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341 papers · 1 filter

astro-ph.SR2009★ 64 cited

WIYN Open Cluster Study. XXXVIII. Stellar Radial Velocities in the Young Open Cluster M35 (NGC 2168)

Aaron M. Geller, Robert D. Mathieu, Ella K. Braden +3

We present 5201 radial-velocity measurements of 1144 stars, as part of an ongoing study of the young (150 Myr) open cluster M35 (NGC 2168). We have observed M35 since 1997, using t…

astro-ph.CO2009★ 46 cited

Star formation and dust extinction properties of local galaxies from AKARI-GALEX All-Sky Surveys: First results from most secure multiband sample from FUV to FIR

T. T. Takeuchi, V. Buat, S. Heinis +5

The AKARI All-Sky Survey provided the first bright point source catalog detected at 90um. Starting from this catalog, we selected galaxies by matching AKARI sources with those in t…

cond-mat.str-el2009★ 73 cited

Successive phase transitions and phase diagrams of the quasi-two-dimensional triangular antiferromagnet Rb4Mn(MoO4)3

Rieko Ishii, Shu Tanaka, Keisuke Onuma +9

Comprehensive experimental studies by magnetic, thermal and neutron measurements have clarified that Rb4Mn(MoO4)3 is a model system of a quasi-2D triangular Heisenberg antiferromag…

astro-ph.CO2009★ 84 cited

Morphologies of local Lyman break galaxy analogs II: A Comparison with galaxies at z=2-4 in ACS and WFC3 images of the Hubble Ultra Deep Field

R. A. Overzier, T. M. Heckman, D. Schiminovich +4

Lyman break galaxies (LBGs) display a range in structures (from single/compact to clumpy/extended) that is different from typical local star-forming galaxies. Recently, we have int…

hep-ex2009★ 12 cited

Search for New Physics with a Dijet plus Missing Transverse Energy Signature in p-pbar Collisions at sqrt(s) = 1.96 TeV

T. Aaltonen

We present results of a signature-based search for new physics using a dijet plus missing transverse energy data sample collected in 2 fb-1 of p-pbar collisions at sqrt(s) = 1.96 T…

hep-ex2009★ 75 cited

Measurement of the Production Cross Section and Search for Anomalous and Couplings in Collisions at TeV

The CDF Collaboration, T. Aaltonen

This Letter describes the current most precise measurement of the boson pair production cross section and most sensitive test of anomalous and couplings in $p \bar…

astro-ph.CO2009★ 25 cited

Galaxy Evolution in Local Group Analogs. I. A GALEX study of nearby groups

A. Marino, L. Bianchi, R. Rampazzo +2

Understanding the astrophysical processes acting within galaxy groups and their effects on the evolution of the galaxy population is one of the crucial topic of modern cosmology, a…

astro-ph.CO2009★ 179 cited

A wide-field HI mosaic of Messier 31. II.The disk warp, rotation and the dark matter halo

Edvige Corbelli, Silvio Lorenzoni, René A. M. Walterbos +2

We test cosmological models of structure formation using the rotation curve of the nearest spiral galaxy, M31, determined using a recent deep, full-disk 21-cm imaging survey smooth…

hep-ex2009★ 29 cited

Measurement of the Lambda_b Lifetime in Lambda_b -> Lambda_c+ pi- Decays in p-pbar Collisions at sqrt(s) = 1.96 TeV

The CDF Collaboration, T. Aaltonen

We report a measurement of the lifetime of the Lambda_b baryon in decays to the Lambda_C+ pi- final state in a sample corresponding to 1.1 fb^-1 collected in p-pbar collisions at s…

astro-ph.SR2009★ 128 cited

Scale-Locality of Magnetohydrodynamic Turbulence

Hussein Aluie, Gregory L. Eyink

We investigate the scale-locality of cascades of conserved invariants at high kinetic and magnetic Reynolds numbers in the ``inertial-inductive range'' of magnetohydrodynamic (MHD)…

physics.flu-dyn2009★ 46 cited

Lagrangian Refined Kolmogorov Similarity Hypothesis for Gradient Time-evolution in Turbulent Flows

Huidan Yu, Charles Meneveau

We study the time evolution of velocity and pressure gradients in isotropic turbulence, by quantifying their decorrelation time scales as one follows fluid particles in the flow. T…

physics.flu-dyn2009

Scaling of conditional Lagrangian time correlation functions of velocity and pressure gradient magnitudes in isotropic turbulence

