2024-03-28T14:42:19Z
https://tsukuba.repo.nii.ac.jp/oai
oai:tsukuba.repo.nii.ac.jp:00047763
2023-12-21T07:59:01Z
117:1206
117:5006
117:789
117:790
3:62:5598:84
Tevatron Run II combination of the effective leptonic electroweak mixing angle
原, 和彦
金, 信弘
佐藤, 構二
受川, 史彦
CD Collaboration
D Collaboration
Hara, K.
Kim, S.H.
Sato, K.
Ukegawa, F.
Drell-Yan lepton pairs produced in the process p ̄p→?+??+X through an intermediate γ?/Z boson have an asymmetry in their angular distribution related to the spontaneous symmetry breaking of the electroweak force and the associated mixing of its neutral gauge bosons. The CDF and D0 experiments have measured the effective-leptonic electroweak mixing parameter sin2θlepteff using electron and muon pairs selected from the full Tevatron proton-antiproton data sets collected in 2001-2011, corresponding to 9?10??fb?1 of integrated luminosity. The combination of these measurements yields the most precise result from hadron colliders, sin2θlepteff=0.23148±0.00033. This result is consistent with, and approaches in precision, the best measurements from electron-positron colliders. The standard model inference of the on-shell electroweak mixing parameter sin2θW, or equivalently the W-boson mass MW, using the zfitter software package yields sin2θW=0.22324±0.00033 or equivalently, MW=80.367±0.017??GeV/c2.
journal article
American Physical Society
2018-06
application/pdf
Physical review D
11
97
112007
2470-0010
AA00773624
https://tsukuba.repo.nii.ac.jp/record/47763/files/PRD_97-11-112007.pdf
eng
https://doi.org/10.1103/PhysRevD.97.112007
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article ’ s title, journal citation, and DOI. Funded by SCOAP 3 .
open access