Showing 2005Show all

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hep-ex2005★ 133 cited

Measurement of the Dipion Mass Spectrum in X(3872) -> J/Psi Pi+ Pi- Decays

A. Abulencia, D. Acosta, J. Adelman

We measure the dipion mass spectrum in X(3872)--> J/Psi Pi+ Pi- decays using 360 pb-1 of pbar-p collisions at 1.96 TeV collected with the CDF II detector. The spectrum is fit with…

hep-ex2005★ 11 cited

A Search for Scalar Bottom Quarks from Gluino Decays in Collisions at TeV

CDF collaboration

We searched for scalar bottom quarks in 156 pb of {\bf } collisions at {\bf } TeV recorded by the CDF II experiment at the Tevatron. Scalar bottom q…

hep-ex2005★ 56 cited

Measurement of the Inclusive Jet Cross Section using the Kt algorithm in pp-bar Collisions at sqrt(s) = 1.96 TeV

The CDF Collaboration

We report on a measurement of the inclusive jet production cross section in pp-bar collisions at sqrt{s} = 1.96 TeV using data collected with the upgraded Collider Detector at Ferm…

astro-ph2005★ 37 cited

Ultraviolet-Bright, High-Redshift ULIRGS

James W. Colbert, Harry Teplitz, Paul Francis +3

We present Spitzer Space Telescope observations of the z=2.38 lya-emitter over-density associated with galaxy cluster J2143-4423, the largest known structure (110 Mpc) above z=2. W…

astro-ph2005★ 10 cited

Chandra X-ray Observations of Galaxies in an Off-Center Region of the Coma Cluster

A. E. Hornschemeier, B. Mobasher, D. M. Alexander +4

We have performed a pilot Chandra survey of an off-center region of the Coma cluster to explore the X-ray properties and Luminosity Function of normal galaxies. We present results…

hep-ex2005★ 40 cited

Search for Second-Generation Scalar Leptoquarks in Collisions at =1.96 TeV

CDF Collaboration

Results on a search for pair production of second generation scalar leptoquark in collisions at =1.96 TeV are reported. The data analyzed were collected by th…

astro-ph2005★ 93 cited

A FUSE survey of high-latitude Galactic molecular hydrogen

B. P. Wakker

Measurements of molecular hydrogen (H_2) column densities are presented for the first six rotational levels (J=0 to 5) for 73 extragalactic targets observed with FUSE. All of these…

astro-ph2005★ 4 cited

Swift and XMM observations of the dark GRB 050326

A. Moretti, A. De Luca, D. Malesani +30

We present Swift and XMM observations of GRB 050326, detected by Swift-BAT. The fluence was 7.7x10^-6 erg cm^-2 (20-150 keV), and its spectrum was hard, with a power law photon ind…

astro-ph2005★ 339 cited

Magnetically Driven Jets in the Kerr Metric

John F. Hawley, Julian H. Krolik

We compute a series of three-dimensional general relativistic magnetohydrodynamic simulations of accretion flows in the Kerr metric to investigate the properties of the unbound out…

astro-ph2005★ 27 cited

Study of Fe K-alpha lines in Non-magnetic Cataclysmic Variables using Chandra HEG data

V. R. Rana, K. P. Singh, E. M. Schlegel +1

Results from a study of Fe K-alpha emission lines for a sample of six non-magnetic Cataclysmic Variables (CVs) using the high resolution X-ray data from the Chandra High Energy Tra…

astro-ph2005★ 203 cited

On the Collapsar Model of Long Gamma-Ray Bursts: Constraints from Cosmic Metallicity Evolution

N. Langer, C. A. Norman

We explore the consequences of new observational and theoretical evidence that long gamma-ray bursts prefer low metallicity environments. Using recently derived mass-metallicity co…

nlin.CD2005★ 23 cited

A Turbulent Constitutive Law for the Two-Dimensional Inverse Energy Cascade

Gregory L. Eyink

We develop a fundamental approach to a turbulent constitutive law for the 2D inverse cascade, based upon a convergent multi-scale gradient (MSG) expansion. To first order in gradie…

nlin.CD2005★ 74 cited

Multi-Scale Gradient Expansion of the Turbulent Stress Tensor

Gregory L. Eyink

We develop an expansion of the turbulent stress tensor into a double series of contributions from different scales of motion and different orders of space-derivatives of velocity,…

astro-ph2005★ 43 cited

SDSS J0806+2006 and SDSS J1353+1138: Two New Gravitationally Lensed Quasars from the Sloan Digital Sky Survey

