https://doi.org/10.1140/epjc/s10052-019-7602-x
Regular Article - Experimental Physics
Data-taking strategy for the precise measurement of the W boson mass with a threshold scan at circular electron positron colliders
1
Nankai University, Tianjin, 300071, People’s Republic of China
2
INFN, sezione di Pisa, Pisa, Italy
3
IRFU, CEA, Universite Paris-Saclay, Paris, France
4
Department of Physics and Center for High Energy and High Field Physics, National Central University, Tao yuan, Taiwan
5
Department of Physics, Yantai University, Yantai, Shandong, People’s Republic of China
6
Institute of High Energy Physics, Beijing, 100049, People’s Republic of China
7
South China Normal University, Guangzhou, Guangdong, People’s Republic of China
8
Department of Physics, University of Michigan, Ann Arbor, MI, USA
9
School of Physics, Sun Yat-sen University, Guangzhou, Guangdong, People’s Republic of China
* e-mail: shenpx@mail.nankai.edu.cn
Received:
19
July
2019
Accepted:
30
December
2019
Published online:
27
January
2020
Circular electron positron colliders, such as the CEPC and FCC-ee, have been proposed to measure Higgs boson properties precisely, test the Standard Model, search for physics beyond the Standard Model, and so on. One of the important goals of these colliders is to measure the W boson mass with great precision by taking data around the W-pair production threshold. In this paper, the data-taking scheme is investigated to maximize the achievable precisions of the W boson mass and width with a threshold scan, when various systematic uncertainties are taken into account. The study shows that an optimal and realistic data-taking scheme is to collect data at three center-of-mass energies and that precisions of 1.0 MeV and 3.4 MeV can be achieved for the mass and width of the W boson, respectively, with a total integrated luminosity of 
ab
and several assumptions of the systematic uncertainty sources.
© The Author(s), 2020
