2026-06-27T23:51:20Zhttps://docta.ucm.es/rest/oai/request
oai:docta.ucm.es:20.500.14352/717042023-08-26T00:49:08Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense author Peláez Sagredo, José Ramón author Rodas, Arkaitz 2023-06-22T10:48:30Z 2023-06-22T10:48:30Z 2022-07-26 0370-1573 10.1016/j.physrep.2022.03.004 https://hdl.handle.net/20.500.14352/71704 http://dx.doi.org/10.1016/j.physrep.2022.03.004 https://www.sciencedirect.com/ We discuss the simultaneous dispersive analyses of nK -> nK and nn -> KK over bar scattering data and the K/K0*(700) resonance. The unprecedented statistics of present and future hadron experiments, modern lattice QCD calculations, and the wealth of new states and decays require such precise and model-independent analyses to describe final state interactions. We review the existing and often conflicting data and explain in detail the derivation of the relevant dispersion relations, maximizing their applicability range. Next, we review and extend the caveats on some data, showing their inconsistency with dispersion relations. Our main result is the derivation and compilation of precise amplitude parameterizations constrained by several nK -> nK and nn -> KK over bar dispersion relations. These constrained parameterizations are easily implementable and provide the rigor and accuracy needed for modern experimental and phenomenological hadron physics. As applications, after reviewing their status and interest, we will provide new precise threshold and subthreshold parameters and review our dispersive determination of the controversial K/K0*(700) resonance and other light-strange resonances. eng Atribución 3.0 España Dispersive πK → πK and ππ → KK amplitudes from scattering data, threshold parameters, and the lightest strange resonance κ or K0∗ (700) journal article URL https://docta.ucm.es/bitstreams/6ab26ee2-1eb1-47ce-a1db-efc0022fe017/download File MD5 e9c3b2b85e7cce1d6001476ebdf6d925 7221682 application/pdf pelaezsagredo139 OA+CC.pdf URL https://docta.ucm.es/bitstreams/a822995b-fd05-4edc-b06d-68dd9e6d4b7f/download File MD5 a8e78a00be1f780c91e23d3efd607aec 651536 text/plain pelaezsagredo139 OA+CC.pdf.txt