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119 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…
Gauge-Mediated Supersymmetry Breaking in String Compactifications
Duiliu-Emanuel Diaconescu, Bogdan Florea, Shamit Kachru +1
We provide string theory examples where a toy model of a SUSY GUT or the MSSM is embedded in a compactification along with a gauge sector which dynamically breaks supersymmetry. We…
INTEGRAL and RXTE Observations of Centaurus A
Richard E. Rothschild, Joern Wilms, John Tomsick +6
INTEGRAL and RXTE performed three simultaneous observations of the nearby radio galaxy Cen A in 2003 March, 2004 January, and 2004 February with the goals of investigating the geom…
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…
Comments on an Expanding Universe
Stuart Samuel
Various results are obtained for a Friedmann-Robertson-Walker cosmology. We derive an exact equation that determines Hubble's law, clarify issues concerning the speeds of faraway o…
A Twin Higgs Model from Left-Right Symmetry
Z. Chacko, Hock-Seng Goh, Roni Harnik
We present twin Higgs models based on the extension of the Standard Model to left-right symmetry that protect the weak scale against radiative corrections up to scales of order 5 T…