Showing 2006Show all

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physics.optics2006★ 18 cited

High-sensitivity time-resolved intracavity laser Fourier transform spectroscopy with vertical cavity surface emitting multiple quantum well lasers

Nathalie Picqué, Guy Guelachvili, Alexander A. Kachanov

Spectra comprised of hundreds of time-components for absorption path lengths up to 130 km have been recorded around 1050 nm by combining two recent techniques, intracavity laser sp…

math.NT2006

A note on univoque self-Sturmian numbers

Jean-Paul Allouche

We compare two sets of (infinite) binary sequences whose suffixes satisfy extremal conditions: one occurs when studying iterations of a unimodal continuous map from the unit interv…

astro-ph2006

Physics Results of the Pierre Auger Observatory

V. Van Elewyck

The Southern Pierre Auger Observatory is now nearing completion and the accumulating data sample has already allowed to extract scientific results of relevance for ultra-high energ…

hep-th2006★ 170 cited

Vanishing of Beta Function of Non Commutative Theory to all orders

M. Disertori, R. Gurau, J. Magnen +1

The simplest non commutative renormalizable field theory, the model on four dimensional Moyal space with harmonic potential is asymptotically safe up to three loops, as shown…

physics.chem-ph2006★ 23 cited

N_2O weak lines observed between 3900 and 4050 cm^-1 from long path absorption spectra

Hervé Herbin, Nathalie Picqué, Guy Guelachvili +2

Previously unobserved nitrous oxide transitions around 2.5 m are measured by intracavity laser absorption spectroscopy (ICLAS) analyzed by time-resolved Fourier transform (TRFT)…

cond-mat.stat-mech2006★ 18 cited

New Monte Carlo method for planar Poisson-Voronoi cells

H. J. Hilhorst

By a new Monte Carlo algorithm we evaluate the sidedness probability p_n of a planar Poisson-Voronoi cell in the range 3 \leq n \leq 1600. The algorithm is developed on the basis o…

q-bio.PE2006

New structural variation in evolutionary searches of RNA neutral networks

Sumedha, Olivier C Martin, Andreas Wagner

RNA secondary structure is an important computational model to understand how genetic variation maps into phenotypic (structural) variation. Evolutionary innovation in RNA structur…

hep-ex2006★ 16 cited

Measurement of the ppbar to ttbar production cross section at sqrt(s)=1.96 TeV in the fully hadronic decay channel

D0 Collaboration, V. Abazov

A measurement of the top quark pair production cross section in proton anti-proton collisions at an interaction energy of sqrt(s)=1.96 TeV is presented. This analysis uses 405 pb-1…

cond-mat.other2006★ 2 cited

Charge density wave in graphene: magnetic-field-induced Peierls instability

Jean-Noël Fuchs, Pascal Lederer

We suggest that a magnetic-field-induced Peierls instability accounts for the recent experiment of Zhang et al. in which unexpected quantum Hall plateaus were observed at high magn…

cond-mat.mtrl-sci2006★ 4 cited

Magnetic resonance spectroscopy of perpendicularly magnetized permalloy multilayer disks

G. De Loubens, V. V. Naletov, Michel Viret +5

Using a Magnetic Resonance Force Microscope, we compare the ferromagnetic resonance spectra of individual micron-size disks with identical diameter, 1 m, but different layer str…

cond-mat.mes-hall2006★ 103 cited

Proximity Induced Superconductivity and Multiple Andreev Reflections in Few-Layer-Graphene

A. Shailos, W. Nativel, A. Kasumov +5

We have investigated electronic transport of few-layer-graphene (FLG) connected to superconducting electrodes. The device is prepared by mechanical exfoliation of graphite. A small…

hep-ex2006★ 66 cited

Measurement of the B0 --> pi l nu Form-Factor Shape and Branching Fraction, and Determination of |Vub| with a Loose Neutrino Reconstruction Technique

