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    {
      "affiliations": [
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          "country": "USA", 
          "value": "Department of Physics and Astronomy, University of Kansas, Lawrence, KS, 66045, U.S.A.", 
          "organization": "University of Kansas"
        }, 
        {
          "country": "Saudi Arabia", 
          "value": "Department of Physics, Jazan University, Jazan, 45142, Saudi Arabia", 
          "organization": "Jazan University"
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      ], 
      "surname": "Alhazmi", 
      "email": "haider@ku.edu", 
      "full_name": "Alhazmi, Haider", 
      "given_names": "Haider"
    }, 
    {
      "affiliations": [
        {
          "country": "USA", 
          "value": "Department of Physics and Astronomy, University of Kansas, Lawrence, KS, 66045, U.S.A.", 
          "organization": "University of Kansas"
        }
      ], 
      "surname": "Kim", 
      "email": "jeonghan.kim@ku.edu", 
      "full_name": "Kim, Jeong", 
      "given_names": "Jeong"
    }, 
    {
      "affiliations": [
        {
          "country": "USA", 
          "value": "Department of Physics and Astronomy, University of Kansas, Lawrence, KS, 66045, U.S.A.", 
          "organization": "University of Kansas"
        }
      ], 
      "surname": "Kong", 
      "email": "kckong@ku.edu", 
      "full_name": "Kong, Kyoungchul", 
      "given_names": "Kyoungchul"
    }, 
    {
      "affiliations": [
        {
          "country": "USA", 
          "value": "Department of Physics and Astronomy, University of Kansas, Lawrence, KS, 66045, U.S.A.", 
          "organization": "University of Kansas"
        }
      ], 
      "surname": "Lewis", 
      "email": "ian.lewis@ku.edu", 
      "full_name": "Lewis, Ian", 
      "given_names": "Ian"
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  "titles": [
    {
      "source": "Springer", 
      "title": "Shedding light on top partner at the LHC"
    }
  ], 
  "collections": [
    {
      "primary": "Journal of High Energy Physics"
    }
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      "value": "10.1007/JHEP01(2019)139"
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  "publication_info": [
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      "journal_title": "Journal of High Energy Physics", 
      "material": "article", 
      "journal_volume": "2019", 
      "year": 2019, 
      "page_start": "1", 
      "journal_issue": "1"
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  "abstracts": [
    {
      "source": "Springer", 
      "value": "We investigate the sensitivity of the 14 TeV LHC to pair-produced top partners (T) decaying into the Standard Model top quark (t) plus either a gluon (g) or a photon (\u03b3). The decays T \u2192 tg and T \u2192 t\u03b3 can be dominant when the mixing between the top partner and top quark are negligible. In this case, the conventional decays T \u2192 bW , T \u2192 tZ, and T \u2192 th are highly suppressed and can be neglected. We take a model-independent approach using effective operators for the T -t-g and T -t-\u03b3 interactions, considering both spin-   <math> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </math>  $$ \\frac{1}{2} $$  and spin-   <math> <mfrac> <mn>3</mn> <mn>2</mn> </mfrac> </math>  $$ \\frac{3}{2} $$  top partners. We perform a semi-realistic simulation with boosted top quark tagging and an appropriate implementation of a jet-faking-photon rate. Despite a simple dimensional analysis indicating that the branching ratios BR(T \u2192 t\u03b3) \u226a BR(T \u2192 tg) due to the electric-magnetic coupling being much smaller than the strong force coupling, our study shows that the LHC sensitivity to   <math> <mi>T</mi> <mover> <mi>T</mi> <mo>\u00af</mo> </mover> <mo>\u2192</mo> <mi>t</mi> <mover> <mi>t</mi> <mo>\u00af</mo> </mover> <mi>\u03b3</mi> <mi>g</mi> </math>  $$ T\\overline{T}\\to t\\overline{t}\\gamma g $$  is more significant than the sensitivity to   <math> <mi>T</mi> <mover> <mi>T</mi> <mo>\u00af</mo> </mover> <mo>\u2192</mo> <mi>t</mi> <mover> <mi>t</mi> <mo>\u00af</mo> </mover> <mi>gg</mi> </math>  $$ T\\overline{T}\\to t\\overline{t} gg $$ . This is due to much smaller backgrounds attributed to the isolated high-p  T  photon. We find that with these decay channels and 3 ab\u22121 of data, the LHC is sensitive to top partner masses m  T  \u2272 1.4-1.8 TeV for spin-   <math> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </math>  $$ \\frac{1}{2} $$  and spin-   <math> <mfrac> <mn>3</mn> <mn>2</mn> </mfrac> </math>  $$ \\frac{3}{2} $$  top partners, respectively."
    }
  ], 
  "imprints": [
    {
      "date": "2019-01-16", 
      "publisher": "Springer"
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    "submission_number": "635b1bde1c3111e9bf0c02163e01809a"
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