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

5.4k citations

Showing 2004Show all

132 papers · 1 filter

hep-ex2004★ 22 cited

Limit on the B0->rho0rho0 Branching Fraction and Implications for the CKM Angle alpha

The BABAR Collaboration, B. Aubert et al

We search for the decay B0 -> rho0 rho0 in a data sample of about 227 million Upsilon(4S)-> BBbar decays collected with the BABAR detector at the PEP-II asymmetric-energy e+e- coll…

hep-ex2004★ 44 cited

Measurement of Branching Fractions and Charge Asymmetries for Exclusive B Decays to Charmonium

B. Aubert, BABAR Collaboration

We report measurements of branching fractions and charge asymmetries of exclusive decays of neutral and charged B mesons into two-body final states containing a charmonium state an…

nucl-ex2004★ 8 cited

phi meson production in Au + Au collisions at sqrt{s_{NN} = 200 GeV

PHENIX Collaboration

We present the results on the mid-rapidity phi meson production in the K^{+}K^{-} decay channel in Au + Au collisions at sqrt(s_NN) = 200 GeV measured by the PHENIX experiment at R…

hep-ex2004★ 100 cited

Search for a Charged Partner of the X(3872) in the B Meson Decay B --> X- K, X- --> J/psi pi- pi0

B. Aubert, BaBar Collaboration

We search for a charged partner of the X(3872) in the decay B --> X- K, X- --> J/psi pi- pi0, using 234 million BBbar events collected at the Y(4S) resonance with the BaBar detecto…

hep-ex2004★ 42 cited

Branching Fractions and CP Asymmetries in B0 -> pi0pi0, B+ -> pi+pi0 and B+ -> K+pi0 Decays and Isospin Analysis of the B -> pipi System

The BABAR Collaboration, B. Aubert

Based on a sample of 227 million BBbar pairs collected by the BaBar detector at the PEP-II asymmetric-energy B Factory at SLAC, we measure the branching fraction B(B0 -> pi0pi0) =…

hep-ex2004★ 6 cited

Measurement of Branching Fraction and Dalitz Distribution for B0->D(*)+/- K0 pi-/+ Decays

B. Aubert, BABAR Collaboration

We present measurements of the branching fractions for the three-body decays B0 -> D(*)-/+ K0 pi^+/-B0 -> D(*)-/+ K*+/- using a sample of approximate…

hep-ex2004★ 32 cited

Measurement of the doubly Cabibbo suppressed decay and a search for charm mixing

FOCUS Collaboration, J. M. Link

We present an analysis of the decay based on FOCUS data. From a sample of 234 signal events, we find a branching ratio of $\frac{Γ(D^0 \to K^+π^-)}{Γ(D^0 \to K^-π^…

hep-ex2004★ 43 cited

Measuring cal B(D^+ --> mu^+ nu) and the Pseudoscalar Decay Constant f_D^+

G. Bonvicini, CLEO Collaboration

In 60 inverse-pb of data taken on the psi(3770) resonance with the CLEO-c detector, we find 8 D+ -> mu+ nu decay candidates that are mostly signal, containing only 1 estimated back…

hep-ex2004★ 55 cited

Photon transitions in Upsilon(2S) and Upsilon(3S)

M. Artuso

We have studied the inclusive photon spectra in Upsilon(2S) and Υ(3S) decays using a large statistics data sample obtained with the CLEO III detector. We present the most precise m…

math-ph2004★ 18 cited

Yang-Mills and some related algebras

Alain Connes, Michel Dubois-Violette

After a short introduction on the theory of homogeneous algebras we describe the application of this theory to the analysis of the cubic Yang-Mills algebra, the quadratic self-dual…

hep-ex2004★ 46 cited

A search for the decay

B. Aubert, BABAR Collaboration

We search for the rare flavor-changing neutral-current decay in a data sample of 82 fb collected with the {\sl BABAR} detector at the PEP-II B-factory.…

hep-ex2004★ 5 cited

Measurements of B meson decays to omega K* and omega rho

The BABAR Collaboration, B. Aubert

We describe searches for B meson decays to the charmless vector-vector final states omega K* and omega rho in 89 million B-Bbar pairs produced in e+e- annihilation at sqrt(s)=10.58…

math.GR2004★ 1 cited

Hyperbolic groups admit proper affine isometric actions on -spaces

Guoliang Yu

In this paper, we show that hyperbolic groups admit proper affine isometric actions on -spaces.

