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Article overview
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Exploring the meson spectrum with twisted mass lattice QCD | Robert G. Petry
; Derek Harnett
; Randy Lewis
; R. M. Woloshyn
; | Date: |
28 Mar 2008 | Abstract: | Numerical simulations with access to all possible meson quantum numbers,
J^{PC}, are presented using two-flavor (up and down) quenched twisted mass
lattice QCD with three different lattice spacings and four different quark
masses. The connection between P,C and the symmetries of the twisted mass
action are discussed, as is the connection between J and the lattice rotation
group, for the 400 operators used in this study. Curve fitting of this large
data set is accomplished by using an evolutionary fitting algorithm. Results
are reported for conventional and exotic quantum numbers. | Source: | arXiv, 0803.4141 | Services: | Forum | Review | PDF | Favorites |
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