B. Aubert et al.

We report the results of a study of the exclusive charmless semileptonic decay, B --> pi l nu, undertaken with approximately 227 million BBbar pairs collected at the Upsilon(4S) re…

hep-ex2006★ 13 cited

Search for techniparticles in e +jets events at D0

D0 Collaboration, V. Abazov

We search for the technicolor process ppbar -> rho_T/omega_T ->W+pi_T in events containing one electron and two jets, in data corresponding to an integrated luminosity of 390 pb-1,…

nucl-ex2006★ 41 cited

Precision Measurement of the Decay Rate of 7Be in Host Materials

Y. Nir-El, G. Haquin, Z. Yungreiss +14

A controlled and precise determination of the cross-sections of the fusion reactions 7Be(p,gamma)8B and 3He(4He,gamma)7Be, which play an important role in determining the solar neu…

quant-ph2006★ 69 cited

Decoherence vs entanglement in coined quantum walks

Olivier Maloyer, Viv Kendon

Quantum versions of random walks on the line and cycle show a quadratic improvement in their spreading rate and mixing times respectively. The addition of decoherence to the quantu…

quant-ph2006★ 15 cited

Bell-type inequalities for cold heteronuclear molecules

Perola Milman, Arne Keller, Eric Charron +1

We introduce Bell-type inequalities allowing for non-locality and entanglement tests with two cold heteronuclear molecules. The proposed inequalities are based on correlations betw…

physics.atom-ph2006★ 17 cited

Dynamical interferences to probe short-pulse photoassociation of Rb atoms and stabilization of Rb_2 dimers

Jordi Mur-Petit, Eliane Luc-Koenig, Françoise Masnou-Seeuws

We analyze the formation of Rb_2 molecules with short photoassociation pulses applied to a cold Rb-85 sample. A pump laser pulse couples a continuum level of the ground electronic…

physics.chem-ph2006★ 18 cited

Acetylene weak bands at 2.5 m from intracavity Cr2+:ZnSe laser absorption observed with time-resolved Fourier transform spectroscopy

Véronique Girard, Robert Farrenq, Evgeni Sorokin +3

The spectral dynamics of a mid-infrared multimode Cr^2+:ZnSe laser located in a vacuum sealed chamber containing acetylene at low pressure is analyzed by a stepping-mode high-resol…

nucl-th2006★ 40 cited

Pairing interactions and the vanishing pairing correlations in hot nuclei

E. Khan, Nguyen Van Giai, N. Sandulescu

Finite temperature Hartree-Fock-Bogoliubov calculations are performed in Sn isotopes using Skyrme and zero-range, density-dependent pairing interactions. For both stable and very n…

nucl-th2006★ 68 cited

How does transverse (hydrodynamic) flow affect jet-broadening and jet-quenching ?

R. Baier, A. H. Mueller, D. Schiff

We give the modification of formulas for -broadening and energy loss which are necessary to calculate parton interactions in a medium with flow. Arguments are presented…

hep-ph2006★ 22 cited

Chiral behavior of the B(s,d)-Bbar(s,d) mixing amplitude in the Standard Model and beyond

Damir Becirevic, Svjetlana Fajfer, Jernej Kamenik

We compute the chiral logarithmic corrections to the Bd and Bs mixing amplitudes in the Standard Model and beyond. We then investigate the impact of the inclusion of the lowest-lyi…

hep-ph2006★ 47 cited

An estimate of the B-->K*gamma form factor

Damir Becirevic, Vittorio Lubicz, Federico Mescia

We present the results of a lattice QCD calculation of the form factor relevant to B-->K*gamma decay. Our final value, T(0) = 0.24 +/- 0.03(+0.04/-0.01), is obtained in the quenche…

hep-ex2006★ 11 cited

Evidence for B0->rho0rho0 Decay and Implications for the CKM Angle alpha

The BABAR Collaboration, B. Aubert

We search for the decays B0->rho0rho0, B0->rho0f0, and B0->f0f0 in a sample of about 384 million Upsilon(4S)->BBbar decays collected with the BABAR detector at the PEP-II asymmetri…

hep-ex2006★ 28 cited

Branching Fraction Measurements of B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma

The BABAR Collaboration, B. Aubert

We present a study of the decays B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma. The analysis is based on data containing 347 million BBbar events recorded with the BaBa…