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203 papers · 1 filter
Measurement of K^+ \to π^0 μ^+ νγdecay using stopped kaons
E470 Collaboration, S. Shimizu, K. Horie +17
The K^+ \to π^0 μ^+ νγ() decay has been measured with stopped positive kaons at the KEK 12 GeV proton synchrotron. A sample containing 125 events was obtained.…
Measurements of the branching fractions and CP-asymmetries of B- --> D0_(CP) K- decays
The BABAR Collaboration, B. Aubert
We present a study of the decay B- --> D0_(CP) K- and its charge conjugate, where D0_(CP) is reconstructed in CP-even, CP-odd, and non-CP flavor eigenstates, based on a sample of 2…
Symmetric obstruction theories and Hilbert schemes of points on threefolds
Kai Behrend, Barbara Fantechi
We introduce the notion of symmetric obstruction theory and study symmetric obstruction theories which are compatible with C*-actions. We prove that the contribution of an isolated…
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…
Static magnetic order in metallic KCoO
J. Sugiyama, H. Nozaki, Y. Ikedo +8
By means of muon spin spectroscopy, we have found that KCoO crystals undergo successive magnetic transitions from a high-T paramagnetic state to a magnetic ordered sta…
Discovery of the X-ray Counterpart to the Rotating Radio Transient J1819--1458
S. P. Reynolds, K. J. Borkowski, B. M. Gaensler +10
We present the discovery of the first X-ray counterpart to a Rotating RAdio Transient (RRAT) source. RRAT J1819--1458 is a relatively highly magnetized (B G)…