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

5.4k citations

Showing 2000Show all

65 papers · 1 filter

hep-ph2000

Mass determination of the lightest supersymmetric partner (C-boson and C-fermion) and cold dark matter

J. K. Hwang

%auto-ignore This paper has been withdrawn by the author(s) because somebody do not agree with my idea.

hep-ph2000

Possible candidate of the cold dark matter and mass origin discovered from the decay

J. K. Hwang

This paper has been withdrawn by the author(s) since somebody do not agree with my idea.

hep-ex2000★ 32 cited

Search for CP Violation in , and

G. Bonvicini, CLEO Collaboration

We have searched for CP-violating asymmetries in neutral charm meson decays in 13.7 fb^-1 of e^+e^- collision data at sqrt{s} = 10.6 GeV with the CLEO detector. The measured asymme…

hep-ex2000★ 21 cited

A Study of the Decay D0->K+pi-

FOCUS Collaboration, Jonathan M. Link

Using a large sample of photoproduced charm mesons from the FOCUS experiment at Fermilab (FNAL-E831), we observe the decay with a signal yield of events…

cond-mat2000

Spin dynamics in nonlinear optical spectroscopy of Fermi sea systems

T. V. Shahbazyan, I. E. Perakis, M. E. Raikh

We discuss the role of many-body spin correlations in nonlinear optical response of a Fermi sea system with a deep impurity level. Due to the Hubbard repulsion between electrons at…

hep-ex2000★ 40 cited

Evidence of New States Decaying into

S. E. Csorna, CLEO Collaboration

Using 13.7 of data recorded by the CLEO detector at CESR, we report evidence for two new charmed baryons: one decaying into with the subsequent decay…

nucl-ex2000★ 258 cited

Centrality Dependence of Charged Particle Multiplicity in Au-Au Collisions at sqrt(s_NN)=130 GeV

PHENIX Collaboration, K. Adcox

We present results for the charged-particle multiplicity distribution at mid-rapidity in Au - Au collisions at sqrt(s_NN)=130 GeV measured with the PHENIX detector at RHIC. For the…

hep-ex2000★ 7 cited

A Measurement of the Decay Asymmetry Parameters in $Ξ_{c}^{0}\to \X^{-}π^{+}$

S. Chan, CLEO Collaboration

Using the CLEO II detector at the Cornell Electron Storage Ring we have measured the decay asymmetry parameter in the decay . We find $α_{Ξ_c^{0}}…

hep-ex2000★ 12 cited

Measurement of the Lifetime

A. H. Mahmood, CLEO Collaboration

The lifetime is measured using 9.0 fb of annihilation data collected on or just below the resonance with the CLEO II.V detector at CESR. Using a…

hep-ph2000★ 57 cited

Optimizing T-violating Effects for Neutrino Oscillations in Matter

Stephen J. Parke, Thomas J. Weiler

Matter effects may strongly enhance the Jarlskog factor J in T and CP-violating three-neutrino oscillation probabilities. However, we show that when J is enhanced, the same matter…

hep-ex2000★ 123 cited

Observation of New States Decaying into

M. Artuso, CLEO Collaboration

Using 13.7 fb^{-1} of data recorded by the CLEO detector at CESR, we investigate the spectrum of charmed baryons which decay into Lambda_c^+ pi^- pi^+ and are more massive than the…

nucl-ex2000★ 20 cited

Search for Strange Quark Matter Produced in Relativistic Heavy Ion Collisions

T. A. Armstrong

We present the final results from Experiment 864 of a search for charged and neutral strange quark matter produced in interactions of 11.5 GeV/c per nucleon Au beams with Pt or Pb…

hep-ex2000★ 21 cited

Search for a Scalar Bottom Quark with Mass 3.5-4.5 GeV/

V. Savinov, CLEO Collaboration

We report on a search for a supersymmetric meson with mass between 3.5 and 4.5 GeV/ using 4.52 of integrated luminosity produced at $\sqrt{s}=10.52…

hep-ex2000★ 21 cited

Observation of the Charmed Baryon at CLEO

D. Cronin-Hennessy, CLEO Collaboration

The CLEO experiment at the CESR collider has used 13.7 fb of data to search for the production of the (css-ground state) in collisions at $\sqrt{s} \sim…

hep-ex2000★ 23 cited

Study of Decays to Six Pions and Neutrino

A. Anastassov, CLEO Collaboration

The decays to six-pion final states have been studied with the CLEO detector at the Cornell Electron Storage Ring. The measured branching fractions are ${\cal B}(τ^-\to 2π^-π^+…

astro-ph2000★ 30 cited

Kinematics of Molecular Hydrogen Emission from Pre-planetary Nebulae: RAFGL 2688 and RAFGL 618

Joel H. Kastner, David A. Weintraub, Ian Gatley +1

We present high spectral resolution maps of near-infrared molecular hydrogen emission from the bipolar pre-planetary nebulae RAFGL 2688 and RAFGL 618, obtained with the NOAO Phoeni…

hep-ex2000★ 40 cited

An improved direct measurement of leptonic coupling asymmetries with polarized Z bosons

The SLD Collaboration, K. Abe

We present final measurements of the Z boson-lepton coupling asymmetry parameters Ae, Amu, and Atau with the complete sample of polarized Z bosons collected by the SLD detector at…

hep-ex2000★ 55 cited

Bounds on the CP Asymmetry in Decays

CLEO Collaboration, T. E. Coan

We have measured the CP asymmetry A_CP = [BF(b -> s gamma) - BF(bbar -> sbar gamma)]/ [BF(b -> s gamma) + BF(bbar -> sbar gamma)] to be A_CP = (-0.079 +/- 0.108 +/- 0.022)(1.0 +/-…

hep-ex2000★ 12 cited

Study of and Meson Production in B Meson Decays

S. Chen, CLEO Collaboration

Using a sample of 9.7 million B meson pairs collected with the CLEO detector, we study B decays to the chi_c1 and chi_c2 charmonia states, which are reconstructed via their radiati…

hep-ex2000★ 7 cited

Measurement of with Charmed Mesons at SLD

The SLD Collaboration, K. Abe

We present a direct measurement of the parity-violation parameter in the coupling of the to -quarks with the SLD detector. The measurement is based on a sample of 53…

hep-ex2000★ 37 cited

First Observation of the Decays and B^{0}\to D^{*-}p\bar{n}$

S. Anderson, CLEO Collaboration

We report the first observation of exclusive decays of the type B to D^* N anti-N X, where N is a nucleon. Using a sample of 9.7 times 10^{6} B-Bbar pairs collected with the CLEO d…

nucl-th2000

Relativistic Heavy--Ion Collisions in the Dynamical String--Parton Model

D. E. Malov, A. S. Umar, D. J. Ernst +1

We develop and extend the dynamical string parton model. This model, which is based on the salient features of QCD, uses classical Nambu-Gotō strings with the endpoints identified…

gr-qc2000★ 8 cited

On the Growth of the Number of Hyperbolic Gravitational Instantons with respect to Volume

John G. Ratcliffe, Steven T. Tschantz

In this paper, we show that the number of hyperbolic gravitational instantons grows superexponentially with respect to volume. As an application, we show that the Hartle-Hawking wa…

cond-mat2000★ 23 cited

Ultrafast Coulomb-induced dynamics of 2D magnetoexcitons

T. V. Shahbazyan, N. Primozich, I. E. Perakis

We study theoretically the ultrafast nonlinear optical response of quantum well excitons in a perpendicular magnetic field. We show that for magnetoexcitons confined to the lowest…