{"paper":{"title":"New Exclusion Limit for Dark Photons from an SRF Cavity-Based Search (Dark SRF)","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph","physics.acc-ph"],"primary_cat":"hep-ex","authors_text":"A. Berlin, A. Grassellino, A. Hook, A. Romanenko, B. Giaccone, D. Frolov, O. Pronitchev, O. S. Melnychuk, R. Harnik, R. Pilipenko, S. Posen, T. Khabiboulline, Y. Pischalnikov, Z. Liu","submitted_at":"2023-01-27T03:15:12Z","abstract_excerpt":"We conduct the first ``light-shining-through-wall\" (LSW) search for dark photons using two state-of-the-art high quality-factor superconducting radio frequency (SRF) cavities and report the results of its pathfinder run. Our new experimental setup enables improvements in sensitivity over previous searches and covers new dark photon parameter space. We design delicate calibration and measurement protocols to utilize the high-$Q$ setup at Dark SRF. Using cavities operating at $1.3 \\ \\text{GHz}$, we establish a new exclusion limit for kinetic mixing as small as {$\\epsilon= 1.6\\times 10^{-9}$} and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.11512","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/2301.11512/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"}