{"created":"2025-02-21T04:21:35.888388+00:00","id":2008371,"links":{},"metadata":{"_buckets":{"deposit":"c323cc8d-2cbe-42b9-8dc0-34540023761b"},"_deposit":{"created_by":41,"id":"2008371","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2008371"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02008371","sets":["1730444907710"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"Calculation of nonleptonic kaon decay amplitudes from K→π matrix elements in quenched domain-wall QCD","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Noaki, J.","creatorNameLang":"en"}],"familyNames":[{"familyName":"Noaki","familyNameLang":"en"}],"givenNames":[{"givenName":"J.","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Aoki, 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access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186499011":{"attribute_name":"Rights","attribute_value_mlt":[{"subitem_rights":"Copyright (c) 2003 American Physical Soceity"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"lattice QCD","subitem_subject_scheme":"Other"},{"subitem_subject":"domain-wall fermion action","subitem_subject_scheme":"Other"},{"subitem_subject":"420","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"We explore the application of the domain wall fermion formalism of lattice QCD to calculate the K→ππ decay amplitudes in terms of the K +→π+ and K0→0 hadronic matrix elements through relations derived in chiral perturbation theory. Numerical simulations are carried out in quenched QCD using the domain-wall fermion action for quarks and a renormalization group-improved gauge action for gluons on a 163×32×16 and 243×32×16 lattice at β=2.6 corresponding to the lattice spacing 1/a≈2 GeV. Quark loop contractions which appear in Penguin diagrams are calculated by the random noise method, and the ΔI=1/2 matrix elements which require subtractions with the quark loop contractions are obtained with a statistical accuracy of about 10%.0 We investigate the chiral properties required of the K +→π+ matrix elements. Matching the lattice matrix elements to those in the continuum at μ=1/a using the perturbative renormalization factor to one loop order, and running to the scale μ=m c=1.3 GeV with the renormalization group for Nf=3 flavors, we calculate all the matrix elements needed for the decay amplitudes. With these matrix elements, the ΔI=3/2 decay amplitude ReA2 shows a good agreement with experiment after an extrapolation to the chiral limit. The ΔI =1/2 amplitude ReA0, on the other hand, is about 50-600f the experimental one even after chiral extrapolation. In view of the insufficient enhancement of the ΔI=1/2 contribution, we employ the experimental values for the real parts of the decay amplitudes in our calculation of ε′/ε. The central values of our result indicate that the ΔI=3/2 contribution is larger than the ΔI=1/2 contribution so that ε′/ε is negative and has a magnitude of order 10 -4. We discuss in detail possible systematic uncertainties, which seem too large for a definite conclusion on the value of ε′/ε.","subitem_description_language":"en"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"American Physical Soceity"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_source_identifier":"1550-7998","subitem_source_identifier_type":"ISSN"}]},"item_1617187024783":{"attribute_name":"Page Start","attribute_value_mlt":[{"subitem_start_page":"014501"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2003-07","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageStart":"014501","bibliographicVolumeNumber":"68","bibliographic_titles":[{"bibliographic_title":"Physical Review D"},{"bibliographic_title":"Physical Review D"}]}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_1617353299429":{"attribute_name":"Relation","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1103/PhysRevD.68.014501","subitem_relation_type_select":"DOI"}},{"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://dx.doi.org/10.1103/PhysRevD.68.014501","subitem_relation_type_select":"DOI"}}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2023-03-18"}],"displaytype":"simple","filename":"P028_e014501.pdf","filesize":[{"value":"555.5 KB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2008371/files/P028_e014501.pdf"},"version_id":"16c39f9a-4bc2-43da-9380-4f376189794e"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"14478"},"item_title":"Calculation of nonleptonic kaon decay amplitudes from K→π matrix elements in quenched domain-wall QCD","item_type_id":"40003","owner":"41","path":["1730444907710"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-03-18"},"publish_date":"2023-03-18","publish_status":"0","recid":"2008371","relation_version_is_last":true,"title":["Calculation of nonleptonic kaon decay amplitudes from K→π matrix elements in quenched domain-wall QCD"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-02-22T03:37:18.545100+00:00"}