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  "authors": [
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      "affiliations": [
        {
          "country": "Germany", 
          "value": "Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, Hamburg, 22607, Germany", 
          "organization": "Deutsches Elektronen-Synchrotron DESY"
        }
      ], 
      "surname": "Cridge", 
      "email": "thomas.cridge@desy.de", 
      "full_name": "Cridge, Thomas", 
      "given_names": "Thomas"
    }, 
    {
      "affiliations": [
        {
          "country": "UK", 
          "value": "Department of Physics and Astronomy, University of Sussex, Sussex House, Brighton, BN1 9RH, UK", 
          "organization": "University of Sussex"
        }
      ], 
      "surname": "Lim", 
      "email": "m.a.lim@sussex.ac.uk", 
      "full_name": "Lim, Matthew", 
      "given_names": "Matthew"
    }
  ], 
  "titles": [
    {
      "source": "Springer", 
      "title": "Constraining the top-quark mass within the global MSHT PDF fit"
    }
  ], 
  "dois": [
    {
      "value": "10.1140/epjc/s10052-023-11961-6"
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      "page_end": "17", 
      "journal_title": "European Physical Journal C", 
      "material": "article", 
      "journal_volume": "83", 
      "artid": "s10052-023-11961-6", 
      "year": 2023, 
      "page_start": "1", 
      "journal_issue": "9"
    }
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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": "2023"
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  "record_creation_date": "2023-09-11T06:30:08.183327", 
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      "value": "2306.14885"
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  "abstracts": [
    {
      "source": "Springer", 
      "value": "We examine the ability of experimental measurements of top-quark pair production to constrain both the top-quark mass and the strong coupling within the global MSHT parton distribution function (PDF) fit. Specifically, we consider ATLAS and CMS measurements of differential distributions taken at a centre-of-mass energy of 8 TeV, as well as  $$ t\\bar{t}$$  <math> <mrow> <mi>t</mi> <mover> <mrow> <mi>t</mi> </mrow> <mrow> <mo>\u00af</mo> </mrow> </mover> </mrow> </math>   total cross section data taken at a variety of experiments, and compare to theoretical predictions including next-to-next-to-leading order corrections. We find that supplementing the global fit with this additional information results in relatively strong constraints on the top-quark mass, and is also able to bound the strong coupling in a limited fashion. Our final result is  $$m_t=173.0\\pm 0.6~\\textrm{GeV}$$  <math> <mrow> <msub> <mi>m</mi> <mi>t</mi> </msub> <mo>=</mo> <mn>173.0</mn> <mo>\u00b1</mo> <mn>0.6</mn> <mspace width=\"3.33333pt\"></mspace> <mtext>GeV</mtext> </mrow> </math>   and is compatible with the world average pole mass extracted from cross section measurements of  $$172.5\\pm 0.7~\\textrm{GeV}$$  <math> <mrow> <mn>172.5</mn> <mo>\u00b1</mo> <mn>0.7</mn> <mspace width=\"3.33333pt\"></mspace> <mtext>GeV</mtext> </mrow> </math>   by the Particle Data Group. We also study the effect of different top-quark masses on the gluon parton distribution function, finding changes at high x which nonetheless lie within the large PDF uncertainties in this region."
    }
  ], 
  "imprints": [
    {
      "date": "2023-09-11", 
      "publisher": "Springer"
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