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In the updated ABM11 analysis, including the recent combined HERA charm data, the MSbar-values of the c-quark mass m_c(m_c)=1.24 +- 0.03 (exp)\\,^{+0.03}_{-0.02}(scale)\\,^{+0.00}_{-0.07} (th) and m_c(m_c)=1.15\\, +- 0.04 (exp)\\,^{+0.04}_{-0.00} (scale) are determined at NNLO and NLO, respectively. The values of m_c obtained are compared to other determinations including the ones based on the various variable-flavor-number (VFN) s"},"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":"1307.7258","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-07-27T13:18:00Z","cross_cats_sorted":[],"title_canon_sha256":"6a2f38aa9271bc7e1b1ac814cde9668b15a85162a8b7ef43f6c18977f97026b4","abstract_canon_sha256":"219d552d1be9d7652032e24d3bb76eb9ba4ae01b28aab3d6ed56b7c61c4f4903"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:17:23.771140Z","signature_b64":"AARnMb92aMj5KkOz+AMiLuIQKeoVGzMi9cFDX39IyxkEW9oRV28ycoiYSs6ZwiFjOd5wdTDM+GQ5sNtPs+ebBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29e407904cf1c8a588e7f0f05152ac6430ad46fcaf2755d610d74fc089465683","last_reissued_at":"2026-05-18T03:17:23.770663Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:17:23.770663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Heavy-quark production in deep-inelastic scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"J. Bl\\\"umlein, S. Alekhin, S. Moch","submitted_at":"2013-07-27T13:18:00Z","abstract_excerpt":"We report recent experimental and theoretical progress concerning the heavy-quark electro-production in the context of the ABM11 parton distribution function (PDF) fit. In the updated ABM11 analysis, including the recent combined HERA charm data, the MSbar-values of the c-quark mass m_c(m_c)=1.24 +- 0.03 (exp)\\,^{+0.03}_{-0.02}(scale)\\,^{+0.00}_{-0.07} (th) and m_c(m_c)=1.15\\, +- 0.04 (exp)\\,^{+0.04}_{-0.00} (scale) are determined at NNLO and NLO, respectively. 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