3.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of PaviaIT2.8k papers
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- Istituto Nazionale di Fisica Nucleare, Sezione di PisaIT2.4k papers
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77 papers · 1 filter
An experimental apparatus for measuring the Casimir effect at large distances
P Antonini, G Bimonte, G Bressi +4
An experimental set-up for the measurement of the Casimir effect at separations larger than a few microns is presented. The apparatus is based on a mechanical resonator and uses a…
Optimal covariant quantum networks
G. Chiribella, G. M. D'Ariano, P. Perinotti
A sequential network of quantum operations is efficiently described by its quantum comb, a non-negative operator with suitable normalization constraints. Here we analyze the case o…
XMM-Newton discovery of 2.6 s pulsations in the soft gamma-ray repeater SGR 1627-41
P. Esposito, A. Tiengo, S. Mereghetti +6
After nearly a decade of quiescence, the soft gamma-ray repeater SGR 1627-41 reactivated on 2008 May 28 with a bursting episode followed by a slowly decaying enhancement of its per…
Sensitivity and environmental response of the CMS RPC gas gain monitoring system
L. Benussi, S. Bianco, S. Colafranceschi +35
Results from the gas gain monitoring (GGM) system for the muon detector using RPC in the CMS experiment at the LHC is presented. The system is designed to provide fast and accurate…
The June 2008 flare of Markarian 421 from optical to TeV energies
The Agile Collaboration, Webt Collaboration, Magic Collaboration +2
We present optical, X-ray, high energy ( GeV) and very high energy ( GeV; VHE) observations of the high-frequency peaked blazar Mrk 421 taken betwee…
Asymmetries involving dihadron fragmentation functions: from DIS to e+e- annihilation
Alessandro Bacchetta, Federico A. Ceccopieri, Asmita Mukherjee +1
Using a model calculation of dihadron fragmentation functions, we fit the spin asymmetry recently extracted by HERMES for the semi-inclusive pion pair production in deep-inelastic…
Measurement of the Slope Parameter for the decay with the Crystal Ball detector at the Mainz Microtron (MAMI-C)
S. Prakhov, B. M. K. Nefkens, P. Aguar-Bartolome +68
The dynamics of the decay have been studied with the Crystal Ball multiphoton spectrometer and the TAPS calorimeter. Bremsstrahlung photons produced by the 1.5-GeV elec…
The Quantum No-Stretching: A geometrical interpretation of the no-cloning theorem
Giacomo Mauro D'Ariano, Paolo Perinotti
We consider the ideal situation in which a space rotation is transferred from a quantum spin j to a quantum spin l different from j. Quantum-information theoretical considerations…
One-loop Electro-Weak Corrections to Three-jet Observables of b-quarks in e+e- Annihilations
C. M. Carloni Calame, S. Moretti, F. Piccinini +1
We compute the full one-loop EW contributions of O(α_S alpha_EM^3) entering the electron-positron into two b-quarks and one gluon cross section at the Z peak and LC energies. We in…
The quantum optical Josephson interferometer
Dario Gerace, Hakan E. Tureci, A. Imamoglu +2
The interplay between coherent tunnel coupling and on-site interactions in dissipation-free bosonic systems has lead to many spectacular observations, ranging from the demonstratio…
Spinor Dynamics of Quantum Accelerator Modes near Higher Order Resonances
L. Rebuzzini, I. Guarneri, R. Artuso
Quantum Accelerator Modes were discovered in experiments with Kicked Cold Atoms in the presence of gravity. They were shown to be tightly related to resonances of the Quantum Kicke…
High energy variability of 3C 273 during the AGILE multiwavelength campaign of December 2007 - January 2008
L. Pacciani, I. Donnarumma, V. Vittorini +52
We report the results of a 3-weeks multi-wavelength campaign on the flat spectrum radio quasar 3C 273 carried out with the AGILE gamma-ray mission, covering the 30 MeV -50 GeV and…
On the evolution of the Gamma- and X-ray luminosities of Pulsar Wind Nebulae
Fabio Mattana, Maurizio Falanga, Diego Götz +7
Pulsar wind nebulae are a prominent class of very high energy (E > 0.1 TeV) Galactic sources. Their Gamma-ray spectra are interpreted as due to inverse Compton scattering of ultrar…
Theory of severe slowdown in the relaxation of rings and clusters with antiferromagnetic interactions
Ioannis Rousochatzakis, Andreas Laeuchli, Ferdinando Borsa +1
We show that in the severe slowing down temperature regime the relaxation of antiferromagnetic rings and similar magnetic nanoclusters is governed by the quasi-continuum portion of…
The structure of the nucleon from generalized parton distributions
B. Pasquini, S. Boffi
Generalized parton distributions (GPDs) have become a standard QCD tool for analyzing and parametrizing the non perturbative parton structure of hadron targets. GPDs might be viewe…
Chandra astrometry sets a tight upper limit to the proper motion of SGR 1900+14
A. De Luca, P. A. Caraveo, P. Esposito +1
The soft gamma-ray repeater (SGR) SGR 1900+14 lies a few arcminutes outside the edge of the shell supernova remnant (SNR) G42.8+0.6. A physical association between the two systems…
AGILE observation of a gamma-ray flare from the blazar 3C 279
A. Giuliani, F. D'Ammando, S. Vercellone +56
Context. We report the detection by the AGILE satellite of an intense gamma-ray flare from the gamma-ray source 3EG J1255-0549, associated to the Flat Spectrum Radio Quasar 3C 279,…
High-Resolution Timing Observations of Spin-Powered Pulsars with the AGILE Gamma-Ray Telescope
A. Pellizzoni, M. Pilia, A. Possenti +67
AGILE is a small gamma-ray astronomy satellite mission of the Italian Space Agency dedicated to high-energy astrophysics launched in 2007 April. Its 1 microsecond absolute time tag…
AGILE detection of intense gamma-ray emission from the blazar PKS 1510-089
G. Pucella, V. Vittorini, F. D'Ammando +59
We report the detection by the AGILE (Astro-rivelatore Gamma a Immagini LEggero) satellite of an intense gamma-ray flare from the source AGL J1511-0909, associated with the powerfu…
Technical Design Report for PANDA Electromagnetic Calorimeter (EMC)
PANDA Collaboration, W. Erni, I. Keshelashvili +407
This document presents the technical layout and the envisaged performance of the Electromagnetic Calorimeter (EMC) for the PANDA target spectrometer. The EMC has been designed to m…
Realization schemes for quantum instruments in finite dimensions
Giulio Chiribella, Giacomo Mauro D'Ariano, Paolo Perinotti
We present a general dilation scheme for quantum instruments with continuous outcome space in finite dimensions, in terms of an indirect POVM measurement performed on a finite dime…
Robust strategies for lossy quantum interferometry
Lorenzo Maccone, Giovanni De Cillis
We give a simple multiround strategy that permits to beat the shot noise limit when performing interferometric measurements even in the presence of loss. In terms of the average ph…
Gamma-ray burst detection with the AGILE mini-calorimeter
M. Marisaldi, C. Labanti, F. Fuschino +70
The Mini-Calorimeter (MCAL) instrument on-board the AGILE satellite is a non-imaging gamma-ray scintillation detector sensitive in the 300keV-100MeV energy range with a total on-ax…
Correlated pairs from the absorption of at rest in light nuclei
M. Agnello
Novel data from the absorption reaction in light nuclei Li and Be are presented. The study aimed at finding correlations. Regardless of , the…