Showing 2001Show all

233 papers · 1 filter

hep-ex2001★ 26 cited

Measurement of the B0-anti-B0-Oscillation Frequency with Inclusive Dilepton Events

B. Aubert

The - oscillation frequency has been measured with a sample of 23 million $\B\bar B$ pairs collected with the BABAR detector at the PEP-II asymmetric B Factory at SL…

hep-ex2001★ 32 cited

Measurement of B0-anti-B0 Flavor Oscillations in Hadronic B0 Decays

B. Aubert

Flavor oscillations of neutral mesons have been studied in annihilation data collected with the BABAR detector at center-of-mass energies near the resonance. T…

hep-ph2001★ 5 cited

Indirect Investigations of Supersymmetry

Gerald Eigen, Rick Gaitskell, Graham D. Kribs +1

This is the summary report of the ``Indirect Investigations of SUSY'' subgroup of the P3 Physics Group at Snowmass 2001.

astro-ph2001★ 158 cited

Abundances of Deuterium, Oxygen, and Nitrogen in the Local Interstellar Medium: Overview of First Results from the Far Ultraviolet Spectroscopic Explorer Mission

H. W. Moos, K. R. Sembach, A. Vidal-Madjar +33

Observations obtained with the Far Ultraviolet Spectroscopic Explorer (FUSE) have been used to determine the column densities of D I, O I, and N I along seven sight lines that prob…

astro-ph2001★ 31 cited

Interstellar H-Alpha Line Profiles toward HD 93521 and the Lockman Window

N. R. Hausen, R. J. Reynolds, L. M. Haffner +1

We have used the Wisconsin H-Alpha Mapper (WHAM) facility to measure the interstellar H-Alpha emission toward the high Galactic latitude O star HD 93521 (l = 183.1, b = +62.2). Thr…

astro-ph2001★ 50 cited

The kinematics of lopsided galaxies

Edo Noordermeer, Linda S. Sparke, Stephen E. Levine

Lopsidedness is a common feature in galaxies, both in the distribution of light and in the kinematics. We investigate the kinematics of a model for lopsided galaxies that consists…

astro-ph2001★ 22 cited

Spectropolarimetric Clues to the Structure and Evolutionary Status of MWC 349A

Jill M. Meyer, Kenneth H. Nordsieck, Jennifer L. Hoffman

We present visible-wavelength spectropolarimetric measurements of the emission-line star MWC 349A and its close optical companion MWC 349B, conducted with the HPOL spectropolarimet…

hep-ph2001★ 355 cited

Breaking Eight-fold Degeneracies in Neutrino CP Violation, Mixing, and Mass Hierarchy

V. Barger, D. Marfatia, K. Whisnant

We identify three independent two-fold parameter degeneracies (δ, θ_{13}), sgn(δm^2_{31}) and (θ_{23}, π/2-θ_{23}) inherent in the usual three-neutrino analysis of long-baseline ne…

hep-ex2001★ 95 cited

Search for scalar leptons in e+e- collisions at centre-of-mass energies up to 209GeV

ALEPH Collaboration

A search for selectron, smuon and stau pair production is performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies up to 209 GeV. The numbers of ca…

astro-ph2001★ 38 cited

Photometric variability in the old open cluster M 67. II. General Survey

K. G. Stassun, M. van den Berg, R. D. Mathieu +1

We use differential CCD photometry to search for variability in BVI among 990 stars projected in and around the old open cluster M 67. In a previous paper we reported results for 2…

astro-ph2001★ 26 cited

Photometric variability in the open cluster M67 I. Cluster members detected in X-rays

