{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1050294562443477760.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"HDL","@value":"http://hdl.handle.net/2433/277946"}},{"identifier":{"@type":"DOI","@value":"10.1103/physrevd.104.054510"}},{"identifier":{"@type":"URI","@value":"https://link.aps.org/article/10.1103/PhysRevD.104.054510"}},{"identifier":{"@type":"URI","@value":"http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevD.104.054510/fulltext"}},{"identifier":{"@type":"DOI","@value":"10.48550/arxiv.2106.08175"}},{"identifier":{"@type":"HANDLE","@value":"2433/277946"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@language":"en","@value":"Emergence of the ρ resonance from the HAL QCD potential in lattice QCD"},{"@value":"Emergence of the \n<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi>ρ</mml:mi></mml:math>\n resonance from the HAL QCD potential in lattice QCD"}],"dc:language":"en","description":[{"type":"Abstract","notation":[{"@language":"en","@value":"We investigate the I=1 ππ interaction using the HAL QCD method in lattice QCD. We employ the (2+1)-flavor gauge configurations on 32³×64 lattice at the lattice spacing a≈0.0907  fm and mπ≈411  MeV, in which the ρ meson appears as a resonance state. We find that all-to-all propagators necessary in this calculation can be obtained with reasonable precision by a combination of three techniques, the one-end trick, the sequential propagator, and the covariant approximation averaging (CAA). The nonlocal I=1 ππ potential is determined at the next-to-next-to-leading order (N²LO) of the derivative expansion for the first time, and the resonance parameters of the ρ meson are extracted. The obtained ρ meson mass is found to be consistent with the value in the literature, while the value of the coupling gρππ turns out to be somewhat larger. The latter observation is most likely attributed to the lack of low-energy information in our lattice setup with the center-of-mass frame. Such a limitation may appear in other P-wave resonant systems and we discuss possible improvement in future. With this caution in mind, we positively conclude that we can reasonably extract the N²LO potential and resonance parameters even in the system requiring the all-to-all propagators in the HAL QCD method, which opens up new possibilities for the study of resonances in lattice QCD."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1070294562443477760","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Akahoshi, Yutaro"},{"@language":"ja","@value":"赤星, 友太郎"}]},{"@id":"https://cir.nii.ac.jp/crid/1070294562443477762","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Aoki, Sinya"},{"@language":"ja","@value":"青木, 愼也"}]},{"@id":"https://cir.nii.ac.jp/crid/1070294562443477761","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Doi, Takumi"}]}],"contributor":[{"@id":"https://cir.nii.ac.jp/crid/1892273590556123904","@type":"Researcher","foaf:name":[{"@value":"青木, 愼也"}]},{"@id":"https://cir.nii.ac.jp/crid/1892273590556123905","@type":"Researcher","foaf:name":[{"@value":"赤星, 友太郎"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"24700010"},{"@type":"EISSN","@value":"24700029"}],"prism:publicationName":[{"@language":"en","@value":"Physical Review D"}],"dc:publisher":[{"@value":"American Physical Society (APS)"}],"prism:publicationDate":"2021-09","prism:volume":"104","prism:number":"5","prism:startingPage":"054510"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3."],"url":[{"@id":"https://link.aps.org/article/10.1103/PhysRevD.104.054510"},{"@id":"http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevD.104.054510/fulltext"}],"foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Hadron-hadron%20interactions","dc:title":"Hadron-hadron interactions"},{"@id":"https://cir.nii.ac.jp/all?q=Lattice%20QCD","dc:title":"Lattice QCD"},{"@id":"https://cir.nii.ac.jp/all?q=Quantum%20field%20theory","dc:title":"Quantum field theory"},{"@id":"https://cir.nii.ac.jp/all?q=Hadrons","dc:title":"Hadrons"},{"@id":"https://cir.nii.ac.jp/all?q=Pions","dc:title":"Pions"},{"@id":"https://cir.nii.ac.jp/all?q=Lattice%20gauge%20theory","dc:title":"Lattice gauge theory"},{"@id":"https://cir.nii.ac.jp/all?q=Particles%20%26%20Fields","dc:title":"Particles & Fields"},{"@id":"https://cir.nii.ac.jp/all?q=Nuclear%20Physics","dc:title":"Nuclear Physics"}],"dcterms:subject":[{"subjectScheme":"Other","notation":[{"@language":"en","@value":"Hadron-hadron 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point"}]},{"@id":"https://cir.nii.ac.jp/crid/1360574096555784064","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Resonance scattering phase shifts on a non-rest-frame lattice"}]},{"@id":"https://cir.nii.ac.jp/crid/1360576123178297984","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Erratum: Energy dependence of the<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi>ρ</mml:mi></mml:math>resonance in<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi>π</mml:mi><mml:mi>π</mml:mi></mml:math>elastic scattering from lattice QCD [Phys. Rev. D<b>87</b>, 034505 (2013)]"}]},{"@id":"https://cir.nii.ac.jp/crid/1360848657385859712","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Hadron interactions in lattice QCD"}]},{"@id":"https://cir.nii.ac.jp/crid/1360848658651795840","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"ρ resonance from the <i>I</i> = 1 ππ potential in lattice QCD"}]},{"@id":"https://cir.nii.ac.jp/crid/1360855569862131072","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Renormalization group analysis of lattice theories and improved lattice action: Two-dimensional non-linear O(N) sigma model"}]},{"@id":"https://cir.nii.ac.jp/crid/1360855571106223232","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Practical all-to-all propagators for lattice QCD"}]},{"@id":"https://cir.nii.ac.jp/crid/1360857596469837184","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Erratum: Coupled channel analysis of the<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi>ρ</mml:mi></mml:math>meson decay in lattice QCD [Phys. Rev. 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