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Lubicz","submitted_at":"2013-11-12T14:32:26Z","abstract_excerpt":"We present a lattice QCD determination of the average up-down, strange and charm quark masses based on simulations performed by the European Twisted Mass Collaboration with $N_f = 2 + 1 + 1$ dynamical fermions. We simulated at three different values of the lattice spacing, the smallest being approximately $0.06fm$, and with pion masses as small as $210 \\text{MeV}$. Our results are: $m_{ud}(2\\text{GeV})=3.70(17)\\text{MeV}$, $m_s(2\\text{GeV})=99.2(3.9)\\text{MeV}$, $m_c(m_c)=1.350(49)\\text{GeV}$, $m_s/m_{ud}=26.64(30)$ and $m_c/m_s=11.65(12)$."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1311.2793","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"hep-lat","submitted_at":"2013-11-12T14:32:26Z","cross_cats_sorted":[],"title_canon_sha256":"97df71a33c5461db11fe0625f5e95b4cb43cc8279cbf9a0a457f33042d025181","abstract_canon_sha256":"591f6813f34bd322ba58cd48143ea599bfc5ecb58b4f6c34273c108739a128e3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:10.255821Z","signature_b64":"H0tLN5QD4W3/BAyXZgROJ/ni+wLNF15ts+TXEv84cG/EzfOAxtwFwfdGRSQcQ04dR+4T5XAPPlpWpOMGDgWtBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff37ccd44ff8a6592d140e51040616a5d6d1af9fb5ef6001b12520b461ccf9bd","last_reissued_at":"2026-05-18T02:41:10.255427Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:10.255427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A determination of the average up-down, strange and charm quark masses from $N_f=2+1+1$","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"C. 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