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118 papers · 1 filter
Observation of p-wave Threshold Law Using Evaporatively Cooled Fermionic Atoms
B. DeMarco, J. L. Bohn, J. P. Burke +2
We have measured independently both s-wave and p-wave cross-dimensional thermalization rates for ultracold potassium-40 atoms held in a magnetic trap. These measurements reveal tha…
Taber Vibration Isolator for Vacuum and Cryogenic Applications
Hilton W. Chan, Joshua C. Long, John C. Price
We present a procedure for the design and construction of a passive, multipole, mechanical high-stop vibration isolator. The isolator, consisting of a stack of metal disks connecte…
Low Luminosity States of the Black Hole Candidate GX~339--4. II. Timing Analysis
Michael A. Nowak, Joern Wilms, James B. Dove
Here we present timing analysis of a set of eight Rossi X-ray Timing Explorer (RXTE) observations of the black hole candidate GX 339-4 that were taken during its hard/low state. On…
Properties of Hot Stars in the Wolf-Rayet galaxy NGC5253 from ISO Spectroscopy
Paul A. Crowther, S. C. Beck, Allan J. Willis +3
ISO-SWS spectroscopy of the WR galaxy NGC5253 is presented, and analysed to provide estimates of its hot young star population. Our approach differs from previous investigations in…
Flavor SU(3) Symmetry and Factorization in B Decays to Two Charmless Vector Mesons
Sechul Oh
We first present a model-independent analysis using flavor SU(3) symmetry with SU(3) breaking effects in decays to two charmless vector mesons () in the final state. In ord…
An RXTE study of M87 and the core of the Virgo cluster
C. S. Reynolds, S. Heinz, A. C. Fabian +1
We present hard X-ray observations of the nearby radio galaxy M87 and the core of the Virgo cluster using the Rossi X-ray Timing Explorer. These are the first hard X-ray observatio…