Isospin-\(\frac{1}{2}\) \(D\pi\) scattering and the \(D_0^\) resonance
Preliminary lattice QCD results for \(D\pi\) scattering in isospin \(I=\frac{1}{2}\) channel are presented. Utilizing the \(N_f=2+1\) Wilson-Clover configuration at two volumes (\(L^3 \times T=32^3 \times 96\) and \(48^3 \times 96\)) with the same lattice spacing (\(a=0.07746(18)\) fm) and pion mass...
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| creator | Yan, Haobo Liu, Chuan Liu, Liuming Yu, Meng Xing, Hanyang |
| description | Preliminary lattice QCD results for \(D\pi\) scattering in isospin \(I=\frac{1}{2}\) channel are presented. Utilizing the \(N_f=2+1\) Wilson-Clover configuration at two volumes (\(L^3 \times T=32^3 \times 96\) and \(48^3 \times 96\)) with the same lattice spacing (\(a=0.07746(18)\) fm) and pion mass (\(m_\pi \approx 303\) MeV), various two-particle operators in both the COM and the moving frames are constructed and the corresponding finite-volume spectra are determined from their correlation functions. The \(S\) and \(P\)-wave scattering phase shifts are then extracted using the L\"uscher approach, assuming negligible contributions from higher partial waves. A virtual state associated with the \(D_0^*\) is also identified. |
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Utilizing the \(N_f=2+1\) Wilson-Clover configuration at two volumes (\(L^3 \times T=32^3 \times 96\) and \(48^3 \times 96\)) with the same lattice spacing (\(a=0.07746(18)\) fm) and pion mass (\(m_\pi \approx 303\) MeV), various two-particle operators in both the COM and the moving frames are constructed and the corresponding finite-volume spectra are determined from their correlation functions. The \(S\) and \(P\)-wave scattering phase shifts are then extracted using the L\"uscher approach, assuming negligible contributions from higher partial waves. A virtual state associated with the \(D_0^*\) is also identified.</description><identifier>EISSN: 2331-8422</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Correlation ; Pions ; Quantum chromodynamics ; Resonance scattering ; Wave scattering</subject><ispartof>arXiv.org, 2023-12</ispartof><rights>2023. 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| subjects | Correlation Pions Quantum chromodynamics Resonance scattering Wave scattering |
| title | Isospin-\(\frac{1}{2}\) \(D\pi\) scattering and the \(D_0^\) resonance |
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