Showing 2003Show all

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cond-mat.str-el2003★ 104 cited

Spinons in the strongly correlated copper oxide chains in SrCuO2

I. A. Zaliznyak, H. Woo, T. G. Perring +3

We have investigated the spin dynamics in the strongly correlated chain copper oxide SrCuO for energies up to eV using inelastic neutron scattering. We observe an…

astro-ph2003★ 1 cited

FUSE Observations of Galactic and Intrinsic Absorption in the Spectrum of the Seyfert 1 Galaxy 2MASX J21362313-6224008

Massimiliano Bonamente, W. Van Dyke Dixon

We present the far-ultraviolet spectrum of the Seyfert 1 galaxy 2MASX J21362313-6224008 obtained with the Far Ultraviolet Spectroscopic Explorer (FUSE). The spectrum features absor…

astro-ph2003★ 327 cited

A Deep, Wide Field, Optical, and Near Infrared Catalog of a Large Area around the Hubble Deep Field North

P. Capak, L. L. Cowie, E. M. Hu +10

We have conducted a deep multi-color imaging survey of 0.2 degrees^2 centered on the Hubble Deep Field North (HDF-N). We shall refer to this region as the Hawaii-HDF-N. Deep data w…

astro-ph2003★ 118 cited

Observations and Theoretical Implications of the Large Separation Lensed Quasar SDSS J1004+4112

M. Oguri, N. Inada, C. R. Keeton +25

We study the recently discovered gravitational lens SDSS J1004+4112, the first quasar lensed by a cluster of galaxies. It consists of four images with a maximum separation of 14.62…

astro-ph2003★ 119 cited

A Study of the Reionization History of Intergalactic Helium with FUSE and VLT

W. Zheng, G. A. Kriss, J. -M. Deharveng +8

We obtained high-resolution VLT and FUSE spectra of the quasar HE2347-4342 to study the properties of the intergalactic medium between redshifts z=2.0-2.9. The high-quality optical…

astro-ph2003★ 28 cited

A Survey of Open Clusters in the u'g'r'i'z' Filter System: I. Results for NGC2548 (M48)

Cristin J. Rider, Douglas L. Tucker, J. Allyn Smith +3

We present initial results of a photometric survey of open star clusters, primarily in the southern hemisphere, taken in the u'g'r'i'z' filter system. While our entire observed sam…

astro-ph2003★ 93 cited

A Catalog of Compact Groups of Galaxies in the SDSS Commissioning Data

B. C. Lee, S. S. Allam, D. L. Tucker +20

Compact groups (CGs) of galaxies -- relatively poor groups of galaxies in which the typical separations between members is of the order of a galaxy diameter -- offer an exceptional…

astro-ph2003★ 93 cited

The 2dF Galaxy Redshift Survey: Wiener Reconstruction of the Cosmic Web

Pirin Erdogdu, Ofer Lahav, Saleem Zaroubi +27

We reconstruct the underlying density field of the 2 degree Field Galaxy Redshift Survey (2dFGRS) for the redshift range 0.035<z<0.200 using the Wiener Filtering method. The Wiener…

astro-ph2003★ 14 cited

ACS Observations of a Strongly Lensed Arc in a Field Elliptical

J. P. Blakeslee, K. C. Zekser, N. Benitez +15

We report the discovery of a strongly lensed arc system around a field elliptical galaxy in Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) images of a parallel fiel…

astro-ph2003★ 210 cited

A Gravitationally Lensed Quasar with Quadruple Images Separated by 14.62 Arcseconds

N. Inada, M. Oguri, B. Pindor +29

Gravitational lensing is a powerful tool for the study of the distribution of dark matter in the Universe. The cold-dark-matter model of the formation of large-scale structures pre…

astro-ph2003★ 18 cited

FUSE observations of G226-29: First detection of the H_2 quasi-molecular satellite at 1150A