astro-ph2004★ 61 cited

Opening the Treasure Chest: A Newborn Star Cluster Emerges from its Dust Pillar in Carina

Nathan Smith, Keivan G. Stassun, John Bally

We present detailed observations of the Treasure Chest, a compact nebula at the head of a dust pillar in the southern Carina nebula. This object is of interest because it is an exa…

math.GR2004★ 2 cited

Groups with small Dehn functions and bipartite chord diagrams

Alexander Olshanskii, Mark Sapir

We introduce a new invariant of bipartite chord diagrams and use it to construct the first examples of groups with Dehn function and other small Dehn functions. Some of…

hep-ex2004★ 16 cited

Measurement of the Ratio BR(B- --> D*0 K-)/BR(B- --> D*0 pi-) and of the CP Asymmetry of B- --> D*0(CP+) K- Decays

The BABAR Collaboration, B. Aubert

We study the decays B- --> D*0 pi- and B- --> D*0 K-, where the D*0 decays into D0 pi0, with the D0 reconstructed in the CP-even (CP+) eigenstates K- K+ and pi- pi+ and in the (non…

hep-ex2004★ 15 cited

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

S. B. Athar

Using data recorded by the CLEO III detector at CESR, we have made measurements of some properties of the Sigma_c^{*++} and Sigma_c^{*0} charmed baryons. In particular: Gamma(Sigma…

math.MG2004★ 19 cited

On coarse embeddability into -spaces and a conjecture of Dranishnikov

Piotr W. Nowak

We show that the Hilbert space is coarsely embeddable into any for . In particular, this yields new characterizations of embeddability of separable metric s…

astro-ph2004★ 253 cited

The Dependence of Differential Rotation on Temperature and Rotation

J. R. Barnes, A. Collier Cameron, J. -F. Donati +3

We use Doppler imaging techniques to determine the dependence of starspot rotation rates on latitude in an homogeneous sample of young, rapidly-rotating solar analogues. A solar-li…

hep-ex2004★ 21 cited

Analysis of the semileptonic decay

the FOCUS Collaboration, J. M. Link

Using data collected by the fixed target Fermilab experiment FOCUS, we present several first measurements for the semileptonic decay . Using a model that…

hep-ex2004★ 14 cited

Measurement of the branching ratio of the decay D^0 -> π^-μ^+νrelative to D^0 -> K^-μ^+ν

FOCUS Collaboration

We present a new measurement of the branching ratio of the Cabibbo suppressed decay D^0\to π^-μ^+νrelative to the Cabibbo favored decay D^0\to K^-μ^+νand an improved measurement of…

astro-ph2004★ 42 cited

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT

C. Lidman, D. A. Howell, G. Folatelli +44

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide r…

hep-ph2004★ 16 cited

Indirect Detection of Dark Matter WIMPs in a Liquid Argon TPC

A. Bueno, R. Cid, S. Navas-Concha +2

We assess the prospects for indirect detection of Weakly Interacting Massive Particles using a large Liquid Argon TPC detector. Signal events will consist of energetic electron (an…

astro-ph2004

Non-Ideal Equation of State, Refraction and Opacities in Very Cool, Helium-Rich White Dwarf Atmospheres

P. M. Kowalski, D. Saumon, S. Mazevet

The atmospheres of cool, helium-rich white dwarfs constitute an exotic and poorly explored physical regime of stellar atmospheres. Under physical conditions where the temperature v…