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19932026
most citedThe Astropy Project: Building an inclusive, open-science project and status of the v2.0 core package

7.7k citations

Showing 2009Show all

86 papers · 1 filter

nucl-th2009★ 2 cited

Regge-plus-resonance predictions for charged-kaon photoproduction from the deuteron

Pieter Vancraeyveld, Lesley De Cruz, Jan Ryckebusch +1

We present a Regge-inspired effective-Lagrangian framework for charged-kaon photoproduction from the deuteron. Quasi-free kaon production is investigated using the Regge-plus-reson…

math.CV2009★ 23 cited

Fueter's theorem: the saga continues

Dixan Peña Peña, Frank Sommen

In this paper is extended the original theorem by Fueter-Sce (assigning an -valued monogenic function to a -valued holomorphic function) to the higher o…

math.CV2009★ 2 cited

Monogenic Gaussian distribution in closed form and the Gaussian fundamental solution

Dixan Peña Peña, Frank Sommen

In this paper we present a closed formula for the CK-extension of the Gaussian distribution in , and the monogenic version of the holomorphic function …

math.DG2009★ 28 cited

Routhian reduction for quasi-invariant Lagrangians

B. Langerock, F. Cantrijn, J. Vankerschaver

In this paper we describe Routhian reduction as a special case of standard symplectic reduction, also called Marsden-Weinstein reduction. We use this correspondence to present a ge…

hep-th2009★ 72 cited

Gribov horizon and i-particles: about a toy model and the construction of physical operators

L. Baulieu, D. Dudal, M. S. Guimaraes +4

Restricting the functional integral to the Gribov region leads to a deep modification of the behavior of Euclidean Yang-Mills theories in the infrared region. For example, a gl…

hep-ex2009★ 2 cited

Measurement of radiative capture to and for between 514 and 750 MeV/

S. Prakhov, P. Vancraeyveld, N. Phaisangittisakul +24

Differential cross sections for radiative capture in flight on the proton, leading to the and final states, have been measured at eight momenta between 514…

astro-ph.GA2009★ 27 cited

Current data on the globular cluster Palomar 14 are not inconsistent with MOND

Gianfranco Gentile, Benoit Famaey, Garry W. Angus +1

Certain types of globular clusters have the very important property that the predictions for their kinematics in the Newtonian and modified Newtonian dynamics (MOND) contexts are d…

astro-ph.HE2009

Extending the search for neutrino point sources with IceCube above the horizon

The IceCube Collaboration, R. Abbasi

Point source searches with the IceCube neutrino telescope have been restricted to one hemisphere, due to the exclusive selection of upward going events as a way of rejecting the at…

math.CV2009★ 2 cited

Fischer decomposition by inframonogenic functions

Helmuth R. Malonek, Dixan Peña Peña, Frank Sommen

Let D denote the Dirac operator in the Euclidean space R^m. In this paper, we present a refinement of the biharmonic functions and at the same time an extension of the monogenic fu…

math.PR2009★ 59 cited

Exchangeability and sets of desirable gambles

Gert de Cooman, Erik Quaeghebeur

Sets of desirable gambles constitute a quite general type of uncertainty model with an interesting geometrical interpretation. We give a general discussion of such models and their…

math.CA2009★ 10 cited

Dunkl operators and a family of realizations of osp(1|2)

H. De Bie, B. Orsted, P. Somberg +1

In this paper, a family of radial deformations of the realization of the Lie superalgebra osp(1|2) in the theory of Dunkl operators is obtained. This leads to a Dirac operator depe…

hep-ex2009★ 41 cited

Nuclear-mass dependence of azimuthal beam-helicity and beam-charge asymmetries in deeply virtual Compton scattering

The HERMES collaboration, A. Airapetian

The nuclear-mass dependence of azimuthal cross section asymmetries with respect to charge and longitudinal polarization of the lepton beam is studiedfor hard exclusive electroprodu…

hep-ex2009★ 44 cited

Measurement of azimuthal asymmetries associated with deeply virtual Compton scattering on an unpolarized deuterium target

The HERMES Collaboration, A. Airapetian

Azimuthal asymmetries in exclusive electroproduction of a real photon from an unpolarized deuterium target are measured with respect to beam helicity and charge. They appear in the…

hep-th2009★ 6 cited

Aspects of the Gribov-Zwanziger framework

D. Dudal, N. Vandersickel, H. Verschelde +1

The existence of gauge (Gribov) copies disturbs the usual Faddeev-Popov quantization procedure in the Landau gauge. It is a very hard job to treat these in the continuum, even in a…

physics.plasm-ph2009★ 44 cited

Observation of confined current ribbon in JET plasmas

E. R. Solano, P. J. Lomas, B. Alper +29

we report the identification of a localised current structure inside the JET plasma. It is a field aligned closed helical ribbon, carrying current in the same direction as the back…

hep-lat2009★ 1 cited

Gluon propagators and center vortices at finite temperature

T. Saito, M. N. Chernodub, Atsushi Nakamura +1

We study influence of center vortices on infrared properties of gluons in the deconfinement phase of quenched QCD. We observe a significant suppression of the magnetic component of…

astro-ph.CO2009★ 27 cited

Limits on a muon flux from Kaluza-Klein dark matter annihilations in the Sun from the IceCube 22-string detector

The IceCube collaboration, R. Abbasi

A search for muon neutrinos from Kaluza-Klein dark matter annihilations in the Sun has been performed with the 22-string configuration of the IceCube neutrino detector using data c…

astro-ph.CO2009★ 596 cited

The Herschel ATLAS

S. Eales, L. Dunne, D. Clements +94

The Herschel ATLAS is the largest open-time key project that will be carried out on the Herschel Space Observatory. It will survey 510 square degrees of the extragalactic sky, four…

hep-th2009★ 1 cited

A candidate for the scalar glueball operator within the Gribov-Zwanziger framework

N. Vandersickel, D. Dudal, S. P. Sorella +1

This proceeding gives an overview of the renormalization of using the Faddeev-Popov action and the more complicate Gribov-Zwanziger action, which deals with Gribov copie…

astro-ph.CO2009★ 19 cited

Metallicity Gradients - Mass Dependency in Dwarf Elliptical Galaxies

M. Koleva, Ph. Prugniel, S. De Rijcke +2

The formation and evolution of galaxies is imprinted on their stellar population radial gradients. Two recent articles present conflicting results concerning the mass dependence of…

physics.chem-ph2009★ 42 cited

Subsystem constraints in variational second order density matrix optimization: curing the dissociative behavior

Brecht Verstichel, Helen van Aggelen, Dimitri Van Neck +2

A previous study of diatomic molecules revealed that variational second-order density matrix theory has serious problems in the dissociation limit when the N-representability is im…

math.CO2009★ 2 cited

A geometric construction of Mathon's perp-system from four lines of PG(5,3)

John Bamberg, Frank De Clerck

We give a new construction of the Mathon perp-system of the five dimensional projective space over the field with three elements, starting from four lines.

math.GR2009★ 3 cited

Λ-buildings and base change functors

Petra N. Schwer, Koen Struyve

We prove an analog of the base change functor of Λ-trees in the setting of generalized affine buildings. The proof is mainly based on local and global combinatorics of the associat…

astro-ph.CO2009★ 169 cited

Universality of galactic surface densities within one dark halo scale-length

Gianfranco Gentile, Benoit Famaey, HongSheng Zhao +1

It was recently discovered that the mean dark matter surface density within one dark halo scale length - the radius within which the volume density profile of dark matter remains a…