Event patterns extracted from top quark-related spectra in proton-proton collisions at 8 TeV

Ya-Hui Chen; Fu-Hu Liu; Roy A

doi:10.1088/1674-1137/42/3/033101

Chinese Physics C> 2018, Vol. 42> Issue(3) : 033101 DOI: 10.1088/1674-1137/42/3/033101

Event patterns extracted from top quark-related spectra in proton-proton collisions at 8 TeV

Ya-Hui Chen ¹ ,
Fu-Hu Liu ^1,, ,
Roy A ²

1.
Institute of Theoretical Physics &

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Abstract：
We analyze the transverse momentum (p_T) and rapidity (y) spectra of top quark pairs, hadronic top quarks, and top quarks produced in proton-proton (m pp) collisions at center-of-mass energy √s=8 TeV. For p_T spectra, we use the superposition of the inverse power-law suggested by the QCD (quantum chromodynamics) calculus and the Erlang distribution resulting from a multisource thermal model. For y spectra, we use the two-component Gaussian function resulting from the revised Landau hydrodynamic model. The modelling results are in agreement with the experimental data measured at the detector level, in the fiducial phase-space, and in the full phase-space by the ATLAS Collaboration at the Large Hadron Collider (LHC). Based on the parameter values extracted from p_T and y spectra, the event patterns in three-dimensional velocity (β_x-β_y-β_z), momentum (p_x-p_y-p_z), and rapidity (y₁-y₂-y) spaces are obtained, and the probability distributions of these components are also obtained.
- top quark-related spectra ,
- event pattern ,
- three-dimensional space

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Ya-Hui Chen, Fu-Hu Liu and Roy A. Event patterns extracted from top quark-related spectra in proton-proton collisions at 8 TeV[J]. Chinese Physics C, 2018, 42(3): 033101. doi: 10.1088/1674-1137/42/3/033101

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Received: 2017-10-12
Revised: 2017-12-24

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Supported by National Natural Science Foundation of China (11575103, 11747319), the Shanxi Provincial Natural Science Foundation (201701D121005), the Fund for Shanxi 1331 Project Key Subjects Construction and the US DOE (DE-FG02-87ER40331.A008)

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沈阳化工大学材料科学与工程学院沈阳 110142

Event patterns extracted from top quark-related spectra in proton-proton collisions at 8 TeV

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Event patterns extracted from top quark-related spectra in proton-proton collisions at 8 TeV

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