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Showing 2007Show all

473 papers · 1 filter

nucl-ex2007★ 44 cited

Source breakup dynamics in Au+Au Collisions at sqrt(s_NN)=200 GeV via three-dimensional two-pion source imaging

PHENIX Collaboration, S. Afanasiev

A three-dimensional (3D) correlation function obtained from mid-rapidity, low pT pion pairs in central Au+Au collisions at sqrt(s_NN)=200 GeV is studied. The extracted model-indepe…

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…

astro-ph2007★ 51 cited

Testing power-law cosmology with galaxy clusters

Zong-Hong Zhu, Ming Hu, J. S. Alcaniz +1

Power-law cosmologies, in which the cosmological scale factor evolves as a power law in the age, with $α\ga 1$, regardless of the matter content or cosmological epo…

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…

math.NA2007★ 40 cited

Probabilistic analysis of the upwind scheme for transport

Francois Delarue, Frédéric Lagoutière

We provide a probabilistic analysis of the upwind scheme for multi-dimensional transport equations. We associate a Markov chain with the numerical scheme and then obtain a backward…

cond-mat.mtrl-sci2007★ 80 cited

Manifestation of geometric frustration on magnetic and thermodynamic properties of pyrochlores (X=Ti, Zr)

Surjeet Singh, Surajit Saha, S. K. Dhar +3

We present here magnetization, specific heat and Raman studies on single-crystalline specimens of the first pyrochlore member of the rare-earth titanate series. Its a…

math.ST2007

Model selection for quantum homodyne tomography

Jonas Kahn

This paper deals with a non-parametric problem coming from physics, namely quantum tomography. That consists in determining the quantum state of a mode of light through a homodyne…

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^+…

cond-mat.stat-mech2007★ 21 cited

Anyons and lowest Landau level Anyons

Stephane Ouvry

A review on the Anyon model and the lowest Landau level Anyon model is presented.

physics.flu-dyn2007★ 34 cited

Energy decay laws in strongly anisotropic MHD turbulence

Barbara Bigot, Sebastien Galtier, Helene Politano

We investigate the influence of a uniform magnetic field on energy decay laws in incompressible magnetohydrodynamic (MHD) turbulence. The nonlinear transfer red…

math.NT2007★ 93 cited

Brauer-Manin obstruction for integral points of homogeneous spaces and representation by integral quadratic forms

Jean-Louis Colliot-Thélène, Fei Xu

An integer may be represented by a quadratic form over each ring of p-adic integers and over the reals without being represented by this quadratic form over the integers. More gene…

math-ph2007★ 29 cited

LERW as an example of off-critical SLEs

Michel Bauer, Denis Bernard, Kalle Kytola

Two dimensional loop erased random walk (LERW) is a random curve, whose continuum limit is known to be a Schramm-Loewner evolution (SLE) with parameter kappa=2. In this article we…

cond-mat.dis-nn2007★ 7 cited

Answer to Comment on "Ultrametricity in the Edwards-Anderson Model" arXiv:0709.0894

Pierluigi Contucci, Cristian Giardinà, Claudio Giberti +2

This reply shows that the argument presented in the comment by Jorg and Krzakala (cond mat 0709.0894) cannot be used to weaken the results presented in our paper on ultrametricity…

hep-ex2007★ 41 cited

Model-independent measurement of the W boson helicity in top quark decays

D0 Collaboration, V. M. Abazov

We present the first model-independent measurement of the helicity of bosons produced in top quark decays, based on a 1 fb sample of candidate events in the d…

hep-ex2007★ 17 cited

Study of B0 --> l+l'- decays (l,l' = e,mu)

The BaBar Collaboration, B. Aubert

We present a search for the decays B0 --> e+e-, B0 --> mu+ mu- and B0 --> e mu using data collected with the BABAR detector at the PEP-II e+e-collider at SLAC. Using a dataset corr…

cond-mat.mes-hall2007★ 46 cited

Many-Body Physics and Quantum Chaos

Denis Ullmo

Experimental progresses in the miniaturisation of electronic devices have made routinely available in the laboratory small electronic systems, on the micron or sub-micron scale, wh…

astro-ph2007★ 84 cited

Estimating the total infrared luminosity of galaxies up to z~2 from mid- and far-infrared observations

N. Bavouzet, H. Dole, E. Le Floc'h +3

We present the observed correlations between rest-frame 8, 24, 70 and 160 um monochromatic luminosities and measured total infrared luminosities L_IR of galaxies detected by Spitze…

cond-mat.mes-hall2007★ 187 cited

Remarks on the tight-binding model of graphene

Cristina Bena, Gilles Montambaux

We address a simple but fundamental issue arising in the study of graphene, as well as of other systems that have a crystalline structure with more than one atom per unit cell. For…

hep-ex2007★ 18 cited

A combined search for the standard model Higgs boson at sqrt{s}=1.96 TeV

D0 Collaboration, V. M. Abazov

We present new results of the search for WH to lepton neutrino b b production in ppbar collisions at a center of mass energy of sqrt{s}=1.96 TeV, based on a dataset with integrated…

cond-mat.mtrl-sci2007★ 18 cited

Microwave excitations associated with a wavy angular dependence of the spin transfer torque : model and experiments

O. Boulle, V. Cros, J. Grollier +6

The spin transfer torque (STT) can lead to steady precession of magnetization without any external applied field in magnetic spin valve where the magnetic layer have very different…

hep-th2007★ 13 cited

The Robustness of n_s < 0.95 in Racetrack Inflation

Ph. Brax, Stephen C. Davis, M. Postma

A spectral index n_s < 0.95 appears to be a generic prediction of racetrack inflation models. Reducing a general racetrack model to a single-field inflation model with a simple pot…

cond-mat.mes-hall2007★ 11 cited

Residual Coulomb interaction fluctuations in chaotic systems: the boundary, random plane waves, and semiclassical theory

Steven Tomsovic, Denis Ullmo, Arnd Baecker

New fluctuation properties arise in problems where both spatial integration and energy summation are necessary ingredients. The quintessential example is given by the short-range a…

cond-mat.mtrl-sci2007★ 31 cited

Electron energy loss spectroscopy determination of Ti oxidation state at the (001) LaAlO3/SrTiO3 interface as a function of LaAlO3 growth conditions

Jean-Luc Maurice, Gervasi Herranz, Christian Colliex +10

At the (001) interface between the two band-insulators LaAlO3 and SrTiO3, a high-mobility electron gas may appear, which has been the object of numerous works over the last four ye…