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Showing 2007Show all

193 papers · 1 filter

physics.ins-det2007★ 36 cited

Detectors and flux instrumentation for future neutrino facilities

T. Abe, H. Aihara, C. Andreopoulos +66

This report summarises the conclusions from the detector group of the International Scoping Study of a future Neutrino Factory and Super-Beam neutrino facility. The baseline detect…

hep-ph2007★ 2 cited

On the eta(b) => J/psi J/psi decay

Pietro Santorelli

It has been argued long ago that eta(b) could be observed through the eta(b) => J/psi(=> mu+ mu-) J/psi(=> mu+ mu-) decay chain. Recent calculations indicate that the width of eta(…

hep-ex2007★ 29 cited

A Measurement of the Branching Fractions of exclusive Bbar -> D(*)(pi)l-nubar Decays in Events with a Fully Reconstructed B Meson

The BABAR Collaboration, B. Aubert

We report a measurement of the branching fractions for Bbar -> D(*)(pi)l-nubar decays based on 341.1 fb-1 of data collected at the Upsilon(4S) resonance with the babar detector at…

hep-ex2007★ 10 cited

Time-dependent Dalitz plot analysis of B0 -> D-(+) K0 Pi+(-) decays

The BABAR Collaboration, B. Aubert

We present for the first time a measurement of the weak phase 2b+g obtained from a time-dependent Dalitz plot analysis of B^0 -> D-(+) K0 Pi+(-) decays. Using a sample of approxima…

gr-qc2007★ 62 cited

Higher-order gravity and the cosmological background of gravitational waves

S. Capozziello, M. De Laurentis, M. Francaviglia

The cosmological background of gravitational waves can be tuned by the higher-order corrections to the gravitational Lagrangian. In particular, it can be shown that assuming $R^{1+…

nucl-th2007★ 19 cited

Long standing problem of 210Bi and the realistic neutron-proton effective interaction

L. Coraggio, A. Covello, A. Gargano +1

The odd-odd nucleus 210Bi is studied within the framework of the shell model using effective two-body matrix elements derived from the CD-Bonn nucleon-nucleon potential. The experi…

hep-ex2007★ 49 cited

Measurement of D0-anti-D0 Mixing using the Ratio of Lifetimes for the Decays D0 --> K-pi+, K-K+, and pi-pi+

The BABAR Collaboration, B. Aubert

We present a measurement of - mixing parameters using the ratios of lifetimes extracted from a sample of mesons produced through the process $D^{*+}\to\D^0π^+…

quant-ph2007★ 1 cited

f-oscillators deformation for Moyal algebras

V. I. Man'ko, G. Marmo, E. C. G. Sudarshan +1

Using general construction of star-product the q-deformed Wigner-Weyl-Moyal quantization procedure is elaborated. The q-deformed Groenewold kernel determining the product of quantu…

physics.optics2007★ 297 cited

Hypergeometric-Gaussian Modes

Ebrahim Karimi, Gianluigi Zito, Bruno Piccirillo +2

We studied a novel family of paraxial laser beams forming an overcomplete yet nonorthogonal set of modes. These modes have a singular phase profile and are eigenfunctions of the ph…

cond-mat.str-el2007★ 40 cited

Recombination kinetics of a dense electron-hole plasma in strontium titanate

A. Rubano, D. Paparo, F. Miletto Granozio +2

We investigated the nanosecond-scale time decay of the blue-green light emitted by nominally pure SrTiO following the absorption of an intense picosecond laser pulse generating…

gr-qc2007★ 21 cited

Space-time deformations as extended conformal transformations

S. Capozziello, C. Stornaiolo

A definition of space-time metric deformations on an -dimensional manifold is given. We show that such deformations can be regarded as extended conformal transformations. In par…

quant-ph2007★ 117 cited

Hierarchies of Geometric Entanglement

M. Blasone, F. Dell'Anno, S. De Siena +1

We introduce a class of generalized geometric measures of entanglement. For pure quantum states of elementary subsystems, they are defined as the distances from the sets of …

hep-ex2007★ 9 cited

Measurement of the absolute branching ratios for semileptonic K+/- decays with the KLOE detector

