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- Lawrence Berkeley National LaboratoryUS199 papers
- Centre National de la Recherche ScientifiqueFR190 papers
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44 papers · 1 filter
LArGe: Background suppression using liquid argon (LAr) scintillation for 0 decay search with enriched germanium (Ge) detectors
M. Di Marco, P. Peiffer, S. Schönert
Measurements with a bare p-type high purity germanium diode (HPGe) submerged in a 19 kg liquid argon (LAr) scintillation detector at MPIK Heidelberg are reported. The liquid argon-…
ACS photometry of newly-discovered globular clusters in the outer halo of M31
A. D. Mackey, A. Huxor, A. M. N. Ferguson +6
We report the first results from deep ACS imaging of ten classical globular clusters in the far outer regions (15 < R_p < 100 kpc) of M31. Eight of the clusters, including two of t…
Rotation and chemical abundances of Ap/Bp stars in the open cluster NGC 6475
C. P. Folsom, G. A. Wade, S. Bagnulo +1
The connection between age, rotation and chemical abundance of magnetic Ap stars is poorly understood. Using open clusters, we are able to study samples of stars that are both co-e…
Spectroscopy of Globular Clusters out to Large Radius in the Sombrero Galaxy
Terry Bridges, Katherine Rhode, Steve Zepf +1
We present new velocities for 62 globular clusters in M104 (NGC 4594, the Sombrero Galaxy), 56 from 2dF on the AAT and 6 from Hydra on WIYN. Combined with previous data, we have a…
ACS photometry of extended, luminous globular clusters in the outskirts of M31
A. D. Mackey, A. Huxor, A. M. N. Ferguson +6
A new population of extended, luminous globular clusters has recently been discovered in the outskirts of M31. These objects have luminosities typical of classical globular cluster…
A Decomposition Theory for Binary Linear Codes
Navin Kashyap
The decomposition theory of matroids initiated by Paul Seymour in the 1980's has had an enormous impact on research in matroid theory. This theory, when applied to matrices over th…