campostrini, Paolo Rossi, Ettore Vicari

We consider a definition of the QCD running coupling constant $α (μ)$ related to Wilson loops of size $r \times t$ with arbitrary fixed $t / r$ . The schemes defined by these couplings…

hep-lat1995★ 8 cited

Strong-coupling expansion of lattice O(N) sigma models

Massimo Campostrini, Andrea Pelissetto, Paolo Rossi +1

We report progress in the computation and analysis of strong-coupling series of two- and three-dimensional $O (N)$ $σ$ models. We show that, through a combination of long stro…

hep-lat1995★ 4 cited

2-dimensional Regge gravity in the conformal gauge

Pietro Menotti, Pier Paolo Peirano

By restricting the functional integration to the Regge geometries, we give the discretized version of the well known path integral formulation of 2--dimensional quantum gravity in…

chao-dyn1995★ 43 cited

On the intermittent energy transfer at viscous scales in turbulent flows

R. Benzi, L. Biferale, S. Ciliberto +2

In this letter we present numerical and experimental results on the scaling properties of velocity turbulent fields in the range of scales where viscous effects are acting. A gener…

hep-th1995★ 9 cited

On the N = 2 supersymmetric CP(N) sigma model and Chern Simons terms

Massimiliano Ciuchini, J. A. Gracey

We use the large $N$ self consistency method to compute the critical exponents of the fields and coupling of the supersymmetric CP(N) sigma model at leading order in $1/ N$ in vario…

hep-ph1995★ 4 cited

Heavy Quark Production In Hadronic Collisions

Michelangelo L. Mangano

We review the physics of heavy quark and quarkonium production in high energy hadronic collisions. We discuss the status of the theoretical calculations and compare the current res…

A microscopic approach to the response of 3He -4He mixtures

Spontaneous Breaking of N=2 to N=1 in Rigid and Local Supersymmetric Theories

Predictions From A U(2) Flavour Symmetry In Supersymmetric Theories

Testing the heating method with perturbation theory

Electric dipole moments as signals of supersymmetric unification

Measurement of the Average B-Hadron Lifetime in Z0 Decays

Anomalous violation of the OZI-rule in the NNˉ→ΦΦ, NNˉ→Φγ reactions and instantons

Renormalization group flow and fixed point of the lattice topological charge in the 2-d O(3) sigma-model

Improved lattice operators: the case of the topological charge density

Generalized scaling in fully developed turbulence

Four-Loop Perturbative Expansion for the Lattice N-Vector Model

Extended Self Similarity in numerical simulations of 3D anisotropic turbulence

Measurement of σ⋅B(W→eν) and σ⋅B(Z0→e+e−) in ppˉ​ collisions at s​=1.8 TeV

A new scaling property of turbulent flows

Topological aspects of QCD

Improving the topological charge density operator on the lattice

Chiral behaviour of the lattice BK​-parameter with the Wilson and Clover Actions at β=6.0

Application of the O(N)-Hyperspherical Harmonics to the Study of the Continuum Limits of One-Dimensional σ-Models and to the Generation of High-Temperature Expansions in Higher Dimensions

Running coupling constant and correlation length from Wilson loops

Strong-coupling expansion of lattice O(N) sigma models

2-dimensional Regge gravity in the conformal gauge

On the intermittent energy transfer at viscous scales in turbulent flows

On the N = 2 supersymmetric CP(N) sigma model and Chern Simons terms

Heavy Quark Production In Hadronic Collisions

A microscopic approach to the response of $^{3}$ He - $^{4}$ He mixtures

Measurement of the Average $B$ -Hadron Lifetime in $Z^{0}$ Decays

Anomalous violation of the OZI-rule in the $N N ˉ \to ΦΦ$ , $N N ˉ \to Φ γ$ reactions and instantons

Four-Loop Perturbative Expansion for the Lattice $N$ -Vector Model

Measurement of $σ \cdot B (W \to e ν)$ and $σ \cdot B (Z^{0} \to e^{+} e^{-})$ in $p p ˉ$ collisions at $s = 1.8$ TeV

Chiral behaviour of the lattice $B_{K}$ -parameter with the Wilson and Clover Actions at $β = 6.0$

Application of the $O (N)$ -Hyperspherical Harmonics to the Study of the Continuum Limits of One-Dimensional $σ$ -Models and to the Generation of High-Temperature Expansions in Higher Dimensions