{
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  "authors": [
    {
      "raw_name": "Dimitrios Karamitros", 
      "affiliations": [
        {
          "country": "UK", 
          "value": "Department of Physics and Astronomy, University of Manchester, Manchester, M13 9PL, United Kingdom"
        }, 
        {
          "country": "Finland", 
          "value": "Department of Physics, University of Jyv\u00e4skyl\u00e4, Jyv\u00e4skyl\u00e4, P.O. Box 35 (YFL), FIN-40014, Finland"
        }, 
        {
          "country": "Finland", 
          "value": "Helsinki Institute of Physics, University of Helsinki, Helsinki, P.O. Box 64, FIN-00014, Finland"
        }
      ], 
      "surname": "Karamitros", 
      "given_names": "Dimitrios", 
      "full_name": "Karamitros, Dimitrios"
    }, 
    {
      "raw_name": "Thomas McKelvey", 
      "affiliations": [
        {
          "country": "UK", 
          "value": "Department of Physics and Astronomy, University of Manchester, Manchester, M13 9PL, United Kingdom"
        }
      ], 
      "surname": "McKelvey", 
      "given_names": "Thomas", 
      "full_name": "McKelvey, Thomas"
    }, 
    {
      "raw_name": "Apostolos Pilaftsis", 
      "affiliations": [
        {
          "country": "UK", 
          "value": "Department of Physics and Astronomy, University of Manchester, Manchester, M13 9PL, United Kingdom"
        }
      ], 
      "surname": "Pilaftsis", 
      "given_names": "Apostolos", 
      "full_name": "Pilaftsis, Apostolos"
    }
  ], 
  "titles": [
    {
      "source": "APS", 
      "title": "Varying entropy degrees of freedom effects in low-scale leptogenesis"
    }
  ], 
  "dois": [
    {
      "value": "10.1103/PhysRevD.109.055007"
    }
  ], 
  "publication_info": [
    {
      "journal_volume": "109", 
      "journal_title": "Physical Review D", 
      "material": "article", 
      "journal_issue": "5", 
      "year": 2024
    }
  ], 
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    "date": "2024-03-06T00:30:16.679419", 
    "source": "APS", 
    "method": "APS", 
    "submission_number": "aa94d81cdb5011eea49c8e4864f4776e"
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  "page_nr": [
    24
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  "license": [
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      "url": "https://creativecommons.org/licenses/by/4.0/", 
      "license": "CC-BY-4.0"
    }
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  "copyright": [
    {
      "statement": "Published by the American Physical Society", 
      "year": "2024"
    }
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  "control_number": "83848", 
  "record_creation_date": "2024-03-05T18:30:26.507341", 
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      "primary": "HEP"
    }, 
    {
      "primary": "Citeable"
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    {
      "primary": "Published"
    }
  ], 
  "arxiv_eprints": [
    {
      "categories": [
        "hep-ph"
      ], 
      "value": "2310.03703"
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  ], 
  "abstracts": [
    {
      "source": "APS", 
      "value": "We analyze in detail the effect of varying entropy degrees of freedom on low-scale leptogenesis models. As an archetypal model, we consider the triresonant leptogensis (TRL) scenario introduced recently by the authors, where the neutrino-Yukawa coupling matrix is dictated by an approximate <math><msub><mi>Z</mi><mi>n</mi></msub></math> discrete symmetry (with <math><mi>n</mi><mo>=</mo><mn>3</mn></math>, 6). TRL models exhibit no preferred direction in the leptonic flavor space and have the remarkable feature that leptogenesis can successfully take place even if all light neutrinos are strictly massless up to one-loop order. Most interestingly, for TRL scenarios with heavy Majorana neutrinos lighter than 100 GeV, temperature varying degrees of freedom associated with the entropy of the plasma have a dramatic impact on the predictions of the baryon asymmetry in the Universe (BAU), and may depend on the freeze-out sphaleron temperature <math><msub><mi>T</mi><mrow><mi>sph</mi></mrow></msub></math>. We find that this is a generic feature of most freeze-out low-scale leptogenesis models discussed in the literature. In the same context, we consider heavy-neutrino scenarios realizing dynamics related to critical unstable qudits in the thermal plasma and assess their significance in generating the BAU. The phenomenological implications of TRL scenarios at the intensity and high-energy frontiers are analyzed."
    }
  ], 
  "imprints": [
    {
      "date": "2024-03-05", 
      "publisher": "APS"
    }
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}