{
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  "authors": [
    {
      "raw_name": "Adulpravitchai, Adisorn", 
      "affiliations": [
        {
          "country": "Thailand", 
          "value": "Department of Physics, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand"
        }
      ], 
      "surname": "Adulpravitchai", 
      "given_names": "Adisorn", 
      "full_name": "Adulpravitchai, Adisorn"
    }, 
    {
      "raw_name": "Schmidt, Michael", 
      "affiliations": [
        {
          "country": "Australia", 
          "value": "ARC Centre of Excellence for Particle Physics at the Terascale, School of Physics, The University of Sydney, Sydney, NSW, 2006, Australia"
        }
      ], 
      "surname": "Schmidt", 
      "given_names": "Michael", 
      "full_name": "Schmidt, Michael"
    }
  ], 
  "titles": [
    {
      "source": "Springer/SISSA", 
      "title": "A fresh look at keV sterile neutrino dark matter from frozen-in scalars"
    }
  ], 
  "dois": [
    {
      "value": "10.1007/JHEP01(2015)006"
    }
  ], 
  "publication_info": [
    {
      "page_start": "006", 
      "material": "article", 
      "journal_title": "Journal of High Energy Physics", 
      "year": 2015
    }
  ], 
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    "date": "2015-01-08T00:00:00", 
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    "submission_number": "271906ca4c7c11e8b67702163e01809a"
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  "page_nr": [
    22
  ], 
  "license": [
    {
      "url": "http://creativecommons.org/licenses/by/4.0/", 
      "license": "CC-BY-4.0"
    }
  ], 
  "copyright": [
    {
      "statement": "The Author(s)"
    }
  ], 
  "control_number": "8722", 
  "record_creation_date": "2015-01-08T00:00:00", 
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  "arxiv_eprints": [
    {
      "categories": [
        "hep-ph", 
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  ], 
  "abstracts": [
    {
      "source": "Springer/SISSA", 
      "value": "Sterile neutrinos with a mass of a few keV can serve as cosmological warm dark matter. We study the production of keV sterile neutrinos in the early universe from the decay of a frozen-in scalar. Previous studies focused on heavy frozen-in scalars with masses above the Higgs mass leading to a hot spectrum for sterile neutrinos with masses below 8 \u2212 10 keV. Motivated by the recent hints for an X-ray line at 3.55 keV, we extend the analysis to lighter frozen-in scalars, which allow for a cooler spectrum. Below the electroweak phase transition, several qualitatively new channels start contributing. The most important ones are annihilation into electroweak vector bosons, particularly W -bosons as well as Higgs decay into pairs of frozen-in scalars when kinematically allowed."
    }
  ], 
  "imprints": [
    {
      "date": "2015-01-07", 
      "publisher": "Springer/SISSA"
    }
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}