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We focus on the ratio of ${\\cal R}(\\theta_c) \\equiv {\\cal B}( \\Xi_{cc} \\to \\Xi_c' e^+ \\nu_e)/ {\\cal B}( \\Xi_{cc} \\to \\Xi_c e^+ \\nu_e) $ and find that $({\\cal R}(\\theta_0),{\\cal R}(- \\theta_0)) =(0.46 \\pm 0.01,7.33 \\pm 0.23)$ with $\\theta_0 = 0.137\\pi$, which are in sharp contrast to ${\\cal R}(0)=2.15\\pm0.11$ without the mixing. The ratio is enhanced~(suppressed) by a factor of four for a negative~(positive) $\\theta_c$. In addition, the polarization asymmetries of $\\Xi_c^{(\\prime)}$ ar"},"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":"2212.02971","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2022-12-06T13:42:50Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"ed7b13f691652edf67ede6149e0e059c31f53a51b1a7b2dc79dba947461b7ab8","abstract_canon_sha256":"243bb2cf3c0e17a111d59e1e1e4732033e6238b4f2f138f2e992de74bcbef35d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:58:01.558680Z","signature_b64":"OAsFjL5BAKCYfG4gzqLuJZ8qZzIFfdZ4lLcQcWltsMVdnsihr20ogJkyb3Fapym8d69R/gmS9nYIfykg5qSYDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"efc493b4f3f203f06a4c3ea57d0cb2d183469feb5199ae200dd8e684a3e2a076","last_reissued_at":"2026-07-05T05:58:01.558166Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:58:01.558166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Semileptonic decays of doubly charmed baryons with $\\Xi_c-\\Xi_c'$ mixing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Ao-Wen Zhou, Chao-Qiang Geng, Chia-Wei Liu, Xian-Nan Jin, Xiao Yu","submitted_at":"2022-12-06T13:42:50Z","abstract_excerpt":"We study the $\\Xi_c- \\Xi_c'$ mixing effects in the semileptonic decays the doubly charm baryons of $\\Xi_{cc}$. We focus on the ratio of ${\\cal R}(\\theta_c) \\equiv {\\cal B}( \\Xi_{cc} \\to \\Xi_c' e^+ \\nu_e)/ {\\cal B}( \\Xi_{cc} \\to \\Xi_c e^+ \\nu_e) $ and find that $({\\cal R}(\\theta_0),{\\cal R}(- \\theta_0)) =(0.46 \\pm 0.01,7.33 \\pm 0.23)$ with $\\theta_0 = 0.137\\pi$, which are in sharp contrast to ${\\cal R}(0)=2.15\\pm0.11$ without the mixing. The ratio is enhanced~(suppressed) by a factor of four for a negative~(positive) $\\theta_c$. 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