{"paper":{"title":"Ly$\\alpha$ Escape in JWST/NIRCam F430M-Selected H$\\alpha$ Emitters at $z\\simeq5.5$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Cheng cheng, Chunyan Jiang, Edo Ibar, Fang-Ting Yuan, Fengwu Sun, Haojing Yan, Jia-Sheng Huang, Juan Molina, Malte Brinch, Xin Wang, Zhen-Ya Zheng","submitted_at":"2026-07-28T14:47:56Z","abstract_excerpt":"We study the Ly$\\alpha$ escape fraction ($f_{\\rm esc}$) in an H$\\alpha$-selected sample of star-forming galaxies at $z\\simeq5.5$, identified via JWST/NIRCam F430M excess and covered by archival VLT/MUSE data. By anchoring the intrinsic Ly$\\alpha$ production to H$\\alpha$ emission, our approach provides a direct and Ly$\\alpha$-unbiased probe of the escape of Ly$\\alpha$ photons in galaxies with SFR $\\gtrsim 0.1\\,M_\\odot\\,{\\rm yr^{-1}}$ at this epoch. Ly$\\alpha$ emission is detected in 3 out of 12 galaxies covered by VLT/MUSE. Combining detections and upper limits, we place a conservative upper bo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.25801","kind":"arxiv","version":1},"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/2607.25801/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"}