Pion--deuteron scattering length in Chiral Perturbation Theory up to order chi^{3/2}

V. Baru , J. Haidenbauer , C. Hanhart , A. Kudryavtsev , V. Lensky , U.-G. Meissner

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classification ⚛️ nucl-th

keywords scatteringcalculationcorrectionslengthorderanalysischiralcombined

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A complete calculation of the corrections to pion-deuteron scattering length up to order $\chi^{3/2}$ with $\chi=m_{\pi}/M_{N}$ is performed. The calculation includes the dispersive contributions and corrections due to the explicit treatment of the $\Delta$ resonance. s-wave pion-nucleon scattering parameters are extracted from a combined analysis of modern experimental data.

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Pion--deuteron scattering length in Chiral Perturbation Theory up to order chi^{3/2}

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