Strong CP violation in an effective chiral Lagrangian approach
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Strong CP violation in an effective chiral Lagrangian approach

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Strong CP violation in an effective chiral Lagrangian approach

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dc.contributor.author Pich Zardoya, Antonio
dc.contributor.author Rafael, Eduardo de
dc.date.accessioned 2015-02-25T12:09:54Z
dc.date.available 2015-02-25T12:09:54Z
dc.date.issued 1991
dc.identifier.uri http://hdl.handle.net/10550/42278
dc.description.abstract Possible long-distance effects like eta --> pi-pi and the electric dipole moment of the neutron (nEDM), which may originate in the strong CP-non-conserving sector of QCD, are re-examined in the light of an effective chiral lagrangian approach. Contrary to recent claims, we show that it is possible to obtain reliable estimates for these processes from chiral symmetry and low-energy phenomenology (modulo the size of the theta-vacuum angle, of course). We also discuss how an improvement of the presented estimate of the nEDM could be made, if necessary.
dc.language.iso eng
dc.relation.ispartof Nuclear Physics B, 1991, vol. 367, num. 1, p. 313-333
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Pich Zardoya, Antonio Rafael, Eduardo de 1991 Strong CP violation in an effective chiral Lagrangian approach Nuclear Physics B 367 1 313 333
dc.subject Física
dc.title Strong CP violation in an effective chiral Lagrangian approach
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-02-25T12:09:54Z
dc.identifier.doi http://dx.doi.org/10.1016/0550-3213(91)90019-T
dc.identifier.idgrec 081656

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