Elastic s-wave B pi, D pi, DK and K pi scattering from lattice calculations of scalar form factors in semileptonic decays
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Elastic s-wave B pi, D pi, DK and K pi scattering from lattice calculations of scalar form factors in semileptonic decays

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Elastic s-wave B pi, D pi, DK and K pi scattering from lattice calculations of scalar form factors in semileptonic decays

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Flynn, Jonathan M.; Nieves Pamplona, Juan Miguel
Aquest document és un/a article, creat/da en: 2007
We show how theoretical, principally lattice calculations of the scalar form factors in semileptonic pseudoscalar-to-pseudoscalar decays can be used to extract information about the corresponding elastic s-wave scattering channels. We find values for the scattering lengths m(pi)a=0.179(17)(14), 0.26(26) and 0.29(4) for elastic s-wave isospin-1/2 K pi, B pi and D pi channels, respectively. We also determine phase shifts. For the DK channel we find hints that there is a bound state which can be identified with the recently discovered D-s0(+)(2317).

    Flynn, Jonathan M. Nieves Pamplona, Juan Miguel 2007 Elastic s-wave B pi, D pi, DK and K pi scattering from lattice calculations of scalar form factors in semileptonic decays Physical Review D 75 7 074024
http://dx.doi.org/10.1103/PhysRevD.75.074024
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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