{
  "annotation_id": "2f6b1361-7b4c-4abe-a2fa-3fc6d2d9e95f",
  "date_created": "2026-02-17T05:53:16.071000Z",
  "date_modified": "2026-02-17T05:53:16.071000Z",
  "file_hash": "edb4c73b629da5fec11fd153310b46a193467c4b81fb952d4ff9d65c061e61a4",
  "private": false,
  "record": {
    "abstract": "The Light Dark Matter eXperiment (LDMX) is a proposed fixed-target missing momentum search for sub-GeV thermal relic dark matter. LDMX aims to probe thermal dark matter targets with 1016 electrons on target. Such an approach requires a high-repetition rate, low-current beam, with an average of one electron on target per event. These requirements are well-suited to the DArk Sector Experiments at LCLS-II (DASEL) facility, which will take advantage of the unused RF buckets between LCLS-II bunches to produce a well-defined low-current beam with a 26.9 ns bunch spacing. This document describes the results of a measurement of dark current in the Sector 30 transfer line (S30XL) of the LCLS-II beam, using a prototype of the LDMX trigger scintillator (TS) subsystem.",
    "arxiv_id": "2601.08090",
    "authors": [
      "Elizabeth Berzin",
      "Lene Kristian Bryngemark",
      "Robert Craig Group",
      "Joesph Kaminski",
      "Timothy Nelson",
      "Rory O\u0027Dwyer",
      "Jessica Pascadlo",
      "Emrys Peets",
      "Benjamin Reese",
      "Lauren Tompkins",
      "Kieran Wall",
      "Andrew Whitbeck"
    ],
    "categories": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "title": "Measurement of the LCLS-II dark current using the LDMX Trigger Scintillator Prototype",
    "url": "https://arxiv.org/abs/2601.08090",
    "version": "v1"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "dbc5b085-d58d-4702-bfeb-cce99307531b",
    "id": "arXiv Dataset",
    "type": "Model",
    "variant": "snapshot-2026-01-17",
    "version": "0.1.0"
  },
  "user_id": 1000002
}