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18 papers · 1 filter
Relative spins and excitation energies of superdeformed bands in 190Hg: Further evidence for octupole vibration
B. Crowell, M. P. Carpenter, R. V. F. Janssens +20
An experiment using the Eurogam Phase II gamma-ray spectrometer confirms the existence of an excited superdeformed (SD) band in 190Hg and its very unusual decay into the lowest SD…
Fitting Correlated Hadron Mass Spectrum Data
C. Michael, A. McKerrell
We discuss fitting hadronic Green functions versus time to extract mass values in quenched lattice QCD. These data are themselves strongly correlated in . With only a limite…
Efficient Hadronic Operators in Lattice Gauge Theory
P. Lacock, A. McKerrell, C. Michael +2
We study operators to create hadronic states made of light quarks in quenched lattice gauge theory. We construct non-local gauge-invariant operators which provide information about…
Logarithmic Corrections to Scaling in the --Model
R. Kenna, A. C. Irving
We study the distribution of partition function zeroes for the --model in two dimensions. In particular we find the scaling behaviour of the end of the distribution of zeroes i…
The QCD Spectrum
Chris Michael
Recent results in light hadron spectroscopy are reviewed. Attention is given to the requirements of precision determinations in lattice gauge theory. Different methods for extracti…
Four-quark energies in SU(2) lattice Monte Carlo using a tetrahedral geometry
A. M. Green, J. Lukkarinen, P. Pennanen +2
This contribution -- a continuation of earlier work -- reports on recent developments in the calculation and understanding of 4-quark energies generated using lattice Monte Carlo t…