KLOE Collaboration

Using a sample of over 600 million phi->K+K- decays collected at the Dafne e+e- collider, we have measured with the KLOE detector the absolute branching ratios for the charged kaon…

astro-ph2007★ 374 cited

Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei

The Pierre Auger Collaboration

Data collected by the Pierre Auger Observatory provide evidence for anisotropy in the arrival directions of the cosmic rays with the highest energies, which are correlated with the…

astro-ph2007★ 90 cited

Using BBN in cosmological parameter extraction from CMB: a forecast for Planck

Jan Hamann, Julien Lesgourgues, Gianpiero Mangano

Data from future high-precision Cosmic Microwave Background (CMB) measurements will be sensitive to the primordial Helium abundance . At the same time, this parameter can be p…

gr-qc2007★ 298 cited

Solar system and equivalence principle constraints on f(R) gravity by chameleon approach

Salvatore Capozziello, Shinji Tsujikawa

We study constraints on f(R) dark energy models from solar system experiments combined with experiments on the violation of equivalence principle. When the mass of an equivalent sc…

astro-ph2007★ 172 cited

Upper limit on the diffuse flux of UHE tau neutrinos from the Pierre Auger Observatory

The Pierre Auger Collaboration

The surface detector array of the Pierre Auger Observatory is sensitive to Earth-skimming tau-neutrinos that interact in the Earth's crust. Tau leptons from charged-cur…

hep-ex2007★ 4 cited

Measurement of the KS->gg branching ratio using a pure KS beam with the KLOE detector

The KLOE collaboration

We have searched for the decay KS->gg in a sample of 2x10^9 phi->KS KL decays collected at DAPHNE with an integrated luminosity of 1.9 fb^{-1}. KS are tagged by the KL interaction…

physics.optics2007★ 268 cited

Pancharatnam-Berry phase optical elements for wavefront shaping in the visible domain: switchable helical modes generation

L. Marrucci, C. Manzo, D. Paparo

We report the realization of a Pancharatnam-Berry phase optical element [Z. Bomzon, G. Biener, V. Kleiner, and E. Hasman, Opt. Lett. \textbf{27}, 1141 (2002)] for wavefront shaping…

physics.optics2007★ 2.1k cited

Optical spin-to-orbital angular momentum conversion in inhomogeneous anisotropic media

L. Marrucci, C. Manzo, D. Paparo

We demonstrate experimentally an optical process in which the spin angular momentum carried by a circularly polarized light beam is converted into orbital angular momentum, leading…

quant-ph2007★ 5 cited

Fully frustrated Josephson junction ladders with Mobius boundary conditions as topologically protected qubits

Gerardo Cristofano, Vincenzo Marotta, Adele Naddeo +1

We show how to realize a ``protected'' qubit by using a fully frustrated Josephson Junction ladder (JJL) with Mobius boundary conditions. Such a system has been recently studied wi…

cond-mat.supr-con2007★ 5 cited

Integrating Superconductive and Optical Circuits

F. Stella, M. Casalboni, M. Cirillo +5

We have integrated on oxidized silicon wafers superconductive films and Josephson junctions along with sol-gel optical channel waveguides. The fabrication process is carried out in…

quant-ph2007★ 1 cited

Schwinger Representation for the Symmetric Group: Two explicit constructions for the Carrier Space

S. Chaturvedi, G. Marmo, N. Mukunda +1

We give two explicit construction for the carrier space for the Schwinger representation of the group . While the first relies on a class of functions consisting of monomials…

cond-mat.soft2007★ 13 cited

Comment on ``Granular Entropy: Explicit Calculations for Planar Assemblies''

Massimo Pica Ciamarra

A Comment on the Letter by Raphael Blumenfeld and Sam F. Edwards, [Phys. Rev. Lett. 90, 114303 (2003)].