Events in Physics
Friday, April 28, 2023
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Theory group seminar on "TBA", SPEAKER: "TBA" |
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Theory group seminar on "Testing the Standard Model with a Single Electron: A new g-factor measurement and limit on the dark photon", SPEAKER: Dr Xing Fan (Northwestern University).PS 128, Online connection.ABSTRACT:A single isolated electron in a Penning trap yields a new measurement of the electron magnetic moment g/2 = 1.001 159 652 180 59 (13).
A comparison of the measured g-factor and the predicted g-factor using an independent measurement of the fine structure constant provides the most stringent test of the Standard Model.The newly constructed system used for this measurement which resulted in increased stability and a better understanding of systematic errors, along with efforts towards a further improved measurement using new techniques, will be discussed.
A new limit on dark photon dark matter at 0.6 meV is also obtained using the same system.
The single trapped electron is used as a background-free detector at 0.6 meV.
The search demonstrates the sensitivity of the single electron to the dark photon in the 0.1–1 meV range.
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UKRI Deadlines
Due to the implementation of a new UKRI funding system (TFS) there will be a fixed quarterly deadlines for some grants which would previously have been on open calls, this is to allow necessary system amendments and updates.
The first deadline after implementation will be 28th September 2023 and applies to those calls listed below:
EPSRC Post Doctoral Fellowship
EPSRC Working with overseas scientists