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143 papers · 1 filter
The Inert Doublet Model : a new archetype of WIMP dark matter?
Michel H. G. Tytgat
The Inert Doublet Model (IDM) is a two doublet extension of the Higgs-Brout-Englert sector of the Standard Model with a Z_2 symmetry in order to prevent FCNC. If the Z_2 symmetry i…
Quadratic algebras and position-dependent mass Schrödinger equations
C. Quesne
During recent years, exact solutions of position-dependent mass Schrödinger equations have inspired intense research activities, based on the use of point canonical transformations…
Neutrinos as galactic dark matter in the Ursa Major galaxy group?
G. Gentile, H. S. Zhao, B. Famaey
We present the analysis of 23 published rotation curves of disk galaxies belonging to the Ursa Major group of galaxies, with kinematics free of irregularities. The rotation curves…
Primitive decompositions of Johnson graphs
Alice Devillers, Michael Giudici, Cai Heng Li +1
A transitive decomposition of a graph is a partition of the edge set together with a group of automorphisms which transitively permutes the parts. In this paper we determine all tr…
On the age heterogeneity of the Pleiades, Hyades and Sirius moving groups
Benoit Famaey, Arnaud Siebert, Alain Jorissen
We investigate the nature of the classical low-velocity structures in the local velocity field, i.e. the Pleiades, Hyades and Sirius moving groups. After using a wavelet transform…
Gaia: Organisation and challenges for the data processing
F. Mignard, C. Bailer-Jones, U. Bastian +9
Gaia is an ambitious space astrometry mission of ESA with a main objective to map the sky in astrometry and photometry down to a magnitude 20 by the end of the next decade. While t…