{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:7KWI3IE7UVWMAJJCRIBEPYOUIN","short_pith_number":"pith:7KWI3IE7","schema_version":"1.0","canonical_sha256":"faac8da09fa56cc025228a0247e1d44359e1b67a3a70cc963726b383a9737436","source":{"kind":"arxiv","id":"1801.03790","version":2},"attestation_state":"computed","paper":{"title":"Impenetrable barriers for positrons in neighbourhood of superheavy nuclei with $Z>118$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"physics.gen-ph","authors_text":"V.P.Neznamov","submitted_at":"2018-01-10T18:25:20Z","abstract_excerpt":"Analysis of quantum mechanical motion of charged half-spin particles in the repulsive Coulomb field by means of second-order equation results in that an impenetrable potential barrier not explored earlier was found. For a particle at rest with a reduced mass $m$, the barrier radius is equal to half classical radius: the barrier radius decreases with increase in the particle energy. For the stable and quasi-stable nuclei with $Z>118$, presence of an impenetrable barrier as $\\beta^{+}$-decay leads to the existence of \"traps\" for positrons in the neighbourhood of nuclei and as $Z_{cr}\\simeq170$ ("},"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":"1801.03790","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2018-01-10T18:25:20Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"3828c3ad5c073b076bb2daa745d4f36ec8f81fdd192f5ce8b7c733f2030f627a","abstract_canon_sha256":"6a6722b725c3d2e10299d5bb1dc0ed8935d428258b7c6fb6b1b1fd846b6cf888"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:50.654570Z","signature_b64":"DQiLhCCmI6sMpkUPlX6z88nPD8sdsXznB40Tf22CPI18Vl0V2Whk1dvd/DPv70pcCqtOjoEt0jCjrwnthEfPAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"faac8da09fa56cc025228a0247e1d44359e1b67a3a70cc963726b383a9737436","last_reissued_at":"2026-05-18T00:25:50.653867Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:50.653867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Impenetrable barriers for positrons in neighbourhood of superheavy nuclei with $Z>118$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"physics.gen-ph","authors_text":"V.P.Neznamov","submitted_at":"2018-01-10T18:25:20Z","abstract_excerpt":"Analysis of quantum mechanical motion of charged half-spin particles in the repulsive Coulomb field by means of second-order equation results in that an impenetrable potential barrier not explored earlier was found. For a particle at rest with a reduced mass $m$, the barrier radius is equal to half classical radius: the barrier radius decreases with increase in the particle energy. For the stable and quasi-stable nuclei with $Z>118$, presence of an impenetrable barrier as $\\beta^{+}$-decay leads to the existence of \"traps\" for positrons in the neighbourhood of nuclei and as $Z_{cr}\\simeq170$ ("},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03790","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1801.03790","created_at":"2026-05-18T00:25:50.653960+00:00"},{"alias_kind":"arxiv_version","alias_value":"1801.03790v2","created_at":"2026-05-18T00:25:50.653960+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03790","created_at":"2026-05-18T00:25:50.653960+00:00"},{"alias_kind":"pith_short_12","alias_value":"7KWI3IE7UVWM","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_16","alias_value":"7KWI3IE7UVWMAJJC","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_8","alias_value":"7KWI3IE7","created_at":"2026-05-18T12:32:11.075285+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7KWI3IE7UVWMAJJCRIBEPYOUIN","json":"https://pith.science/pith/7KWI3IE7UVWMAJJCRIBEPYOUIN.json","graph_json":"https://pith.science/api/pith-number/7KWI3IE7UVWMAJJCRIBEPYOUIN/graph.json","events_json":"https://pith.science/api/pith-number/7KWI3IE7UVWMAJJCRIBEPYOUIN/events.json","paper":"https://pith.science/paper/7KWI3IE7"},"agent_actions":{"view_html":"https://pith.science/pith/7KWI3IE7UVWMAJJCRIBEPYOUIN","download_json":"https://pith.science/pith/7KWI3IE7UVWMAJJCRIBEPYOUIN.json","view_paper":"https://pith.science/paper/7KWI3IE7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1801.03790&json=true","fetch_graph":"https://pith.science/api/pith-number/7KWI3IE7UVWMAJJCRIBEPYOUIN/graph.json","fetch_events":"https://pith.science/api/pith-number/7KWI3IE7UVWMAJJCRIBEPYOUIN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7KWI3IE7UVWMAJJCRIBEPYOUIN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7KWI3IE7UVWMAJJCRIBEPYOUIN/action/storage_attestation","attest_author":"https://pith.science/pith/7KWI3IE7UVWMAJJCRIBEPYOUIN/action/author_attestation","sign_citation":"https://pith.science/pith/7KWI3IE7UVWMAJJCRIBEPYOUIN/action/citation_signature","submit_replication":"https://pith.science/pith/7KWI3IE7UVWMAJJCRIBEPYOUIN/action/replication_record"}},"created_at":"2026-05-18T00:25:50.653960+00:00","updated_at":"2026-05-18T00:25:50.653960+00:00"}