{"_buckets": {"deposit": "4b7514c4-9e62-4cba-964e-8d4573f5cba5"}, "_deposit": {"id": "2484", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "2484"}, "status": "published"}, "_oai": {"id": "oai:niigata-u.repo.nii.ac.jp:00002484"}, "item_5_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2000-11", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "22", "bibliographicPageEnd": "4677", "bibliographicPageStart": "4674", "bibliographicVolumeNumber": "85", "bibliographic_titles": [{"bibliographic_title": "Physical Review Letters"}, {"bibliographic_title": "Physical Review Letters", "bibliographic_titleLang": "en"}]}]}, "item_5_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "Light quark masses are calculated in lattice QCD with two degenerate flavors of dynamical quarks. The calculations are made with improved actions with lattice spacing a=0.22 \u20130.11 fm. In the continuum limit we find m MS \u00af ud (2GeV)=3.44 +0.14 \u22120.22 MeV using the \u03c0 and \u03c1 meson masses as physical input, and m MS \u00af s (2GeV)=88 +4 \u22126 MeV or 90 +5 \u221211 MeV with the K or \u03c6 meson mass as additional input. The quoted errors represent statistical and systematic combined, the latter including those from continuum and chiral extrapolations, and from renormalization factors. Compared to quenched results, two flavors of dynamical quarks reduce quark masses by about 25% .", "subitem_description_type": "Abstract"}]}, "item_5_publisher_7": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "American Physical Society"}]}, "item_5_relation_14": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_type_id": {"subitem_relation_type_id_text": "info:doi/10.1103/PhysRevLett.85.4674", "subitem_relation_type_select": "DOI"}}]}, "item_5_rights_15": {"attribute_name": "\u6a29\u5229", "attribute_value_mlt": [{"subitem_rights": "(C) 2000 American Physical Society"}]}, "item_5_select_19": {"attribute_name": "\u8457\u8005\u7248\u30d5\u30e9\u30b0", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_5_source_id_11": {"attribute_name": "\u66f8\u8a8c\u30ec\u30b3\u30fc\u30c9ID", "attribute_value_mlt": [{"subitem_source_identifier": "AA00773679", "subitem_source_identifier_type": "NCID"}]}, 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