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The EM operator is renormalized non-perturbatively in the RI'/MOM scheme and our simulations cover pion masses as light as 260 MeV and three values of the lattice spacing, ranging from ~ 0.07 up to ~ 0.1 fm. At the physical point our preliminary result for the K -> pion tensor form factor at zero-momentum transfer is fT[K\\pi](0) = 0.42(2_stat), which differs significantly from the old quenched resu"},"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":"1102.4200","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2011-02-21T12:03:14Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"5f6402312394d0774772b5a75490e7d6e02055fda1ecb67346edd9dfbe509a8e","abstract_canon_sha256":"b07a6d6dbb34857d10766941d6154286c2e44d1fcf683a3e23d153e388e4c179"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:28:18.791633Z","signature_b64":"uWl5hmv0Qp8f9JgwbiW9f4olyxB8bOEKTeq9JU2qWDdoBsVtm1U1nCHnR980FXC2LoqY92f8rJWhuvwnH4lRAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ffb374667b20b99b77978d58c486a96f53078d5b471d3e554d8573181d3c7ff","last_reissued_at":"2026-05-18T04:28:18.790907Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:28:18.790907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Matrix elements of the electromagnetic operator between kaon and pion states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"G. 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