Maureen van den Berg, Keivan Stassun, Frank Verbunt +1

We study photometric variability among the optical counterparts of X-ray sources in the old open cluster M67. The two puzzling binaries below the giant branch are both variables: f…

cond-mat.supr-con2001★ 12 cited

The differential sum rule for the relaxation rate in the cuprates

Ar. Abanov, Andrey V. Chubukov

Motivated by recent experiments by Basov {\it et al}, we study the differential sum rule for the effective scattering rate . We show that in a dirty BCS superconductor, the…

hep-ph2001★ 9 cited

On Factorization, Quark Counting, and Vector Dominance

M. M. Block, F. Halzen, G. Pancheri

Using an eikonal structure for the scattering amplitude, Block and Kaidalov have derived factorization theorems for nucleon-nucleon, and scattering at high energies, usin…

astro-ph2001★ 56 cited

The Global Content, Distribution, and Kinematics of Interstellar O VI in the Large Magellanic Cloud

J. Christopher Howk, Kenneth R. Sembach, Blair D. Savage +3

We present FUSE observations of interstellar O VI absorption towards 12 early-type stars in the Large Magellanic Cloud (LMC). O VI 1031.926 Ang absorption at LMC velocities is seen…

cond-mat.str-el2001

Conditions for the importance of inelastic losses in photoemission

Robert Haslinger, Robert Joynt

It is shown that for materials near the metal insulator transition, inelastic losses can give rise to substantial changes on a scale of 10-100 meV in the observed lineshape compare…

physics.flu-dyn2001★ 76 cited

Toward a structural understanding of turbulent drag reduction: nonlinear coherent states in viscoelastic shear flows

Philip A. Stone, Fabian Waleffe, Michael D. Graham

Nontrivial steady flows have recently been found that capture the main structures of the turbulent buffer layer. We study the effects of polymer addition on these "exact coherent s…

hep-ph2001★ 20 cited

Inverting a Supernova: Neutrino Mixing, Temperatures and Binding Energy

V. Barger, D. Marfatia, B. P. Wood

We show that the temperatures of the emergent non-electron neutrinos and the binding energy released by a galactic Type II supernova are determinable, assuming the Large Mixing Ang…

hep-ph2001★ 5 cited

Phenomenology of a Constrained Standard Model from an Extra Dimension

M. Chertok, G. D. Kribs, Y. Nomura +3

We describe a highly predictive model for supersymmetry breaking in 5 dimensions. We develop its phenomenology and the capabilities for discovery and measurement at various collide…

hep-ex2001★ 37 cited

Single-spin azimuthal asymmetry in exclusive electroproduction of pi^+ mesons

HERMES Collaboration, A. Airapetian

A single-spin asymmetry in the distribution of exclusively produced pi^+ mesons azimuthally around the virtual photon direction relative to the lepton scattering plane has been mea…

cond-mat.supr-con2001★ 97 cited

The neutron resonance in the cuprates and its effect on fermionic excitations

Ar. Abanov, A. V. Chubukov, M. Eschrig +2

We argue that the exciton scenario for the magnetic resonance in the cuprate superconductors yields a small spectral weight of the resonance, in agreement with experiment. We show…

hep-ph2001

Experimental Studies of Diffractive Processes at HERA

A. A. Savin

Diffractive processes in photon-proton interactions at HERA offer the opportunity to improve the understanding of the transition between the soft, non-perturbative regime in hadron…

hep-ph2001★ 86 cited

Measurement of the Total Cross Section and Differential Cross Section in Collisions at TeV

The CDF collaboration

We present measurements of the B+ meson total cross section and differential cross section . The measurements use a pb^{-1} sample of collisions at $…

hep-ex2001★ 19 cited

Direct CP Violation Searches in Charmless Hadronic B Meson Decays

The BABAR Collaboration, B. Aubert

We search for direct CP violation in charmless hadronic B decays observed in a sample of about 22.7 million pairs collected with the BABAR detector at the PEP-II asymmet…

hep-ex2001★ 9 cited

Measurement of Natural Widths of Sigma-c-0 and Sigma-c-++ Baryons

FOCUS Collaboration

In this paper we present a measurement of the natural widths of and . Using data from the FOCUS experiment, we find MeV/c^2…