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  "authors": [
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          "country": "CERN", 
          "value": "Theoretical Physics Department, CERN, Geneva 23, 1211, Switzerland", 
          "organization": "CERN"
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      ], 
      "surname": "Maleknejad", 
      "email": "azadeh.maleknejad@cern.ch", 
      "full_name": "Maleknejad, Azadeh", 
      "given_names": "Azadeh"
    }
  ], 
  "titles": [
    {
      "source": "Springer", 
      "title": "Chiral anomaly in SU(2) R -axion inflation and the new prediction for particle cosmology"
    }
  ], 
  "dois": [
    {
      "value": "10.1007/JHEP06(2021)113"
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      "page_end": "48", 
      "journal_title": "Journal of High Energy Physics", 
      "material": "article", 
      "journal_volume": "2021", 
      "artid": "JHEP06(2021)113", 
      "year": 2021, 
      "page_start": "1", 
      "journal_issue": "6"
    }
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    "submission_number": "f8313adc1c6911ecb53772fd3742099d"
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  "page_nr": [
    48
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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": [
    {
      "holder": "The Author(s)", 
      "year": "2021"
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  "abstracts": [
    {
      "source": "Springer", 
      "value": "Upon embedding the axion-inflation in the minimal left-right symmetric gauge extension of the SM with gauge group SU(2) L  \u00d7 SU(2) R  \u00d7 U(1)B\u2212L, [1] proposed a new particle physics model for inflation. In this work, we present a more detailed analysis. As a compelling consequence, this setup provides a new mechanism for simultaneous baryogenesis and right-handed neutrino creation by the chiral anomaly of W  R  in inflation. The lightest right-handed neutrino is the dark matter candidate. This setup has two unknown fundamental scales, i.e., the scale of inflation and left-right symmetry breaking SU(2) R  \u00d7 U(1)B\u2212L \u2192 U(1) Y . Sufficient matter creation demands the left-right symmetry breaking scale happens shortly after the end of inflation. Interestingly, it prefers left-right symmetry breaking scales above 1010 GeV, which is in the range suggested by the non-supersymmetric SO(10) Grand Unified Theory with an intermediate left-right symmetry scale. Although W  R  gauge field generates equal amounts of right-handed baryons and leptons in inflation, i.e. B \u2212 L = 0, in the Standard Model sub-sector B \u2212 LSM \u2260 0. A key aspect of this setup is that SU(2) R  sphalerons are never in equilibrium, and the primordial B \u2212 LSM is conserved by the Standard Model interactions. This setup yields a deep connection between CP violation in physics of inflation and matter creation (visible and dark); hence it can naturally explain the observed coincidences among cosmological parameters, i.e., \u03b7 B \u2243 0.3P  \u03b6  and \u03a9DM \u2243 5\u03a9B. The new mechanism does not rely on the largeness of the unconstrained CP-violating phases in the neutrino sector nor fine-tuned masses for the heaviest right-handed neutrinos. The SU(2) R -axion inflation comes with a cosmological smoking gun; chiral, non-Gaussian, and blue-tilted gravitational wave background, which can be probed by future CMB missions and laser interferometer detectors."
    }
  ], 
  "imprints": [
    {
      "date": "2021-06-17", 
      "publisher": "Springer"
    }
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