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Showing 2007Show all

32 papers · 1 filter

hep-ex2007★ 239 cited

First measurement of the forward-backward charge asymmetry in top quark pair production

D0 Collaboration, V. M. Abazov

We present the first measurement of the integrated forward-backward charge asymmetry in top-antitop quark pair (ttbar) production in proton-antiproton collisions in the lepton plus…

cs.AI2007★ 2 cited

Evolving localizations in reaction-diffusion cellular automata

Andrew Adamatzky, Larry Bull, Pierre Collet +1

We consider hexagonal cellular automata with immediate cell neighbourhood and three cell-states. Every cell calculates its next state depending on the integral representation of st…

hep-ex2007★ 37 cited

Search for ZZ and Zγ^* production in p-barp collisions at sqrt(s) = 1.96 TeV and limits on anomalous ZZZ and ZZγ^* couplings

D0 Collaboration, V. Abazov

We present a study of four muon, four electron, and two muon two electron events using 1 fb^(-1) of data collected with the D0 detector at the Fermilab Tevatron p-barp Collider at…

hep-ex2007★ 125 cited

Search for squarks and gluinos in events with jets and missing transverse energy using 2.1 fb-1 of ppbar collision data at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

A data sample corresponding to an integrated luminosity of 2.1 fb-1 collected by the D0 detector at the Fermilab Tevatron Collider was analyzed to search for squarks and gluinos pr…

hep-ex2007★ 32 cited

Measurement of the B0_s semileptonic branching ratio to an orbitally excited D_s** state, Br(B0_s -> Ds1(2536) mu nu)

D0 Collaboration, V. Abazov

In a data sample of approximately 1.3 fb-1 collected with the D0 detector between 2002 and 2006, the orbitally excited charm state D_s1(2536) has been observed with a measured mass…

nucl-th2007★ 201 cited

A new effective interaction for shell model calculations in the sdpf valence space

F. Nowacki, A. Poves

The neutron rich isotopes with Z<20, in particular those with neutron numbers around N=28,have been at the focus of a lot experimental and theoretical scrutiny during the last few…

math.GT2007★ 21 cited

Symplectic Jacobi diagrams and the Lie algebra of homology cylinders

Kazuo Habiro, Gwenael Massuyeau

Let S be a compact connected oriented surface, whose boundary is connected or empty. A homology cylinder over the surface S is a cobordism between S and itself, homologically equiv…

hep-ex2007★ 17 cited

Search for sneutrino particles in e + mu final states in ppbar collisions at sqrt{s} =1.96 TeV

D0 Collaboration, V. M Abazov

We report a search for R-parity violating production and decay of sneutrino particles in the e+mu final state with 1.04+-0.06 fb-1 of data collected with the D0 detector at the Fer…

hep-ex2007★ 34 cited

Search for Supersymmetry in Di-Photon Final States at sqrt{s} = 1.96 TeV

V. M. Abazov

We report results of a search for supersymmetry (SUSY) with gauge-mediated symmetry breaking in di-photon events collected by the D0 experiment at the Fermilab Tevatron Collider in…

hep-ex2007★ 25 cited

Search for Randall-Sundrum gravitons with 1 fb-1 of data from ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

Using 1 fb-1 of data from ppbar collisions at sqrt(s)=1.96 TeV at the Fermilab Tevatron collider collected by the D0 detector, we search for decays of Kaluza-Klein excitations of t…

cond-mat.mes-hall2007★ 142 cited

Autoresonant control of the many-electron dynamics in nonparabolic quantum wells

G. Manfredi, P. -A. Hervieux

The optical response of nonparabolic quantum wells is dominated by a strong peak at the plasmon frequency. When the electrons reach the anharmonic regions, resonant absorption beco…

astro-ph2007★ 89 cited

The XMM-Newton Serendipitous Survey V. Optical identification of the XMM-Newton Medium sensitivity Survey (XMS)

