med en atom i vågskålen eller Hur man väger atomer och ... - Fysikum
med en atom i vågskålen eller Hur man väger atomer och ... - Fysikum
med en atom i vågskålen eller Hur man väger atomer och ... - Fysikum
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α -1<br />
133 Cs for Accurate Determinations of the Fine Structure Constant α<br />
α<br />
2<br />
137.036010<br />
137.036005<br />
137.036000<br />
137.035995<br />
137.035990<br />
137.035985<br />
=<br />
⎛<br />
⎜<br />
⎝<br />
2R<br />
c<br />
∞<br />
⎞⎛<br />
⎟⎜<br />
⎠⎝<br />
h<br />
m<br />
e<br />
⎞<br />
⎟<br />
⎠<br />
=<br />
< 2⋅10 -11<br />
(Hänsch<br />
Nobelp 05)<br />
Γ 90<br />
Δν Mu<br />
⎛<br />
⎜<br />
⎝<br />
2R<br />
c<br />
∞<br />
g-2<br />
PDF created with pdfFactory trial version www.pdffactory.com<br />
⎞⎛<br />
⎟⎜<br />
⎠⎝<br />
h<br />
m<br />
Cs<br />
R k<br />
⎞⎛<br />
⎜<br />
m<br />
⎟<br />
⎜<br />
⎠⎝<br />
m<br />
7.3 ppb<br />
(S.Chu<br />
Nobelp 98)<br />
Cs<br />
p<br />
h/m n<br />
⎞⎛<br />
m<br />
⎟<br />
⎜<br />
⎠⎝<br />
m<br />
p<br />
e<br />
CODATA98<br />
⎞<br />
⎟<br />
⎠<br />
h/m Cs<br />
In near future h/m(Cs)*<br />
3 ppb new setup 1 ppb<br />
*S. Chu, private communication (2003)<br />
2.2 ppb (vanDyck)<br />
SMILETRAP<br />
2 ppb<br />
Measured deviation [ppb]<br />
133 Cs<br />
Charge state<br />
PRL 83, 1999
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