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By comparing the observed levels and their strengths under neutron excitation with the theoretical spectrum and neutron excitation intensities, we identify the Pr$^{3+}$ CEF levels, and show that the ground state is a magnetic $\\Gamma_4^{(2)}$ triplet, and the excited states $\\Gamma_1$, $\\Gamma_4^{(1)}$ and $\\Gamma_{23}$ are at 0.4, 13 and 23 meV, respectively. A comparison of the observed CEF levels in PrOs$_4$As$_{12}$ with the heavy fermion superconduct"},"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":"0802.2539","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-02-19T00:12:13Z","cross_cats_sorted":[],"title_canon_sha256":"46392dac7ed1a283bbc72fc3259782a568d645bf423cd4fcdeaee0873c370cdc","abstract_canon_sha256":"02c955d6ae5ab75581f7e57f816a796477b438a2b6cfdc99ac6420ccd119ca44"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:15:18.683091Z","signature_b64":"95atWsCheepvW+mgQEAWX22+TI8HS5raiSAuub2kTXoMelvhVf12OkYluXDjNrnwBy/Dphxc528pMP8GATaFBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b80b08298d4313c7a14258a90133768dbd3b4aa71d141ab1b0442a5116357e56","last_reissued_at":"2026-07-04T15:15:18.682647Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:15:18.682647Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Inelastic neutron scattering studies of Crystal Field Levels in PrOs$_4$As$_{12}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. 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