From the same article: But the excitement in the physics community is tempered with a loud note of caution. Although the Fermilab result is the most accurate m

From the same article: But the excitement in the physics community is tempered with a loud note of caution. Although the Fermilab result is the most accurate measurement of the mass of the W boson to date, it is at odds with two of the next most accurate measurements from two separate experiments which are in line with the Standard Model.