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most citedAdvances in Quantum Metrology

3.9k citations

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hep-ph2006

Chiral-Odd Generalized Parton Distributions, Transversity and Double Transverse-Spin Asymmetry in Drell-Yan Dilepton Production

M. Pincetti, B. Pasquini, S. Boffi

Within the framework of light-cone quantization we derive the overlap representation of generalized parton distributions for transversely polarized quarks using the Fock-state deco…

hep-ex2006★ 6 cited

Search for the exotic resonance in the NOMAD experiment

Nomad Collaboration

A search for exotic Theta baryon via Theta -> proton +Ks decay mode in the NOMAD muon neutrino DIS data is reported. The special background generation procedure was developed. The…

astro-ph2006★ 23 cited

IGR J08408--4503: a new recurrent Supergiant Fast X-ray Transient

D. Gotz, M. Falanga, F. Senziani +3

The supergiant fast X-ray transient IGR J08408-4503 was discovered by INTEGRAL on May 15, 2006, during a bright flare. The source shows sporadic recurrent short bright flares, reac…

hep-ex2006★ 4 cited

A Non-parametric Approach to Measuring the \kpi{} Amplitudes in \dpkkpi{} Decay

The FOCUS collaboration

Using a large sample of \dpkkpi{} decays collected by the FOCUS photoproduction experiment at Fermilab, we present the first non-parametric analysis of the \kpi{} amplitudes in \dp…

astro-ph2006★ 2 cited

Light Pseudoscalar Bosons, PVLAS and the Double Pulsar J0737-3039

Arnaud Dupays, Marco Roncadelli

Light Pseudoscalar Bosons (LPBs) coupled to two photons are predicted by many realistic extensions of the Standard Model and give rise to birefringence and dichroism in a light bea…

cond-mat.supr-con2006★ 11 cited

Electronic screening and correlated superconductivity in carbon nanotubes

S. Bellucci, M. Cini, P. Onorato +1

A theoretical analysis of the superconductivity observed recently in Carbon nanotubes is proposed. We argue that ultra-small (diameter ) single wall carbon nanotubes…

cond-mat.mes-hall2006★ 9 cited

Quenching of Spin Hall Effect in Ballistic nano-junctions

S. Bellucci, P. Onorato

We show that a nanometric four-probe ballistic junction can be used to check the presence of a transverse spin Hall current in a system with a Spin Orbit coupling not of the Rashba…

hep-ph2006★ 19 cited

Beam-helicity asymmetry in photon and pion electroproduction in the Delta(1232) resonance region at Q^2= 0.35 (GeV/c)^2

A1 Collaboration, I. K. Bensafa, P. Achenbach +40

The beam-helicity asymmetry has been measured simultaneously for the reactions (e p \to e p γ) and (e p \to e p π^0) in the resonance region at 0.35 (GeV/c). T…

hep-ph2006★ 51 cited

Drell-Yan processes, transversity and light-cone wavefunctions

B. Pasquini, M. Pincetti, S. Boffi

The unpolarized, helicity and transversity distributions of quarks in the proton are calculated in the overlap representation of light-cone wavefunctions truncated to the lowest or…

nucl-th2006

Nuclear Physics with Electroweak Probes

Carlotta Giusti

The research activitities carried out in Italy during the last two years in the field of theoretical nuclear physics with electroweak probes are reviewed. Different models for elec…

quant-ph2006★ 32 cited

Information-Disturbance Tradeoff in Quantum State Discrimination

Francesco Buscemi, Massimiliano F. Sacchi

When discriminating between two pure quantum states, there exists a quantitative tradeoff between the information retrieved by the measurement and the disturbance caused on the unk…

nucl-th2006

Strange quark effects in electron and neutrino-nucleus quasi-elastic scattering

Andrea Meucci, Carlotta Giusti, Franco Davide Pacati

The role of the sea quarks to ground state nucleon properties with electroweak probes is discussed. A relativistic Green's function approach to parity violating electron scattering…

nucl-th2006★ 3 cited

A Monte Carlo approach to study neutron and fragment emission in heavy-ion reactions

M. V. Garzelli, P. R. Sala, F. Ballarini +7

Quantum Molecular Dynamics models (QMD) are Monte Carlo approaches targeted at the description of nucleon-ion and ion-ion collisions. We have developed a QMD code, which has been u…

hep-ph2006★ 667 cited

Matching matrix elements and shower evolution for top-quark production in hadronic collisions

Michelangelo L. Mangano, Mauro Moretti, Fulvio Piccinini +1

We study the matching of multijet matrix elements and shower evolution in the case of top production in hadronic collisions at the Tevatron and at the LHC. We present the results o…

quant-ph2006★ 8 cited

Quantum erasure of decoherence

F. Buscemi, G. Chiribella, G. M. D'Ariano

We consider the classical algebra of observables that are diagonal in a given orthonormal basis, and define a complete decoherence process as a completely positive map that asympto…

hep-ph2006★ 2 cited

T-odd distributions, breaking of long range correlations, and sudden entropy changes, in Drell-Yan high-energy processes

Andrea Bianconi

T-odd parton distribution functions in a Drell-Yan process are here studied by examining the evolution of the internal statistical properties of the interacting hadrons. T-odd func…

cs.CC2006★ 5 cited

Coupling of quantum angular momenta: an insight into analogic/discrete and local/global models of computation

Annalisa Marzuoli, Mario Rasetti

In the past few years there has been a tumultuous activity aimed at introducing novel conceptual schemes for quantum computing. The approach proposed in (Marzuoli A and Rasetti M 2…

quant-ph2006★ 1 cited

A minimum-disturbing quantum state discriminator

Francesco Buscemi, Massimiliano F. Sacchi

We propose two experimental schemes for quantum state discrimination that achieve the optimal tradeoff between the probability of correct identification and the disturbance on the…

hep-ph2006★ 4 cited

Effective role of unpolarized nonvalence partons in Drell-Yan single spin asymmetries

Andrea Bianconi, Marco Radici

We perform numerical simulations of the Sivers effect from single spin asymmetries in Drell-Yan processes on transversely polarized protons. We consider colliding antiprotons and p…

quant-ph2006★ 18 cited

Applications of the group SU(1,1) for quantum computation and tomography

G. Chiribella, G. M. D'Ariano, P. Perinotti

This paper collects miscellaneous results about the group SU(1,1) that are helpful in applications in quantum optics. Moreover, we derive two new results, the first is about the ap…

quant-ph2006★ 40 cited

Optimal data processing for quantum measurements

Giacomo Mauro D'Ariano, Paolo Perinotti

We consider the general measurement scenario in which the ensemble average of an operator is determined via suitable data-processing of the outcomes of a quantum measurement descri…

hep-ph2006

Chiral-Odd Generalized Parton Distributions and Transversity in Light-Front Constituent Quark Models

M. Pincetti, B. Pasquini, S. Boffi

We present the general framework to calculate chiral-odd generalized parton distributions in the overlap representation using the Fock-state decomposition in the transverse spin ba…

astro-ph2006★ 28 cited

A new symbiotic low mass X-ray binary system: 4U 1954+319

F. Mattana, D. Gotz, M. Falanga +4

4U 1954+319 was discovered 25 years ago, but only recently has a clear picture of its nature begun to emerge. We present for the first time a broad-band spectrum of the source and…

hep-ph2006★ 13 cited

Matrix elements and Parton Shower in the event generator BABAYAGA

G. Balossini, C. M. Carloni Calame, G. Montagna +2

A new version of the event generator BABAYAGA is presented, which is based on an original matching of the Parton Shower approach with the complete exact O(alpha) matrix element for…