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201 papers · 1 filter
Holography and Phenomenology
Nima Arkani-Hamed, Massimo Porrati, Lisa Randall
We examine various aspects of the conjectured duality between warped AdS geometries with boundary branes and strongly coupled (broken) conformal field theories coupled to dynam…
Suppression of tunneling into multi-wall carbon nanotubes
A. Bachtold, M. de Jonge, K. Grove-Rasmussen +3
We have studied tunneling of electrons into multi-wall carbon nanotubes. Nanotube/electrode interfaces with low transparency as well as nanotube/nanotube junctions created with ato…
Superconductivity and Magnetism in a New Class of Heavy-Fermion Materials
J. D. Thompson, R. Movshovich, Z. Fisk +11
We report a new family of Ce-based heavy-fermion compounds whose electronic specific heat coefficients range from about 400 to over 700 mJ/mole Ce-K2. Crystal in this family form a…
Elliptic flow at SPS and RHIC: from kinetic transport to hydrodynamics
P. F. Kolb, P. Huovinen, U. Heinz +1
Anisotropic transverse flow is studied in Pb+Pb and Au+Au collisions at SPS and RHIC energies. The centrality and transverse momentum dependence at midrapidity of the elliptic flow…
Nonlinear QED Effects in Heavy Ion Collisions
Spencer R. Klein
Peripheral collisions of relativistic heavy ions uniquely probe many aspects of QED. Examples include pair production and nuclear excitation in strong fields. After discus…
First Measurement of the Ratio B(t-->Wb)/B(t-->Wq) and Associated Limit on the CKM Element Vtb
CDF Collaboration
We present the first measurement of the ratio of branching fraction R= B(t-->wb)/B(t-->Wq) from ppbar collisions at sqrt(s)=1.8 TeV. The data set corresponds to 109 pb-1 of data re…