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• W2759438495 abstract "In this paper, the top quark pair production events are analyzed as a source of neutral Higgs bosons of the two Higgs doublet model type I at LHC. The production mechanism is <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML id=M1><mml:mi>p</mml:mi><mml:mi>p</mml:mi><mml:mo>→</mml:mo><mml:mi>H</mml:mi><mml:mo>/</mml:mo><mml:mi>A</mml:mi><mml:mo>→</mml:mo><mml:mi>t</mml:mi><mml:mover accent=false><mml:mrow><mml:mi>t</mml:mi></mml:mrow><mml:mo>¯</mml:mo></mml:mover></mml:math> assuming a fully hadronic final state through <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML id=M2><mml:mi>t</mml:mi><mml:mo>→</mml:mo><mml:mi>W</mml:mi><mml:mi>b</mml:mi><mml:mo>→</mml:mo><mml:mi>j</mml:mi><mml:mi>j</mml:mi><mml:mi>b</mml:mi></mml:math>. In order to distinguish the signal from the main background which is the standard model <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML id=M3><mml:mi>t</mml:mi><mml:mover accent=false><mml:mrow><mml:mi>t</mml:mi></mml:mrow><mml:mo>¯</mml:mo></mml:mover></mml:math>, we benefit from the fact that the top quarks in signal events acquire large Lorentz boost due to the heavy neutral Higgs boson. This feature leads to three collinear jets (a fat jet) which is a discriminating tool for identification of the top quarks from the Higgs boson resonances. Events with two identified top jets are selected and the invariant mass of the top pair is calculated for both signal and background. It is shown that the low <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML id=M4><mml:mi mathvariant=normal>t</mml:mi><mml:mi mathvariant=normal>a</mml:mi><mml:mi mathvariant=normal>n</mml:mi><mml:mo> </mml:mo><mml:mi>β</mml:mi></mml:math> region has still some parts which can be covered by this analysis and has not yet been excluded by flavor physics data." @default.
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• W2759438495 date "2018-11-11" @default.
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• W2759438495 title "Analysis of Top Quark Pair Production Signal from Neutral 2HDM Higgs Bosons at LHC" @default.
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• W2759438495 doi "https://doi.org/10.1155/2018/4038243" @default.
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