N. F. Allard, G. Hébrard, J. Dupuis +4

We present new FUV observations of the pulsating DA white dwarf G226-29 obtained with the Far Ultraviolet Spectroscopic Explorer (FUSE). This ZZ Ceti star is the brightest one of i…

astro-ph2003★ 423 cited

Preparing Red-Green-Blue (RGB) Images from CCD Data

Robert Lupton, Michael R. Blanton, George Fekete +4

We present a new, and we believe arguably correct, algorithm for producing Red-Green-Blue (RBG) composites from 3-band astronomical images. Our method ensures that an object with a…

q-bio.BM2003

Thermal effects in stretching of Go-like models of titin and secondary structures

Marek Cieplak, Trinh Xuan Hoang, Mark O. Robbins

The effect of temperature on mechanical unfolding of proteins is studied using a Go-like model with a realistic contact map and Lennard-Jones contact interactions. The behavior of…

astro-ph2003★ 147 cited

The WSRT wide-field HI survey: II. Local Group features

Robert Braun, David Thilker

We have used the WSRT to carry out an unbiased wide-field survey of HI emission features, achieving an RMS sensitivity of about 18 mJy/Beam at a velocity resolution of 17 km/s over…

astro-ph2003★ 72 cited

The Millennium Galaxy Catalogue: The photometric accuracy, completeness and contamination of the 2dFGRS and SDSS-EDR & DR1 datasets

N. J. G. Cross, S. P. Driver, J. Liske +5

The Millennium Galaxy Catalogue (MGC) is a deep ( mag arcsec), wide field CCD imaging survey, covering 37.5deg and is completely contained within the 2…

quant-ph2003★ 37 cited

Probabilistic Quantum Encoder for Single-Photon Qubits

T. B. Pittman, B. C Jacobs, J. D. Franson

We describe an experiment in which a physical qubit represented by the polarization state of a single-photon was probabilistically encoded in the logical state of two photons. The…

hep-ex2003★ 626 cited

Observation of the Narrow State in Collisions at $\sqrt{s}=1.96 \TeV$

the CDF II Collaboration, D. Acosta, T. Affolder +8

We report the observation of a narrow state decaying into and produced in of collisions at in the CDF II experiment. We o…

astro-ph2003

Tidal Streams and Low Mass Companions of M31

Robert Braun, David Thilker

We have imaged the extended HI environment of M31 with an unprecedented combination of high resolution and sensitivity. We detect a number of distinct High Velocity Cloud component…

cond-mat.soft2003

A quasi-local measure of inter-scale transfer: An approach to understanding turbulence

M. K. Rivera, W. B. Daniel, S. Y. Chen +1

Many questions remain in turbulence research---and related fields---about the underlying physical processes that transfer scalar quantities, such as the kinetic energy, between dif…

hep-ph2003★ 52 cited

Comment on extracting alpha from B -> rho rho

Adam F. Falk, Zoltan Ligeti, Yosef Nir +1

Recent experimental results on decays indicate that the CP asymmetry will give an interesting determination of . I…

astro-ph2003★ 59 cited

Physical Conditions in the Narrow-Line Region of M51

L. D. Bradley, M. E. Kaiser, W. A. Baan

We have investigated the physical conditions in the narrow-line region (NLR) of M51 using long-slit spectra obtained with the Space Telescope Imaging Spectrograph (STIS) aboard the…

physics.ins-det2003★ 13 cited

Position Dependence of Charge Collection in Prototype Sensors for the CMS Pixel Detector

T. Rohe, D. Bortoletto, V. Chiochia +10

This paper reports on the sensor R&D activity for the CMS pixel detector. Devices featuring several design and technology options have been irradiated up to a proton fluencec of 1E…

nucl-ex2003★ 241 cited

Nuclear Stopping in Au+Au Collisions at sqrt(sNN) = 200 GeV

BRAHMS Collaboration

Transverse momentum spectra and rapidity densities, dN/dy, of protons, anti-protons, and net--protons (p-pbar) from central (0-5%) Au+Au collisions at sqrt(sNN) = 200 GeV were meas…

hep-th2003★ 21 cited

Radion effective theory in the detuned Randall-Sundrum model

Jonathan Bagger, Michele Redi

We compute the two-derivative low-energy effective action for the radion in the (supersymmetric) Randall-Sundrum scenario with detuned brane tensions. At the classical level, a pot…