Production and Decay of Up-Type and Down-Type New Heavy Quarks through Anomalous Interactions at the LHC

We study the process <math id="M1" xmlns="http://www.w3.org/1998/Math/MathML"><mi>p</mi><mi>p</mi><mo>→</mo><mi>Q</mi><mi>V</mi><mo>+</mo><mi>X</mi></math> (where <math id="M2" xmlns="http://www.w3.org/1998/Math/MathML"><mi>Q</mi><mo>=</mo><mi>t</mi><mo>,</mo><mi>b</mi></math> and <math id="M3" xmlns="http://www.w3.org/1998/Math/MathML"><mi>V</mi><mo>=</mo><mi>g</mi><mo>,</mo><mi>γ</mi><mo>,</mo></math> and <math id="M4" xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mi>Z</mi></mrow></math> ) through the anomalous interactions of the new heavy quarks at the LHC. Considering the present limits on the masses and mixings, the signatures of the heavy quark anomalous interactions are discussed and analysed at the LHC for the center of mass energy of 13 TeV. An important sensitivity to anomalous couplings <math id="M5" xmlns="http://www.w3.org/1998/Math/MathML"><msubsup><mrow><mi>κ</mi></mrow><mrow><mi>g</mi></mrow><mrow><msup><mrow><mi>t</mi></mrow><mrow><mi mathvariant="normal">′</mi></mrow></msup></mrow></msubsup><mo>/</mo><mi mathvariant="normal">Λ</mi><mo>=</mo><mn>0.10</mn></math> TeV−1, <math id="M6" xmlns="http://www.w3.org/1998/Math/MathML"><msubsup><mrow><mi>κ</mi></mrow><mrow><mi>γ</mi></mrow><mrow><msup><mrow><mi>t</mi></mrow><mrow><mi mathvariant="normal">′</mi></mrow></msup></mrow></msubsup><mo>/</mo><mi mathvariant="normal">Λ</mi><mo>=</mo><mn>0.14</mn></math> TeV−1, <math id="M7" xmlns="http://www.w3.org/1998/Math/MathML"><msubsup><mrow><mi>κ</mi></mrow><mrow><mi>Z</mi></mrow><mrow><msup><mrow><mi>t</mi></mrow><mrow><mi mathvariant="normal">′</mi></mrow></msup></mrow></msubsup><mo>/</mo><mi mathvariant="normal">Λ</mi><mo>=</mo><mn>0.19</mn></math> TeV−1 and <math id="M8" xmlns="http://www.w3.org/1998/Math/MathML"><msubsup><mrow><mi>κ</mi></mrow><mrow><mi>g</mi></mrow><mrow><msup><mrow><mi>b</mi></mrow><mrow><mi mathvariant="normal">′</mi></mrow></msup></mrow></msubsup><mo>/</mo><mi mathvariant="normal">Λ</mi><mo>=</mo><mn>0.15</mn></math> TeV−1, <math id="M9" xmlns="http://www.w3.org/1998/Math/MathML"><msubsup><mrow><mi>κ</mi></mrow><mrow><mi>Z</mi></mrow><mrow><msup><mrow><mi>b</mi></mrow><mrow><mi mathvariant="normal">′</mi></mrow></msup></mrow></msubsup><mo>/</mo><mi mathvariant="normal">Λ</mi><mo>=</mo><mn>0.19</mn></math> TeV−1, <math id="M10" xmlns="http://www.w3.org/1998/Math/MathML"><msubsup><mrow><mi>κ</mi></mrow><mrow><mi>γ</mi></mrow><mrow><msup><mrow><mi>b</mi></mrow><mrow><mi mathvariant="normal">′</mi></mrow></msup></mrow></msubsup><mo>/</mo><mi mathvariant="normal">Λ</mi><mo>=</mo><mn>0.30</mn></math> TeV−1 for the mass of 750 GeV of the new heavy quarks <math id="M11" xmlns="http://www.w3.org/1998/Math/MathML"><mrow><msup><mrow><mi>t</mi></mrow><mrow><mi mathvariant="normal">′</mi></mrow></msup></mrow></math> and <math id="M12" xmlns="http://www.w3.org/1998/Math/MathML"><mrow><msup><mrow><mi>b</mi></mrow><mrow><mi mathvariant="normal">′</mi></mrow></msup></mrow></math> can be reached for an integrated luminosity of <math id="M13" xmlns="http://www.w3.org/1998/Math/MathML"><msub><mrow><mi>L</mi></mrow><mrow><mtext>int</mtext></mrow></msub><mo>=</mo><mn>100</mn></math> fb−1