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289 papers · 1 filter

hep-ex2005★ 30 cited

New Measurements of Cabibbo-Suppressed Decays of D Mesons in CLEO-c

P. Rubin, CLEO Collaboration

Using 281 pb^-1 of data collected with the CLEO-c detector, we report on first observations and new measurements of Cabibbo-suppressed decays of D mesons to 2, 3, 4, and 5 pions. B…

hep-ph2005★ 46 cited

Automated Calculation Scheme for alpha^n Contributions of QED to Lepton g-2: Generating Renormalized Amplitudes for Diagrams without Lepton Loops

T. Aoyama, M. Hayakawa, T. Kinoshita +1

Among 12672 Feynman diagrams contributing to the electron anomalous magnetic moment at the tenth order, 6354 are the diagrams having no lepton loops, i.e., those of quenched type.…

hep-ph2005★ 25 cited

Effective Field Theory and Heavy Quark Physics

Matthias Neubert

These notes are based on five lectures presented at the 2004 Theoretical Advanced Study Institute (TASI) on ``Physics in D>=4''. After a brief motivation of flavor physics, they pr…

hep-ex2005★ 62 cited

Measurement of sigma(e^+e^- --> psi(3770) --> hadrons) at E_{cm}=3773 MeV

D. Besson

We measure the cross section for e^+e^- -> ψ(3770) -> hadrons at Ecm=3773 MeV to be (6.38+-0.08^{+0.41}_{-0.30}) nb using the CLEO detector at the CESR e^+e^- collider. The differe…

astro-ph2005

The Double Helix Nebula: a magnetic torsional wave propagating out of the Galactic centre

Mark Morris, Keven Uchida, Tuan Do

Radioastronomical studies have indicated that the magnetic field in the central few hundred parsecs of our Milky Way Galaxy has a dipolar geometry and a strength substantially larg…

astro-ph2005★ 26 cited

Discovery of a low-eccentricity, high-inclination Kuiper belt object at 58 AU

R. L. Allen, B. Gladman, J. J. Kavelaars +3

We report the discovery of the first trans-neptunian object, designated 2004 XR190, with a nearly-cirular orbit beyond the 2:1 mean-motion resonance. Fitting an orbit to 23 astrome…

hep-ph2005★ 123 cited

Toward a NNLO calculation of the B-->X_s gamma decay rate with a cut on photon energy: I. Two-loop result for the soft function

Thomas Becher, Matthias Neubert

A theoretical analysis of the partial inclusive B-->X_s gamma decay rate with a cut E_gamma>E_0 on photon energy must deal with short-distance contributions associated with three d…

hep-ph2005★ 164 cited

The flavor of a little Higgs with T-parity

Jay Hubisz, Seung J. Lee, Gil Paz

We analyze flavor constraints in the littlest Higgs model with T-parity. In particular, we focus on neutral meson mixing in the K, B, and D systems due to one loop contributions fr…

astro-ph2005★ 34 cited

Polycyclic Aromatic Hydrocarbons Orbiting HD 233517, an Evolved Oxygen-Rich Red Giant

M. Jura, J. Bohac, B. Sargent +7

We report spectra obtained with the Spitzer Space Telescope in the 5 to 35 micron range of HD 233517, an evolved K2 III giant with circumstellar dust. At wavelengths longer than 13…

cond-mat.mes-hall2005★ 14 cited

Mesoscopic anisotropic magnetoconductance fluctuations in ferromagnets

Shaffique Adam, Markus Kindermann, Saar Rahav +1

The conductance of a ferromagnetic particle depends on the relative orientation of the magnetization with respect to the direction of current flow. This phenomenon is known as "ani…

astro-ph2005★ 35 cited

IRS spectra of two ultraluminous infrared galaxies at z=1.3

V. Desai, L. Armus, B. T. Soifer +15

We present low-resolution (64 < R < 124) mid-infrared (8--38 micron) Spitzer/IRS spectra of two z~1.3 ultraluminous infrared galaxies (LFIR~10^13) discovered in a Spitzer/MIPS surv…

