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To this end, we assume a two-body cluster structure for $^6$Li and $^7_{\\Lambda}{\\rm Li}$, and employ the few-body treatment of the Glauber theory, that is beyond the well known optical limit approximation. We show that the reaction cross section for $^7_{\\Lambda}{\\rm Li}$ is smaller than that for $^6$Li by about 4\\%, reflecting the shrinkage effect of the $\\Lambda$ particle."},"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":"1309.3016","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-09-12T02:04:18Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"c98f0724c6e6c3ee7dbe8c8f1ce640571fedc1b86667528f4552f5abbd5ce09e","abstract_canon_sha256":"6bd053c191fd2bc9dcd1cd3e5d13402a6a03d0e374f69071fad2ba61c55cd4c2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:42.897875Z","signature_b64":"CeGTJLn0VnPc/Y+hBkcm2okDdFSs4l5KwsnUERjBqi3PLhhThPgJlmU0xJM1zK/NGtCGUgUOB8nhnV2uQDk8Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9908d004d23edd05a16636b52ddf6263ebc54aa8826557f91e60898dda682cc6","last_reissued_at":"2026-05-18T01:47:42.897418Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:42.897418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Reaction cross sections of hypernuclei and the shrinkage effect","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"K. 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