Scalar mesons moving in a finite volume and the role of partial wave mixing
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Scalar mesons moving in a finite volume and the role of partial wave mixing

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Scalar mesons moving in a finite volume and the role of partial wave mixing

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dc.contributor.author Döring, Michael
dc.contributor.author Meissner, Ulf-G.
dc.contributor.author Oset Báguena, Eulogio
dc.contributor.author Rusetsky, A.
dc.date.accessioned 2015-08-19T10:55:48Z
dc.date.available 2015-08-19T10:55:48Z
dc.date.issued 2012
dc.identifier.uri http://hdl.handle.net/10550/46674
dc.description.abstract Phase shifts and resonance parameters can be obtained from finite-volume lattice spectra for interacting pairs of particles, moving with nonzero total momentum. We present a simple derivation of the method that is subsequently applied to obtain the pi pi and pi K phase shifts in the sectors with total isospin I=0 and I=1/2, respectively. Considering different total momenta, one obtains extra data points for a given volume that allow for a very efficient extraction of the resonance parameters in the infinite-volume limit. Corrections due to the mixing of partial waves are provided. We expect that our results will help to optimize the strategies in lattice simulations, which aim at an accurate determination of the scattering and resonance properties.
dc.language.iso eng
dc.relation.ispartof European Physical Journal A, 2012, vol. 48, num. 8, p. 114
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Döring, Michael Meissner, Ulf-G. Oset Báguena, Eulogio Rusetsky, A. 2012 Scalar mesons moving in a finite volume and the role of partial wave mixing European Physical Journal A 48 8 114
dc.subject Física
dc.title Scalar mesons moving in a finite volume and the role of partial wave mixing
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-08-19T10:55:49Z
dc.identifier.doi http://dx.doi.org/10.1140/epja/i2012-12114-6
dc.identifier.idgrec 080199

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