{
  "annotation_id": "27f460f7-c73a-4863-8ad0-40a715c02368",
  "date_created": "2026-03-02T18:00:18.527000Z",
  "date_modified": "2026-03-02T18:00:18.527000Z",
  "file_hash": "95bc838a050be7bc424848f28ec4986ccbcf2bff4c32345dfdc0e3b882c60a86",
  "private": false,
  "record": {
    "abstract": "Particle and photon production is analyzed in the presence of transverse flow\nusing two approximations to describe the properties of the hadronic medium, one\ncontaining only $\\pi, \\rho, \\omega$, and $\\eta$ mesons (simplified equation of\nstate) and the other containing hadrons and resonances from the particle data\ntable. Both are considered with and without initial quark gluon plasma\nformation. In each case the initial temperature is fixed by requiring\n$dN_{ch}/dy \\sim$ 550 in the final state. It is shown that most observables are\nvery sensitive to the equation of state. This is particularly evident when\ncomparing the results of the simplified equation of state in the scenarios with\nand without phase transition. The hadronic gas scenario leads to a\nsubstantially higher rate for the $p_T$-distribution of all particles. In the\ncomplete equation of state with several hundreds of hadronic resonances, the\ndifference between the scenarios with and without phase transition is rather\nmodest. Both photon and particle spectra, in a wide $p_T$ range, show very\nsimilar behavior. It is therefore concluded that from the $p_T$ spectra it will\nbe hard to disentangle quark gluon plasma formation in the initial state. It is\nto be stressed however, that there are conceptual difficulties in applying a\npure hadronic gas equation of state at SPS-energies. The phase transition\nscenario with a quark gluon plasma present in the initial state seems to be the\nmore natural one.",
    "arxiv_id": "nucl-th/9611047",
    "authors": [
      "J. Cleymans",
      "K. Redlich",
      "D. Srivastava"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1103/PhysRevC.55.1431",
    "journal_ref": "Phys.Rev.C55:1431-1442,1997",
    "title": "Thermal Particle and Photon Production in Pb+Pb Collisions with   Transverse Flow",
    "url": "https://arxiv.org/abs/nucl-th/9611047"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "addd7a2f-0261-4c48-bc36-28a6d4725dbb",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}