Interference effects on Higgs mass measurement in $e^+e^-\to H(\gamma\gamma) Z$ at CEPC
| Autor: | Xu, Guang-Zhi, Li, Gang, Li, Yi-Jie, Liu, Kui-Yong, Zhang, Yu-Jie |
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| Rok vydání: | 2015 |
| Předmět: | |
| Zdroj: | Chinese Physics C Vol. 40, No. 3 (2016) 033101 |
| Druh dokumentu: | Working Paper |
| DOI: | 10.1088/1674-1137/40/3/033101 |
| Popis: | A high luminosity Circular Electron Positron Collider (CEPC) as a Higgs Factory will be helpful to the precision measurement of the Higgs mass. The signal-background interference effect is carefully studied for the Higgs diphoton decay mode in the associated Z boson production at the future $e^+e^-$ colliders at energy $246 {\rm GeV}$. The mass shifts go up from about $20 {\rm MeV}$ to $50 {\rm MeV}$ for the experimental mass resolution ranging from $0.8 {\rm GeV}$ to $2 {\rm GeV}$. Comment: Comments and suggestions are welcome |
| Databáze: | arXiv |
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