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  "authors": [
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      "affiliations": [
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          "country": "Belgium", 
          "value": "Center for Cosmology, Particle Physics and Phenomenology (CP3), Universit\u00e9 Catholique de Louvain, Chemin du Cyclotron 2, Louvain-La-Neuve, 1348, Belgium", 
          "organization": "Universit\u00e9 Catholique de Louvain"
        }
      ], 
      "surname": "Abreu", 
      "email": "samuel.abreu@uclouvain.be", 
      "full_name": "Abreu, Samuel", 
      "given_names": "Samuel"
    }, 
    {
      "affiliations": [
        {
          "country": "Belgium", 
          "value": "Center for Cosmology, Particle Physics and Phenomenology (CP3), Universit\u00e9 Catholique de Louvain, Chemin du Cyclotron 2, Louvain-La-Neuve, 1348, Belgium", 
          "organization": "Universit\u00e9 Catholique de Louvain"
        }
      ], 
      "surname": "Becchetti", 
      "email": "matteo.becchetti@uclouvain.be", 
      "full_name": "Becchetti, Matteo", 
      "given_names": "Matteo"
    }, 
    {
      "affiliations": [
        {
          "country": "CERN", 
          "value": "Theoretical Physics Department, CERN, Geneva, Switzerland", 
          "organization": "CERN"
        }
      ], 
      "surname": "Duhr", 
      "email": "claude.duhr@cern.ch", 
      "full_name": "Duhr, Claude", 
      "given_names": "Claude"
    }, 
    {
      "affiliations": [
        {
          "country": "UK", 
          "value": "IPPP, Department of Physics, Durham University, South Rd, Durham, DH1 3LE, U.K.", 
          "organization": "Durham University"
        }
      ], 
      "surname": "Marzucca", 
      "email": "robin.marzucca@durham.ac.uk", 
      "full_name": "Marzucca, Robin", 
      "given_names": "Robin"
    }
  ], 
  "titles": [
    {
      "source": "Springer", 
      "title": "Three-loop contributions to the \u03c1 parameter and iterated integrals of modular forms"
    }
  ], 
  "dois": [
    {
      "value": "10.1007/JHEP02(2020)050"
    }
  ], 
  "publication_info": [
    {
      "page_end": "38", 
      "journal_title": "Journal of High Energy Physics", 
      "material": "article", 
      "journal_volume": "2020", 
      "artid": "JHEP02(2020)050", 
      "year": 2020, 
      "page_start": "1", 
      "journal_issue": "2"
    }
  ], 
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    "source": "Springer", 
    "method": "Springer", 
    "submission_number": "cd5d2ec6adb311eba0e30a580a641584"
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  "page_nr": [
    38
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  "license": [
    {
      "url": "https://creativecommons.org/licenses//by/4.0", 
      "license": "CC-BY-4.0"
    }
  ], 
  "copyright": [
    {
      "holder": "The Author(s)", 
      "year": "2021"
    }
  ], 
  "control_number": "52564", 
  "record_creation_date": "2020-02-08T10:30:21.644433", 
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      "primary": "Journal of High Energy Physics"
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  "arxiv_eprints": [
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      "categories": [
        "hep-th"
      ], 
      "value": "1912.02747"
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  ], 
  "abstracts": [
    {
      "source": "Springer", 
      "value": "We compute fully analytic results for the three-loop diagrams involving two different massive quark flavours contributing to the \u03c1 parameter in the Standard Model. We find that the results involve exactly the same class of functions that appears in the well-known sunrise and banana graphs, namely elliptic polylogarithms and iterated integrals of modular forms. Using recent developments in the understanding of these functions, we analytically continue all the iterated integrals of modular forms to all regions of the parameter space, and in each region we obtain manifestly real and fast-converging series expansions for these functions."
    }
  ], 
  "imprints": [
    {
      "date": "2020-02-07", 
      "publisher": "Springer"
    }
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}