The strange-quark mass from QCD sum rules in the pseudoscalar channel

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dc.contributor.authorDominguez, C A
dc.contributor.authorPirovano, L
dc.contributor.authorSchilcher, K
dc.date.accessioned2021-10-08T07:11:39Z
dc.date.available2021-10-08T07:11:39Z
dc.date.issued1998
dc.description.abstractQCD Laplace transform sum rules, involving the axial-vector current divergences, are used in order to determine the strange quark mass. The two-point function is known in QCD up to four loops in perturbation theory, and up to dimension-six in the non-perturbative sector. The hadronic spectral function is reconstructed using threshold normalization from chiral symmetry, together with experimental data for the two radial excitations of the kaon. The result for the running strange quark mass, in the $bar{MS}$ scheme at a scale of 1 ${GeV}{2}$ is: ${bar m}_{s}(1 GeV{2}) = 155 pm 25 {MeV}$.
dc.identifier.apacitationDominguez, C. A., Pirovano, L., & Schilcher, K. (1998). The strange-quark mass from QCD sum rules in the pseudoscalar channel. <i>Physics Letters, B</i>, 425(43102), 193 - 198. http://hdl.handle.net/11427/34662en_ZA
dc.identifier.chicagocitationDominguez, C A, L Pirovano, and K Schilcher "The strange-quark mass from QCD sum rules in the pseudoscalar channel." <i>Physics Letters, B</i> 425, 43102. (1998): 193 - 198. http://hdl.handle.net/11427/34662en_ZA
dc.identifier.citationDominguez, C.A., Pirovano, L. & Schilcher, K. 1998. The strange-quark mass from QCD sum rules in the pseudoscalar channel. <i>Physics Letters, B.</i> 425(43102):193 - 198. http://hdl.handle.net/11427/34662en_ZA
dc.identifier.issn0370-2693
dc.identifier.issn1873-2445
dc.identifier.ris TY - Journal Article AU - Dominguez, C A AU - Pirovano, L AU - Schilcher, K AB - QCD Laplace transform sum rules, involving the axial-vector current divergences, are used in order to determine the strange quark mass. The two-point function is known in QCD up to four loops in perturbation theory, and up to dimension-six in the non-perturbative sector. The hadronic spectral function is reconstructed using threshold normalization from chiral symmetry, together with experimental data for the two radial excitations of the kaon. The result for the running strange quark mass, in the $bar{MS}$ scheme at a scale of 1 ${GeV}{2}$ is: ${bar m}_{s}(1 GeV{2}) = 155 pm 25 {MeV}$. DA - 1998 DB - OpenUCT DP - University of Cape Town IS - 43102 J1 - Physics Letters, B LK - https://open.uct.ac.za PY - 1998 SM - 0370-2693 SM - 1873-2445 T1 - The strange-quark mass from QCD sum rules in the pseudoscalar channel TI - The strange-quark mass from QCD sum rules in the pseudoscalar channel UR - http://hdl.handle.net/11427/34662 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/34662
dc.identifier.vancouvercitationDominguez CA, Pirovano L, Schilcher K. The strange-quark mass from QCD sum rules in the pseudoscalar channel. Physics Letters, B. 1998;425(43102):193 - 198. http://hdl.handle.net/11427/34662.en_ZA
dc.language.isoeng
dc.publisher.departmentDepartment of Physics
dc.publisher.facultyFaculty of Science
dc.sourcePhysics Letters, B
dc.source.journalissue43102
dc.source.journalvolume425
dc.source.pagination193 - 198
dc.source.urihttps://dx.doi.org/10.1016/S0370-2693(98)00222-6
dc.subject.otherHigh Energy Physics - Phenomenology
dc.titleThe strange-quark mass from QCD sum rules in the pseudoscalar channel
dc.typeJournal Article
uct.type.publicationResearch
uct.type.resourceJournal Article
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