Eric_Hessels

Eric Hessels

Eric Hessels

Canadian physicist

Eric A. Hessels is a Canadian physicist, currently a Canada Research Chair and Distinguished Research Professor at York University in Toronto, Ontario.[1][2][3][4] In September 2019, Hessels et al. measured the Lamb shift for hydrogen to measure the radius of a proton and demonstrated that it is consistent with the value obtained for muonic hydrogen. This proved that the supposed discrepancy known as the proton radius puzzle did not exist.[5]

References

  1. [1]
    "Eric Hessels". yorku.ca. Archived from the original on February 24, 2017. Retrieved February 24, 2017.
  2. [2]
    "Distinguished Research Professors". yorku.ca. Retrieved February 24, 2017.
  3. [3]
    "Canada Research Chair". gc.ca. 29 November 2012. Retrieved February 24, 2017.
  4. [4]
    "Prize". aps.org. Retrieved February 24, 2017.
  5. [5]
    Wolchover, Natalie. "Physicists Finally Nail the Proton's Size, and Hope Dies". Quanta Magazine. Retrieved 2019-09-18.
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