SCOAP3 Repository 5 records found  Search took 0.01 seconds. 
1. The I  = 1 pion–pion scattering amplitude and timelike pion form factor from N f  = 2 + 1 lattice QCD / Andersen, Christian ; Bulava, John ; Hörz, Ben ; Morningstar, Colin
The elastic I=1 p -wave ππ scattering amplitude is calculated together with the isovector timelike pion form factor using lattice QCD with Nf=2+1 dynamical quark flavors. [...]
Published in Nuclear Physics B 939 (2019) 145-173 10.1016/j.nuclphysb.2018.12.018
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2. Determination of s - and p -wave I  = 1/2 Kπ scattering amplitudes in N f  = 2 + 1 lattice QCD / Brett, Ruairí ; Bulava, John ; Fallica, Jacob ; Hanlon, Andrew ; et al
The elastic I=1/2 , s - and p -wave kaon-pion scattering amplitudes are calculated using a single ensemble of anisotropic lattice QCD gauge field configurations with Nf=2+1 flavors of dynamical Wilson-clover fermions at mπ=230 MeV . [...]
Published in Nuclear Physics B (2018) 10.1016/j.nuclphysb.2018.05.008
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3. Elastic I=3/2 p-wave nucleon-pion scattering amplitude and the Δ(1232) resonance from Nf=2+1 lattice QCD / Andersen, Christian Walther ; Bulava, John ; Hörz, Ben ; Morningstar, Colin
We present the first direct determination of meson-baryon resonance parameters from a scattering amplitude calculated using lattice QCD. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.014506 arXiv:1710.01557
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4. Estimating the two-particle K -matrix for multiple partial waves and decay channels from finite-volume energies / Morningstar, Colin ; Bulava, John ; Singha, Bijit ; Brett, Ruairí ; et al
An implementation of estimating the two-to-two K -matrix from finite-volume energies based on the Lüscher formalism and involving a Hermitian matrix known as the “box matrix” is described. [...]
Published in Nuclear Physics B (2017) 10.1016/j.nuclphysb.2017.09.014
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5. I = 1 and I = 2 π – π scattering phase shifts from N f = 2 + 1 lattice QCD / Bulava, John ; Fahy, Brendan ; Hörz, Ben ; Juge, Keisuke J. ; et al
The I=1p -wave and I=2s -wave elastic π – π scattering amplitudes are calculated from a first-principles lattice QCD simulation using a single ensemble of gauge field configurations with Nf=2+1 dynamical flavors of anisotropic clover-improved Wilson fermions. [...]
Published in Nuclear Physics B (2016) 10.1016/j.nuclphysb.2016.07.024
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