cond-mat.mtrl-sci2005★ 78 cited

Discussion on clusters, phasons, and quasicrystal stabilisation

C. L. Henley, M. de Boissieu, W. Steurer

This paper summarises a two-hour discussion at the Ninth International Conference on Quasicrystals, including nearly 20 written comments sent afterwards, concerning (i) the meaning…

cond-mat.mtrl-sci2005★ 11 cited

Clusters, phason elasticity, and entropic stabilisation: a theory perspective

C. L. Henley

Personal comments are made about the title subjects, including: the relation of Friedel oscillations to Hume-Rothery stabilisation; how calculations may resolve the random-tiling v…

cond-mat.mtrl-sci2005★ 18 cited

Co-rich decagonal Al-Co-Ni: predicting structure, orientational order, and puckering

Nan Gu, C. L. Henley, M. Mihalkovic

We apply systematic methods previously used by Mihalkovic et al. to predict the structure of the `basic' Co-rich modification of the decagonal Al70 Co20 Ni10 layered quasicrystal,…

hep-ph2005★ 395 cited

Little Higgs Models and Their Phenomenology

Maxim Perelstein

This article reviews the Little Higgs models of electroweak symmetry breaking and their phenomenology. Little Higgs models incorporate a light composite Higgs boson and remain pert…

cond-mat.soft2005★ 1 cited

A Conditionally Cubic-Gaussian Stochastic Lagrangian Model for Acceleration in Isotropic Turbulence

A. G. Lamorgese, S. B. Pope, P. K. Yeung +1

The modelling of fluid particle accelerations in homogeneous, isotropic turbulence in terms of second-order stochastic models for the Lagrangian velocity is considered. The basis f…

hep-th2005★ 37 cited

The Shape of Gravity in a Warped Deformed Conifold

Hassan Firouzjahi, S. -H. Henry Tye

We study the spectrum of the gravitational modes in Minkowski spacetime due to a 6-dimensional warped deformed conifold, i.e., a warped throat, in superstring theory. After identif…

astro-ph2005★ 24 cited

Nonideal strongly magnetized plasmas of neutron stars and their electromagnetic radiation

A. Y. Potekhin, G. Chabrier, D. Lai +2

We study the equation of state, polarization and radiation properties for nonideal, strongly magnetized plasmas which compose outer envelopes of magnetic neutron stars. Detailed ca…

math.CO2005★ 2 cited

g-elements, finite buildings and higher Cohen-Macaulay connectivity

E. Swartz

The main result is a proof that the g-vector of a simplicial complex with a convex ear decomposition is an M-vector. This is a generalization of similar results for matroid complex…

astro-ph2005★ 126 cited

Template Rotation Curves for Disk Galaxies

Barbara Catinella, Riccardo Giovanelli, Martha P. Haynes

A homogeneous sample of ~2200 low redshift disk galaxies with both high sensitivity long-slit optical spectroscopy and detailed I-band photometry is used to construct average, or t…

q-bio.BM2005★ 73 cited

An irreversible growth model for virus capsid assembly

Stephen D. Hicks, C. L. Henley

We model the spontaneous assembly of a capsid (a virus's closed outer shell) from many copies of identical units, using entirely irreversible steps and only information local to th…

math.GR2005

Free and fragmenting filling length

M. R. Bridson, T. R. Riley

The filling length of an edge-circuit ηin the Cayley 2-complex of a finite presentation of a group is the least integer L such that there is a combinatorial null-homotopy of ηdown…

hep-ph2005★ 120 cited

The Tenth-Order QED Contribution to the Lepton g-2: Evaluation of Dominant Terms of Muon g-2

T. Kinoshita, M. Nio

The QED contribution to the anomalous magnetic moments of electron and muon are known very precisely up to the order . However, the knowledge of term will also be requir…

hep-ex2005★ 36 cited

Measurement of the Direct Photon Momentum Spectrum in Upsilon(1S), Upsilon(2S), and Upsilon(3S) Decays

D. Besson, CLEO Collaboration

Using data taken with the CLEO III detector at the Cornell Electron Storage Ring, we have investigated the direct photon spectrum in the decays Upsilon(1S) -> gggamma, Upsilon(2S)…