Naohisa Inada, Masamune Oguri, Robert H. Becker +18

We report the discoveries of two, two-image gravitationally lensed quasars selected from the Sloan Digital Sky Survey: SDSS J0806+2006 at z_s=1.540 and SDSS J1353+1138 at z_s=1.629…

hep-ph2005★ 233 cited

Supersymmetry Parameter Analysis: SPA Convention and Project

J. A. Aguilar-Saavedra, A. Ali, B. C. Allanach +122

High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is…

astro-ph2005★ 85 cited

Spitzer Number Counts of AGN in the GOODS fields

Ezequiel Treister, C. Megan Urry, Jeffrey Van Duyne +7

We present mid-infrared observations of AGN in the GOODS fields, performed with the Spitzer Space Telescope. These are the deepest infrared and X-ray fields to date and cover a tot…

physics.ins-det2005★ 2 cited

Simulation and hit reconstruction of irradiated pixel sensors for the CMS experiment

E. Alagoz, V. Chiochia, M. Swartz

In this paper a detailed simulation of irradiated pixel sensors was used to investigate the effects of radiation damage on the position determination and optimize the hit reconstru…

astro-ph2005★ 463 cited

A Survey of z>5.7 Quasars in the Sloan Digital Sky Survey IV: Discovery of Seven Additional Quasars

Xiaohui Fan, Michael A. Strauss, Gordon T. Richards +27

We present the discovery of seven quasars at z>5.7, selected from ~2000 deg^2 of multicolor imaging data of the Sloan Digital Sky Survey (SDSS). The new quasars have redshifts z fr…

math.QA2005★ 6 cited

Noncommutative geometry and motives: the thermodynamics of endomotives

Alain Connes, Caterina Consani, Matilde Marcolli

We combine aspects of the theory of motives in algebraic geometry with noncommutative geometry and the classification of factors to obtain a cohomological interpretation of the spe…

hep-ex2005★ 54 cited

Top Quark Mass Measurement from Dilepton Events at CDF II

CDF Collaboration

We report a measurement of the top quark mass using events collected by the CDF II Detector from ppbar collisions at \sqrt{s} = 1.96 TeV at the Fermilab Tevatron. We calculate a li…

hep-ex2005★ 21 cited

Measurement of mass and width of the excited charmed meson states and

CDF Collaboration

This paper describes a measurement of the mass and of the width of two neutral narrow resonances and , both composed of a charm quark and an up antiquark. The diff…

hep-ex2005★ 10 cited

Search for Higgs Boson Decaying to b-bbar and Produced in Association with W Bosons in p-pbar Collisions at sqrt{s}=1.96 TeV

CDF Collaboration, A. Abulencia

We present a search for Higgs bosons decaying into b-bbar and produced in association with W bosons in p-pbar collisions at sqrt{s}=1.96 TeV. This search uses 320 pb-1 of the datas…

hep-ex2005★ 27 cited

Measurement of the Top Quark Mass with the Dynamical Likelihood Method using Lepton plus Jets Events with b-tags in ppbar Collisions at s**(1/2) = 1.96 TeV

CDF Collaboration

This report describes a measurement of the top quark mass, M_{top}, with the dynamical likelihood method (DLM) using the CDF II detector at the Fermilab Tevatron. The Tevatron prod…

astro-ph2005★ 67 cited

Constraining the Projected Radial Distribution of Galactic Satellites with the Sloan Digital Sky Survey

Jacqueline Chen, Andrey V. Kravtsov, Francisco Prada +5

We use the Sloan Digital Sky Survey (SDSS) spectroscopic sample to constrain the projected radial distribution of satellites around isolated ~ L* galaxies. We employ mock galaxy ca…