{
  "annotation_id": "9d7055ed-a873-4d2c-b0bd-c4436d911c80",
  "date_created": "2026-03-02T18:00:25.215000Z",
  "date_modified": "2026-03-02T18:00:25.215000Z",
  "file_hash": "ebb7cc98d358f80afdb086f50b6e1e4d5b9c51c34805930a1e6e6fbd7cd5636d",
  "private": false,
  "record": {
    "abstract": "We suggest two methods for the detection of the formation of disoriented\nchiral condensates in heavy ion collisions. We show that the variance in the\nnumber of charged pions (in a suitable range of momentum space) provides a\nsignature for the observation of a disoriented chiral condensate. The signal\nshould be observable even if multiple domains of D$\\chi$C form provided the\naverage number of pions per domain is significantly larger than unity. The\nvariance of the number charged pions alone provides a signal which can be used\neven if the number of neutral pions cannot be measured in a given detector. On\nthe other hand, the probability distribution in $R$, the proportion of neutral\npions to all pions emitted in heavy ion collisions in certain kinematic\nregions, has been suggested as a signal of a disoriented chiral condensate.\nHere we note that the signature can be greatly enhanced by making suitable cuts\nin the data. In particular, we consider reducing the data set such that the $k$\npions with lowest $p_T$ are all neutral. We find that, given such cuts, $\u003cR\u003e$\ncan be substantially different from 1/3. For example, for a single D$\\chi$C\ndomain without contamination due to incoherently emitted pions, $\u003cR\u003e$ is 3/5\ngiven the pion with lowest $p_T$ is neutral, and 5/7 given the two pions with\nlowest $p_T$ are both neutral, {\\it etc.}. The effects of multi-domain D$\\chi$C\nformation and noise due to incoherent pion emission can be systematically\nincorporated. Potential applications to experiments and their limitations are\nbriefly discussed.",
    "arxiv_id": "nucl-th/9908013",
    "authors": [
      "Chi-Keung Chow",
      "Thomas D. Cohen"
    ],
    "categories": [
      "nucl-th",
      "hep-ph",
      "nucl-ex"
    ],
    "doi": "10.1103/PhysRevC.60.054902",
    "journal_ref": "Phys.Rev. C60 (1999) 054902",
    "title": "Looking For Disoriented Chiral Condensates From Pion Distributions",
    "url": "https://arxiv.org/abs/nucl-th/9908013"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "1f27dee4-79cf-4e96-b5bb-a20e1440ca35",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}