Differences

This shows you the differences between two versions of the page.

--- lecture:fine_structure_constant_at_cm21 [2020/12/09 07:16] – Ce Zhang
+++ lecture:fine_structure_constant_at_cm21 [2021/06/04 07:23] (current) – Ce Zhang
@@ Line 1: / Line 1: @@
-====== On determination of the fine-structure constant: Electron g-2 and Atom interferometers ======
+===== On determination of the fine-structure constant: Electron g-2 and Atom interferometers =====
 Makiko Nio (RIKEN)
@@ Line 13: / Line 13: @@
 Change in the SI, 2019
-{{ :lecture:截屏2020-12-09_15.38.21.png?direct&600 |}}
+{{ :lecture:201209:201209-1.png|300}}
 Old method: Quantum hall effect resistance R$_k$ --> no longer available
@@ Line 40: / Line 40: @@
 measure the h/M, then
-{{ :lecture:截屏2020-12-09_15.59.35.png?direct&600 |}}
+{{ :lecture:201209:201209-2.png|300}}
 R$_\infity$ puzzle --> does not matter
@@ Line 48: / Line 48: @@
 Error sources: largest is the laser beam profile
-=== electron g-2 ===
+==== electron g-2 ====
 Penning trap
-{{ :lecture:截屏2020-12-09_16.15.25.png?direct&600 |}}
+{{ :lecture:201209:201209-3.png|300}}
+==== Be careful ====
+{{ :lecture:201209:201209-4.png|300}}
+should not be an issue for muon g-2, but it is for e g-2
+h/M may not be insensitive to new physics
+**SHOULD study such effect on Mu 1S2S**