X. Barcons, F. J. Carrera, M. T. Ceballos +53

We present the XMM-Newton Medium sensitivity Survey (XMS), including a total of 318 X-ray sources found among the serendipitous content of 25 XMM-Newton target fields. The XMS comp…

math.NT2007★ 24 cited

On two notions of complexity of algebraic numbers

Yann Bugeaud, Jan-Hendrik Evertse

we derive new, improved lower bounds for the block complexity of an irrational algebraic number and for the number of digit changes in the b-ary expansion of an irrational algebrai…

math.AG2007★ 1 cited

On the uniformity of the Iitaka fibration

Gianluca Pacienza

We study pluricanonical systems on smooth projective varieties of positive Kodaira dimension, following the approach of Hacon-McKernan, Takayama and Tsuji succesfully used in the c…

cond-mat.stat-mech2007★ 34 cited

Trotter Derivation of Algorithms for Brownian and Dissipative Particle Dynamics

Fabrice Thalmann, Jean Farago

This paper focuses on the temporal discretization of the Langevin dynamics, and on different resulting numerical integration schemes. Using a method based on the exponentiation of…

nucl-th2007★ 329 cited

The influence of pairing on the nuclear matrix elements of the neutrinoless double beta decays

E. Caurier, J. Menendez, F. Nowacki +1

We study in this letter the behavior of the neutrinoless double beta decay nuclear matrix elements (NME's) in the framework of the Interacting Shell Model. We analize them in terms…

nucl-th2007★ 70 cited

Nuclear Structure Aspects of the Neutrinoless Double Beta Decay

E. Caurier, F. Nowacki, A. Poves

In this article, we analyze some nuclear structure aspects of the neutrinoless double beta decay nuclear matrix elements (NME), in the framework of the Interacting Shell Model. We…

hep-ex2007★ 33 cited

Search for Bs --> mu+ mu- at D0

D0 Collaboration, V. Abazov

We report results from a search for the decay Bs --> mu+ mu- using 1.3/fb of pbar p collisions at sqrt(s)= 1.96 TeV collected by the D0 experiment at the Fermilab Tevatron Collider…

q-bio.PE2007★ 117 cited

Increased peripheral lipid clearance in an animal model of amyotrophic lateral sclerosis

A. Fergani, H. Oudart, J. -L. Gonzalez De Aguilar +6

Amyotrophic lateral sclerosis (ALS) is the most common adult motor neuron disease, causing motor neuron degeneration, muscle atrophy, paralysis, and death. Despite this degenerativ…

hep-ex2007★ 19 cited

Search for the lightest scalar top quark in events with two leptons in p-pbar collisions at sqrt(s) = 1.96 TeV

D0 Collaboration, V. Abazov

Data collected by the D0 detector at a p-pbar center-of-mass energy of 1.96 TeV at the Fermilab Tevatron Collider have been used to search for pair production of the lightest super…

astro-ph2007

Black Hole Motion as Catalyst of Orbital Resonances

C. M. Boily, T. Padmanabhan, A. Paiement

The motion of a black hole about the centre of gravity of its host galaxy induces a strong response from the surrounding stellar population. We treat the case of a harmonic potenti…

cond-mat.soft2007★ 85 cited

Granular Rayleigh-Taylor Instability: Experiments and Simulations

Jan Ludvig Vinningland, Oistein Johnsen, Eirik G. Flekkoy +2

A granular instability driven by gravity is studied experimentally and numerically. The instability arises as grains fall in a closed Hele-Shaw cell where a layer of dense granular…

hep-ex2007★ 24 cited

Zgamma production and limits on anomalous ZZgamma and Zgammagamma couplings in ppbar collisions at sqrt(s) = 1.96 TeV

D0 Collaboration, V. Abazov

We present a study of eegamma and mumugamma events using 1109 (1009) pb-1 of data in the electron (muon) channel, respectively. These data were collected with the D0 detector at th…

astro-ph2007

Millimeter dust continuum emission unveiling the true mass of giant molecular clouds in the Small Magellanic Cloud

C. Bot, F. Boulanger, M. Rubio +1

CO observations have been so far the best way to trace molecular gas in external galaxies, but at low metallicity the gas mass deduced could be largely underestimated. At present,…