Research output: Contribution to journal › Article › peer-review
Measurement of the Positive Muon Anomalous Magnetic Moment to 127 ppb. / The Muon g-2 Collaboration.
In: Physical Review Letters, Vol. 135, No. 10, 101802, 02.09.2025.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Measurement of the Positive Muon Anomalous Magnetic Moment to 127 ppb
AU - The Muon g-2 Collaboration
AU - Aguillard, D. P.
AU - Albahri, T.
AU - Allspach, D.
AU - Annala, J.
AU - Badgley, K.
AU - Baeßler, S.
AU - Bailey, I.
AU - Bailey, L.
AU - Barlas-Yucel, E.
AU - Barrett, T.
AU - Barzi, E.
AU - Bedeschi, F.
AU - Berz, M.
AU - Bhattacharya, M.
AU - Binney, H. P.
AU - Bloom, P.
AU - Bono, J.
AU - Bottalico, E.
AU - Bowcock, T.
AU - Braun, S.
AU - Bressler, M.
AU - Cantatore, G.
AU - Carey, R. M.
AU - Casey, B. C.K.
AU - Cauz, D.
AU - Chakraborty, R.
AU - Chapelain, A.
AU - Chappa, S.
AU - Charity, S.
AU - Chen, C.
AU - Cheng, M.
AU - Chislett, R.
AU - Chu, Z.
AU - Chupp, T. E.
AU - Claessens, C.
AU - Confortini, F.
AU - Convery, M. E.
AU - Corrodi, S.
AU - Cotrozzi, L.
AU - Crnkovic, J. D.
AU - Dabagov, S.
AU - Debevec, P. T.
AU - Di Falco, S.
AU - Di Sciascio, G.
AU - Donati, S.
AU - Drendel, B.
AU - Driutti, A.
AU - Eads, M.
AU - Edmonds, A.
AU - Logashenko, I.
PY - 2025/9/2
Y1 - 2025/9/2
N2 - A new measurement of the magnetic anomaly aμ of the positive muon is presented based on data taken from 2020 to 2023 by the Muon g-2 Experiment at Fermi National Accelerator Laboratory (FNAL). This dataset contains over 2.5 times the total statistics of our previous results. From the ratio of the precession frequencies for muons and protons in our storage ring magnetic field, together with precisely known ratios of fundamental constants, we determine aμ=1 165 920 710(162)×10-12 (139 ppb) for the new datasets, and aμ=1 165 920 705(148)×10-12 (127 ppb) when combined with our previous results. The new experimental world average, dominated by the measurements at FNAL, is aμ(exp)=1 165 920 715(145)×10-12 (124 ppb). The measurements at FNAL have improved the precision on the world average by over a factor of 4.
AB - A new measurement of the magnetic anomaly aμ of the positive muon is presented based on data taken from 2020 to 2023 by the Muon g-2 Experiment at Fermi National Accelerator Laboratory (FNAL). This dataset contains over 2.5 times the total statistics of our previous results. From the ratio of the precession frequencies for muons and protons in our storage ring magnetic field, together with precisely known ratios of fundamental constants, we determine aμ=1 165 920 710(162)×10-12 (139 ppb) for the new datasets, and aμ=1 165 920 705(148)×10-12 (127 ppb) when combined with our previous results. The new experimental world average, dominated by the measurements at FNAL, is aμ(exp)=1 165 920 715(145)×10-12 (124 ppb). The measurements at FNAL have improved the precision on the world average by over a factor of 4.
UR - https://www.scopus.com/pages/publications/105016768441
UR - https://www.mendeley.com/catalogue/9a99cb23-aee2-3c88-87d4-31fe4d988743/
U2 - 10.1103/7clf-sm2v
DO - 10.1103/7clf-sm2v
M3 - Article
C2 - 40981547
VL - 135
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 10
M1 - 101802
ER -
ID: 72589612