{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:APY32S7CW2PG3FDGHQDDPDHZIK","short_pith_number":"pith:APY32S7C","schema_version":"1.0","canonical_sha256":"03f1bd4be2b69e6d94663c06378cf942900a1adf30c2b9648a1eba400058fc46","source":{"kind":"arxiv","id":"2211.08297","version":3},"attestation_state":"computed","paper":{"title":"Diffusion of muonic hydrogen in hydrogen gas and the measurement of the 1$s$ hyperfine splitting of muonic hydrogen","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.atom-ph","authors_text":"A. Adamczak, A. Antognini, A. Knecht, A. Ouf, A. Soter, C.A.O. Henriques, C.M.B. Monteiro, D. Goeldi, D. Taqqu, E. Rapisarda, F.D. Amaro, F. Kottmann, F. Nez, F. Wauters, J. Machado, J.M.F. dos Santos, J. Nuber, J.P. Santos, J.-T. Shy, J. Zhang, K. Kirch, K. Schuhmann, L. Affolter, L.-B. Wang, L.M.P. Fernandes, L. Sinkunaite, L. Sustelo, M. Abdou Ahmed, M. Ferro, M. Guerra, M. Hildebrandt, M. Marszalek, M. Zeyen, N. Paul, O. Kara, P. Amaro, P.A.O.C. Silva, P. Carvalho, P. Indelicato, P. Yzombard, R.D.P. Mano, R. Pohl, S. Rajamohanan, T. Graf, T.-L. Chen, T.W. H\\\"ansch, W.-L. Chen, Y.-H. Chang, Y.-W. Liu","submitted_at":"2022-11-15T16:51:05Z","abstract_excerpt":"The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen ($\\mu$p) with 1 ppm accuracy by means of pulsed laser spectroscopy. In the proposed experiment, the $\\mu$p atom is excited by a laser pulse from the singlet to the triplet hyperfine sub-levels, and is quenched back to the singlet state by an inelastic collision with a H$_2$ molecule. The resulting increase of kinetic energy after this cycle modifies the $\\mu$p atom diffusion in the hydrogen gas and the arrival time of the $\\mu$p atoms at the target walls. This laser-induced modifi"},"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":"2211.08297","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2022-11-15T16:51:05Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"1799a41433fc71088ae4330ab0e34bb7d1874de2c193a43cfdfed8467c1ad23c","abstract_canon_sha256":"08fb5d01117cd8f9343932e4730d83339116aa2c02f615cc36b1723d3422da09"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:13:17.478126Z","signature_b64":"XnDT7vJCKoF8K2lzbzHOTJ58JJZ8dfuOO414gfs5QJe8qVC6VloRcR98mJikHyM8ZynrmrWDZIl6npvqzzsfDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03f1bd4be2b69e6d94663c06378cf942900a1adf30c2b9648a1eba400058fc46","last_reissued_at":"2026-07-05T06:13:17.477533Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:13:17.477533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Diffusion of muonic hydrogen in hydrogen gas and the measurement of the 1$s$ hyperfine splitting of muonic hydrogen","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.atom-ph","authors_text":"A. Adamczak, A. Antognini, A. Knecht, A. Ouf, A. Soter, C.A.O. Henriques, C.M.B. Monteiro, D. Goeldi, D. Taqqu, E. Rapisarda, F.D. Amaro, F. Kottmann, F. Nez, F. Wauters, J. Machado, J.M.F. dos Santos, J. Nuber, J.P. Santos, J.-T. Shy, J. Zhang, K. Kirch, K. Schuhmann, L. Affolter, L.-B. Wang, L.M.P. Fernandes, L. Sinkunaite, L. Sustelo, M. Abdou Ahmed, M. Ferro, M. Guerra, M. Hildebrandt, M. Marszalek, M. Zeyen, N. Paul, O. Kara, P. Amaro, P.A.O.C. Silva, P. Carvalho, P. Indelicato, P. Yzombard, R.D.P. Mano, R. Pohl, S. Rajamohanan, T. Graf, T.-L. Chen, T.W. H\\\"ansch, W.-L. Chen, Y.-H. Chang, Y.-W. Liu","submitted_at":"2022-11-15T16:51:05Z","abstract_excerpt":"The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen ($\\mu$p) with 1 ppm accuracy by means of pulsed laser spectroscopy. In the proposed experiment, the $\\mu$p atom is excited by a laser pulse from the singlet to the triplet hyperfine sub-levels, and is quenched back to the singlet state by an inelastic collision with a H$_2$ molecule. The resulting increase of kinetic energy after this cycle modifies the $\\mu$p atom diffusion in the hydrogen gas and the arrival time of the $\\mu$p atoms at the target walls. This laser-induced modifi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.08297","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2211.08297/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2211.08297","created_at":"2026-07-05T06:13:17.477612+00:00"},{"alias_kind":"arxiv_version","alias_value":"2211.08297v3","created_at":"2026-07-05T06:13:17.477612+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.08297","created_at":"2026-07-05T06:13:17.477612+00:00"},{"alias_kind":"pith_short_12","alias_value":"APY32S7CW2PG","created_at":"2026-07-05T06:13:17.477612+00:00"},{"alias_kind":"pith_short_16","alias_value":"APY32S7CW2PG3FDG","created_at":"2026-07-05T06:13:17.477612+00:00"},{"alias_kind":"pith_short_8","alias_value":"APY32S7C","created_at":"2026-07-05T06:13:17.477612+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/APY32S7CW2PG3FDGHQDDPDHZIK","json":"https://pith.science/pith/APY32S7CW2PG3FDGHQDDPDHZIK.json","graph_json":"https://pith.science/api/pith-number/APY32S7CW2PG3FDGHQDDPDHZIK/graph.json","events_json":"https://pith.science/api/pith-number/APY32S7CW2PG3FDGHQDDPDHZIK/events.json","paper":"https://pith.science/paper/APY32S7C"},"agent_actions":{"view_html":"https://pith.science/pith/APY32S7CW2PG3FDGHQDDPDHZIK","download_json":"https://pith.science/pith/APY32S7CW2PG3FDGHQDDPDHZIK.json","view_paper":"https://pith.science/paper/APY32S7C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2211.08297&json=true","fetch_graph":"https://pith.science/api/pith-number/APY32S7CW2PG3FDGHQDDPDHZIK/graph.json","fetch_events":"https://pith.science/api/pith-number/APY32S7CW2PG3FDGHQDDPDHZIK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/APY32S7CW2PG3FDGHQDDPDHZIK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/APY32S7CW2PG3FDGHQDDPDHZIK/action/storage_attestation","attest_author":"https://pith.science/pith/APY32S7CW2PG3FDGHQDDPDHZIK/action/author_attestation","sign_citation":"https://pith.science/pith/APY32S7CW2PG3FDGHQDDPDHZIK/action/citation_signature","submit_replication":"https://pith.science/pith/APY32S7CW2PG3FDGHQDDPDHZIK/action/replication_record"}},"created_at":"2026-07-05T06:13:17.477612+00:00","updated_at":"2026-07-05T06:13:17.477612+00:00"}