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SUMMARY:Is new physics hiding in the magnetic interaction of a muon? - Pro
 f. Mark Lancaster FRS (Manchester)
DTSTART:20251113T190000Z
DTEND:20251113T200000Z
UID:TALK239794@talks.cam.ac.uk
CONTACT:Ruize Li
DESCRIPTION:The interaction of a muon’s spin with a magnetic field defin
 es its magnetic moment in terms of the gyromagnetic ratio\, g. In the Dira
 c equation\, g is exactly 2\, but additional higher-order QED\, electrowea
 k and strong interactions increase its value by ~ 0.1%. Moreover\, new int
 eractions beyond the Standard Model of particle physics can also contribut
 e at the level of approximately 1 part per million. Very precise measureme
 nts are thus required to uncover new\, beyond the Standard Model\, interac
 tions.\n\nI will describe the most recent\, world's best\, measurement\, f
 rom the Fermilab Muon g-2 experiment: a measurement with a precision of 0.
 1 parts per million which is the most accurately measured quantity using a
  particle accelerator storage ring and the plans to improve the Standard M
 odel prediction which will hopefully resolve whether the magnetic interact
 ion of a muon is a harbinger of new physics or not.
LOCATION:Wolfson Lecture Theatre Yusuf Hamied Department of Chemistry
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