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19922026
most citedThe Seventh Data Release of the Sloan Digital Sky Survey

5.4k citations

Showing 2001Show all

72 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…

nucl-ex2001★ 277 cited

Centrality dependence of pi^[+/-], K^[+/-], p and p-bar production from sqrt(s_NN)=130 GeV Au + Au collisions at RHIC

PHENIX Collaboration, K. Adcox

Identified pi^[+/-] K^[+/-], p and p-bar transverse momentum spectra at mid-rapidity in sqrt(s_NN)=130 GeV Au-Au collisions were measured by the PHENIX experiment at RHIC as a func…

hep-ex2001★ 11 cited

Observation of Exclusive barB --> D(*) K*- Decays

R. Mahapatra, CLEO Collaboration

We report the first observation of the exclusive decays \bar B\to D^{(*)}K^{*-}, using 9.66 x 10^{6} B\bar{B} pairs collected at the Υ(4S) with the CLEO detector. We measure the fo…

hep-ex2001★ 35 cited

Search for CP Violation in τ-> Kπν_τDecays

G. Bonvicini, CLEO Collaboration

We search and find no evidence for CP violation in tau decays into the K pi nu final state. We provide confidence limits on the imaginary part of the coupling constant Lambda, desc…

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…

hep-ex2001★ 1 cited

Hadronic Decays of Charm

Kevin Stenson

Recent hadronic charm decay results from fixed-target experiments are presented. New measurements of the D0 to K-K+K-pi+ branching ratio are shown as are recent results from Dalitz…

cond-mat2001★ 12 cited

Ultrafast Spin Dynamics in GaAs/GaSb/InAs Heterostructures Probed by Second Harmonic Generation

Yu. D. Glinka, T. V. Shahbazyan, I. E. Perakis +4

We report the first application of pump-probe second harmonic generation (SHG) measurements to characterize optically-induced magnetization in non-magnetic multilayer semiconductor…

hep-ex2001★ 3 cited

Measurement of the Xi^+_c Lifetime

CLEO Collaboration, A. H. Mahmood

The Xi^+_c lifetime is measured using 9.0 fb^-1 of e+e- annihilation data collected on and just below the Upsilon(4S) resonance with the CLEO II.V detector at CESR. This is the fir…

hep-ex2001★ 66 cited

Lifetime Differences, direct CP Violation and Partial Widths in D0 Meson Decays to K+K- and pi+pi-

S. E. Csorna, CLEO Collaboration

We describe several measurements using the decays D0->K+K- and pi+pi-. We find the ratio of partial widths, Gamma(D0->K+K-)/Gamma(D0->pi+pi-), to be 2.96+/-0.16+/-0.15, where the f…

astro-ph2001★ 399 cited

Evidence for Accretion: High-Resolution X-ray Spectroscopy of the Classical T Tauri Star TW Hydrae

Joel H. Kastner, David P. Huenemoerder, Norbert S. Schulz +2

We present high resolution X-ray spectra of the X-ray bright classical T Tauri star, TW Hydrae, covering the wavelength range of 1.5-25 AA. The differential emission measure derive…

hep-ex2001★ 15 cited

Improved Direct Measurement of and at the Pole Using a Lepton Tag

SLD Collaboration, Kenji Abe

The parity violation parameters and of the and couplings have been measured directly, using the polar angle dependence of the polarized cross s…

nucl-ex2001★ 932 cited

Suppression of Hadrons with Large Transverse Momentum in Central Au+Au Collisions at $sqrt {s sub {sub {NN}}}_ = 130 GeV

PHENIX Collaboration, K. Adcox

Transverse momentum spectra for charged hadrons and for neutral pions in the range 1 GeV/c 5 GeV/c have been measured by the PHENIX experiment at RHIC in Au+Au collisions…

hep-ex2001★ 15 cited

Measurement of the Masses and Widths of the Sigma_c^++ and Sigma_c^0 Charmed Baryons

M. Artuso, CLEO Collaboration

Using data recorded by the CLEO II and CLEO II.V detector configurations at CESR, we report new measurements of the masses of the Sigma_c^{++} and Sigma_c^0 charmed baryons, and th…

hep-ph2001★ 15 cited

Three Family N=1 SUSY Models from Z_n Orbifolded AdS/CFT

Thomas W. Kephart, Heinrich Päs

We present an analysis of compactifications of the type IIB superstring on AdS_5 x S^5 / Γ, where Γis an abelian cyclic group. Every Γ=Z_n of order n<= 12 is considered. This resul…

hep-ex2001★ 40 cited

Measurement of B-->K*gamma Branching Fractions and Charge Asymmetries

B. Aubert

The branching fractions of the exclusive decays and are measured from a sample of decays collected with th…

hep-ex2001★ 16 cited

A New Measurement of the Cascade(c)+ Lifetime

FOCUS Collaboration

A precise determination of the charm-strange baryon Cascade(c)+ lifetime is presented. The data were accumulated by the Fermilab high-energy photoproduction experiment FOCUS. The m…

hep-ex2001★ 43 cited

Observation of and

CLEO Collaboration, T. E. Coan

We have studied the color-suppressed hadronic decays of neutral B mesons into the final states D(*)0 pi0. Using 9.67 million B-pairs collected with the CLEO detector, we observe th…

hep-ex2001★ 29 cited

Reconstruction of Vees, Kinks, 's, and 's in the Focus Spectrometer

The FOCUS Collaboration

We describe the various techniques developed in the Fermilab Wideband Experiments, E687 and FOCUS, to reconstruct long-lived states. The techniques all involve modifications to sta…

hep-ex2001★ 32 cited

Search for CP Violation in the decays D+ -> K_S pi+ and D+ -> K_S K+

The FOCUS Collaboration

A high statistics sample of photo-produced charm from the FOCUS(E831) experiment at Fermilab has been used to search for direct CP violation in the decays D+->K_S pi+ and D+ -> K_S…

hep-ex2001★ 162 cited

First Measurement of Gamma(D*+) and Precision Measurement of m_D*+ - m_D0

A. Anastassov

We present the first measurement of the D*+ width using 9/fb of e+ e- data collected near the Upsilon(4S) resonance by the CLEO II.V detector. Our method uses advanced tracking tec…

hep-ex2001★ 125 cited

First Measurement of

S. Ahmed

We present the first measurement of the D*+ width using 9/fb of e+e- data collected near the Upsilon(4S) resonance by the CLEO II.V detector. Our method uses advanced tracking tech…

hep-ex2001★ 59 cited

Cerenkov Particle Identification in FOCUS

The FOCUS Collaboration

We describe the algorithm used to identify charged tracks in the fixed-target charm-photoproduction experiment FOCUS.