{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:LOI5T2SJCKQXPETCYBAPCRIBWG","short_pith_number":"pith:LOI5T2SJ","schema_version":"1.0","canonical_sha256":"5b91d9ea4912a1779262c040f14501b1b6d6e69f39ee4dccc1e7236379cbb548","source":{"kind":"arxiv","id":"1307.1823","version":2},"attestation_state":"computed","paper":{"title":"Instabilities Driven by the Drift and Temperature Anisotropy of Alpha Particles in the Solar Wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","physics.plasm-ph"],"primary_cat":"physics.space-ph","authors_text":"Benjamin D. G. Chandran, Daniel Verscharen, Sofiane Bourouaine","submitted_at":"2013-07-07T00:07:06Z","abstract_excerpt":"We investigate the conditions under which parallel-propagating Alfv\\'en/ion-cyclotron (A/IC) waves and fast-magnetosonic/whistler (FM/W) waves are driven unstable by the differential flow and temperature anisotropy of alpha particles in the solar wind. We focus on the limit in which $w_{\\parallel \\alpha} \\gtrsim 0.25 v_{\\mathrm A}$, where $w_{\\parallel \\alpha} $ is the parallel alpha-particle thermal speed and $v_{\\mathrm A}$ is the Alfv\\'en speed. We derive analytic expressions for the instability thresholds of these waves, which show, e.g., how the minimum unstable alpha-particle beam speed "},"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":"1307.1823","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2013-07-07T00:07:06Z","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph"],"title_canon_sha256":"6536c6c73aaf62180cd7f7b4c442dda8a486cbeaad8da70cd0aa16f50b9fc118","abstract_canon_sha256":"66776c092bf30c9e502491a1e5bb61d495227586f121f354629fc6a775871172"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:16:40.006158Z","signature_b64":"SRbpBWgR65VWMA5oBS9qePgvlUxlYUHhK8PI1VENHHh/RDAjToP6j8o45VfebmySE2urxe6x+AttIn78pbJoDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b91d9ea4912a1779262c040f14501b1b6d6e69f39ee4dccc1e7236379cbb548","last_reissued_at":"2026-05-18T03:16:40.005455Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:16:40.005455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Instabilities Driven by the Drift and Temperature Anisotropy of Alpha Particles in the Solar Wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","physics.plasm-ph"],"primary_cat":"physics.space-ph","authors_text":"Benjamin D. G. Chandran, Daniel Verscharen, Sofiane Bourouaine","submitted_at":"2013-07-07T00:07:06Z","abstract_excerpt":"We investigate the conditions under which parallel-propagating Alfv\\'en/ion-cyclotron (A/IC) waves and fast-magnetosonic/whistler (FM/W) waves are driven unstable by the differential flow and temperature anisotropy of alpha particles in the solar wind. We focus on the limit in which $w_{\\parallel \\alpha} \\gtrsim 0.25 v_{\\mathrm A}$, where $w_{\\parallel \\alpha} $ is the parallel alpha-particle thermal speed and $v_{\\mathrm A}$ is the Alfv\\'en speed. We derive analytic expressions for the instability thresholds of these waves, which show, e.g., how the minimum unstable alpha-particle beam speed "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.1823","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":"1307.1823","created_at":"2026-05-18T03:16:40.005558+00:00"},{"alias_kind":"arxiv_version","alias_value":"1307.1823v2","created_at":"2026-05-18T03:16:40.005558+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.1823","created_at":"2026-05-18T03:16:40.005558+00:00"},{"alias_kind":"pith_short_12","alias_value":"LOI5T2SJCKQX","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_16","alias_value":"LOI5T2SJCKQXPETC","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_8","alias_value":"LOI5T2SJ","created_at":"2026-05-18T12:27:51.066281+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/LOI5T2SJCKQXPETCYBAPCRIBWG","json":"https://pith.science/pith/LOI5T2SJCKQXPETCYBAPCRIBWG.json","graph_json":"https://pith.science/api/pith-number/LOI5T2SJCKQXPETCYBAPCRIBWG/graph.json","events_json":"https://pith.science/api/pith-number/LOI5T2SJCKQXPETCYBAPCRIBWG/events.json","paper":"https://pith.science/paper/LOI5T2SJ"},"agent_actions":{"view_html":"https://pith.science/pith/LOI5T2SJCKQXPETCYBAPCRIBWG","download_json":"https://pith.science/pith/LOI5T2SJCKQXPETCYBAPCRIBWG.json","view_paper":"https://pith.science/paper/LOI5T2SJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1307.1823&json=true","fetch_graph":"https://pith.science/api/pith-number/LOI5T2SJCKQXPETCYBAPCRIBWG/graph.json","fetch_events":"https://pith.science/api/pith-number/LOI5T2SJCKQXPETCYBAPCRIBWG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LOI5T2SJCKQXPETCYBAPCRIBWG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LOI5T2SJCKQXPETCYBAPCRIBWG/action/storage_attestation","attest_author":"https://pith.science/pith/LOI5T2SJCKQXPETCYBAPCRIBWG/action/author_attestation","sign_citation":"https://pith.science/pith/LOI5T2SJCKQXPETCYBAPCRIBWG/action/citation_signature","submit_replication":"https://pith.science/pith/LOI5T2SJCKQXPETCYBAPCRIBWG/action/replication_record"}},"created_at":"2026-05-18T03:16:40.005558+00:00","updated_at":"2026-05-18T03:16:40.005558+00:00"}