scholarly journals Physics impact of a precise determination of the top quark mass at an e+e−linear collider

2003 ◽  
Vol 2003 (09) ◽  
pp. 075-075 ◽  
Author(s):  
Sven Heinemeyer ◽  
Sabine Kraml ◽  
Werner Porod ◽  
Georg Weiglein
Author(s):  
Aurelio Juste ◽  
Sonny Mantry ◽  
Alexander Mitov ◽  
Alexander Penin ◽  
Peter Skands ◽  
...  
Keyword(s):  

2021 ◽  
Vol 2021 (4) ◽  
Author(s):  
Mei Sen Gao ◽  
Shu Run Yuan ◽  
Jun Gao

Abstract We study the determination of the top-quark mass using leptonic observables in t-channel single top-quark production at the LHC. We demonstrate sensitivity of transverse momentum of the charged lepton on the input top-quark mass. We present predictions at next-to-next-to-leading order (NNLO) in QCD with narrow width approximation and structure function approach. Further corrections due to parton shower and hadronization, non-resonant and non-factorized contributions are discussed. To reduce impact of SM backgrounds we propose to use the charge weighted distribution for the measurement, i.e., differences between distributions of charged lepton with positive and negative charges. By modeling both signal and background processes, we found the projections for (HL-)LHC to be promising, with a total theoretical uncertainty on the extracted top-quark mass of about 1 ∼ 2 GeV.


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