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We obtained high-resolution spectra of our giant stars using the FLAMES-UVES spectrograph on the Very Large Telescope. We inspected four bulge fields along the minor axis. Results. We measure the chemical evolution of heavy elements, as a function of metallicity, in the Galactic bulge. Conclusions. The [Ba, La, Ce, Nd/Fe] vs. [Fe/H] ratios decrease with increasing metallicity, in whic"},"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":"1511.03919","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-12T15:08:31Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"be2fdbf920ea5b4ff0861b43461cad3554bafa416f56425f6e8c8116ec9fb006","abstract_canon_sha256":"2190f61a8cd24dafd29758e5f660c655bba809b540611982c377203ec374b897"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:33.200270Z","signature_b64":"XBwjVnR/J+DGDD1keWqWqsX6pYgrr0u+BYVfgufy64LLUNaPhZ9pM8Kw0FflGi4vUH4jbwDyjZdRxxkWi1lBCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8cc4255d6e1f702f9978089733a0d629383ea6a299fefda31778be4ebc96442","last_reissued_at":"2026-05-18T01:22:33.199875Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:33.199875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Heavy elements Ba, La, Ce, Nd, and Eu in 56 Galactic bulge red giants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. 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