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Creators/Authors contains: "Brett, Ruairí"

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  1. ; ; ; ; ; ; ; ; (, Physical Review D)
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  2. ; ; ; ; ; ; (, Physical Review Letters)
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  3. ; ; ; ; ; (, Physical Review D)
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  5. ; ; ; ; ; ; (, AIP Conference Proceedings)
    Lattice calculations allow us to probe the low-lying, non-perturbative spectrum of QCD using first principles numerical methods. Here we present the low-lying spectrum in the scalar sector with vacuum quantum numbers including, in fully dynamical QCD for the first time, the mixing between glueball, q-qbar, and meson-meson operators. 
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  6. ; ; ; ; ; ; (, AIP Conference Proceedings)
    Lattice QCD allows us to probe the low-lying hadron spectrum in finite-volume using a basis of single- and multihadron interpolating operators. Here we examine the effect of including tetraquark operators on the spectrum in the scalar meson sectors containing the K0*(700) (κ) and the a0(980) in Nf = 2+1 QCD, with mπ ≈ 230 MeV. Preliminary results of additional finite-volume states found using tetraquark operators are shown, and possible implications of these states are discussed. 
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