{"created":"2023-07-27T06:59:06.668296+00:00","id":58378,"links":{},"metadata":{"_buckets":{"deposit":"b44a44c7-5eaa-4bba-b1fe-4352066ea191"},"_deposit":{"created_by":18,"id":"58378","owners":[18],"pid":{"revision_id":0,"type":"depid","value":"58378"},"status":"published"},"_oai":{"id":"oai:kanazawa-u.repo.nii.ac.jp:00058378","sets":["934:935:937"]},"author_link":["15093","86407","144","102024","102020","102023"],"item_4_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2009","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageStart":"13011","bibliographicVolumeNumber":"79","bibliographic_titles":[{"bibliographic_title":"Physical Review D - Particles, Fields, Gravitation and Cosmology"}]}]},"item_4_creator_33":{"attribute_name":"著者別表示","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"末松, 大二郎"}],"nameIdentifiers":[{},{},{},{}]}]},"item_4_description_21":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Extending the standard model with three right-handed neutrinos (Nk) and a second Higgs doublet (η), odd under the discrete parity symmetry Z2, Majorana neutrino masses can be generated at one-loop order. In the resulting model, the lightest stable particle, either a boson or a fermion, might be a dark matter candidate. Here we assume a specific mass spectrum (M1 M2