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77 papers · 1 filter
Measurement of Relativistic Orbital Decay in the PSR B1534+12 Binary System
I. H. Stairs, Z. Arzoumanian, F. Camilo +5
We have made timing observations of binary pulsar PSR B1534+12 with radio telescopes at Arecibo, Green Bank, and Jodrell Bank. By combining our new observations with data collected…
The zeropoint field - no longer a ghost
Trevor W. Marshall
We develop a local realist analysis of parametric down conversion, based on the recognition that the pump field, instead of down converting spontaneously, does so through its nonli…
Heavy-Flavour Pentaquarks in a Chiral Constituent Quark Model
M. Genovese, J. -M. Richard, FL. Stancu +1
Within the chiral constituent quark model of Glozman and Riska, we discuss the stability of heavy pentaquarks, i.e. hadrons containing four light quarks and a heavy antiquark. The…
A Coupled-Cluster Formulation of Hamiltonian Lattice Field Theory: The Non-Linear Sigma Model
N. E. Ligterink, N. R. Walet, R. F. Bishop
We apply the coupled cluster method (CCM) to the Hamiltonian version of the latticised O(4) non-linear sigma model. The method, which was initially developed for the accurate descr…
Excited States in 52Fe and the Origin of the Yrast Trap at I=12+
C. A. Ur, D. Bucurescu, S. M. Lenzi +15
Excited states in 52Fe have been determined up to spin 10\hbar in the reaction 28Si + 28Si at 115 MeV by using γ-ray spectroscopy methods at the GASP array. The excitation energy o…
A local realist theory of parametric down conversion
Trevor W. Marshall
In a series of articles we have shown that all parametric-down- conversion processes, both of type-I and type-II, may be described by a positive Wigner density. These results, toge…