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70 papers · 1 filter
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…
Search for rare quark-annihilation decays, B --> Ds(*) Phi
The BABAR Collaboration, B. Aubert
We report on searches for B- --> Ds- Phi and B- --> Ds*- Phi. In the context of the Standard Model, these decays are expected to be highly suppressed since they proceed through ann…
Topology-Induced Critical Current Enhancement in Josephson Networks
P. Silvestrini, R. Russo, V. Corato +7
We investigate the properties of Josephson junction networks with inhomogeneous architecture. The networks are shaped as "quare comb" planar lattices on which Josephson junctions l…
A rapid and dramatic outburst in Blazar 3C 454.3 during May 2005 - Optical and infrared observations with REM and AIT
L. Fuhrmann, A. Cucchiara, N. Marchili +18
The flat-spectrum radio quasar 3C 454.3 is well known to be a highly active and variable source with outbursts occurring across the whole electromagnetic spectrum over the last dec…
Log-parabolic spectra and particle acceleration in blazars. III: SSC emission in the TeV band from Mkn 501
E. Massaro, A. Tramacere, M. Perri +2
Curved broad-band spectral distributions of non-thermal sources like blazars are described well by a log-parabolic (LP) law where the second degree term measures the curvature. LP…
Measurement of spin waves and activation volumes in superparamagnetic Fe films on GaAs(100)
R. L. Stamps, A. Stollo, M. Madami +5
Spin wave frequencies are observed in ultra-thin Fe/GaAs(100) films at temperatures where the spontaneous zero field magnetization is zero. The films exhibit good cyrstalline struc…