Yanxi was a visiting undergraduate from USTC in Summer 2019. Sheworked on two projects:

• Engaged in the analysis of CEPC Higgs->ZZ simulation and prediction which focuses on filtering signal from pseudo data and measure Higgs width, served as a core developer
• Participated in project about the gluon decaying into bb calibration on ATLAS experiment which focuses on fitting the scale factor of MC mismodeling with the purpose of measuring the double B tagging efficiency.