Huidan Yu, Charles Meneveau

We study Lagrangian statistics of the magnitudes of velocity and pressure gradients in isotropic turbulence by quantifying their correlation functions and their characteristic time…

astro-ph.CO2009★ 1 cited

The Cosmically Depressed: Life, Sociology and Identity of Voids

Rien van de Weygaert, Erwin Platen, Esra Tigrak +5

We review and discuss aspects of Cosmic Voids that form the background for our Void Galaxy Survey (see accompanying paper by Stanonik et al.). Following a sketch of the general cha…

hep-ex2009★ 28 cited

A study of the associated production of photons and b-quark jets in p-pbar collisions at sqrt{s} = 1.96 TeV

CDF collaboration

The cross section for photon production in association with at least one jet containing a -quark hadron has been measured in proton antiproton collisions at TeV.…

astro-ph.IM2009★ 9 cited

Geometry and Morphology of the Cosmic Web: Analyzing Spatial Patterns in the Universe

Rien van de Weygaert, Miguel A. Aragon-Calvo, Bernard J. T. Jones +1

We review the analysis of the Cosmic Web by means of an extensive toolset based on the use of Delaunay and Voronoi tessellations. The Cosmic Web is the salient and pervasive foamli…

astro-ph.CO2009★ 102 cited

Probing star formation across cosmic time with absorption line systems

Brice Ménard, Vivienne Wild, Daniel Nestor +2

We present an empirical connection between cold gas in galactic halos and star formation. Using a sample of more than 8,500 MgII absorbers from SDSS quasar spectra, we report the d…

hep-ex2009★ 81 cited

A Search for B+ -> tau+ nu Recoiling Against B- -> D0 l- nu X

The BABAR Collaboration, B. Aubert

We present a search for the decay () in pairs recorded with the BABAR detector at the PEP-II B-Facto…

astro-ph.GA2009

How galaxies form: Mass assembly from chemical abundances in the era of large surveys

Rosemary F. G. Wyse

The chemical abundances in the atmosphere of a star provide unique information about the gas from which that star formed, and, modulo processes that are not important for the vast…

q-bio.QM2009★ 504 cited

Fast non-negative deconvolution for spike train inference from population calcium imaging

Joshua T. Vogelstein, Adam M. Packer, Tim A. Machado +4

Calcium imaging for observing spiking activity from large populations of neurons are quickly gaining popularity. While the raw data are fluorescence movies, the underlying spike tr…

astro-ph.CO2009★ 424 cited

The GALEX Arecibo SDSS Survey. I. Gas Fraction Scaling Relations of Massive Galaxies and First Data Release

Barbara Catinella, David Schiminovich, Guinevere Kauffmann +23

We introduce the GALEX Arecibo SDSS Survey (GASS), an on-going large program that is gathering high quality HI-line spectra using the Arecibo radio telescope for an unbiased sample…

q-bio.PE2009★ 867 cited

Accumulation of driver and passenger mutations during tumor progression

Ivana Bozic, Tibor Antal, Hisashi Ohtsuki +7

Major efforts to sequence cancer genomes are now occurring throughout the world. Though the emerging data from these studies are illuminating, their reconciliation with epidemiolog…

astro-ph.CO2009★ 3 cited

Environmental Effects in the Evolution of Galactic Bulges

Lauren A. MacArthur, Richard S. Ellis, Tommaso Treu +1

We investigate possible environmental trends in the evolution of galactic bulges over the redshift range 0<z<0.6. For this purpose, we construct the Fundamental Plane (FP) for clus…

q-bio.QM2009

Computing spatial information from Fourier coefficient distributions

William F. Heinz, Jeffrey L. Werbin, Eaton Lattman +1

We present an approach to computing spatial information based on Fourier coefficient distributions. The Fourier transform (FT) of an image contains a complete description of the im…

astro-ph.SR2009★ 25 cited

Variable Point Sources in Sloan Digital Sky Survey Stripe 82. I. Project Description and Initial Catalog (0 h < R.A. < 4 h)

Waqas A. Bhatti, Michael W. Richmond, Holland C. Ford +1

We report the first results of a study of variable point sources identified using multi-color time-series photometry from Sloan Digital Sky Survey (SDSS) Stripe 82 over a span of n…