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Compton set-ups

Last modified by mohakala@helsinki_fi on 2025/02/04 06:55

 

E (keV)

angle

beam
size (h x v)
(mm2)

t_scan

dp (a.u.)

inaccuracy 
at J(0)

year

ref.

*ESRF

86.8

160

 

 

0.45

0.026-0.041% (0.03 bin)

2011

ESRF

86.95

165

 

 

0.6

<0.03%,
<0.01% (0.03 bin)

2010

SPring-8

115

178

2 x 2

 

0.63

0.025% (0.08 bin)

2007

ESRF
SPring-8

89
176

165
172

0.2 x 0.5 
1.2 x 0.6

 

0.54
0.45

0.016% (0.09 bin)
<0.018% (0.06 bin)

2007

H2O vs. D2O, JCP

SPring-8

115

178

2 x 2

 

0.63

0.016% (0.08 bin)

2006

SPring-8

115

165

1 x 2

 

0.20

<0.05% (0.18 bin)

2006

ESRF

56.4

173

 

 

0.26,
0.36

0.15%

2006

ESRF

56

157

0.3 x 1

 

0.64

0.02% (0.08 bin)

2006

H2O, JCP

 

 

 

 

 

 

 

 

 

*Other than
Helsinki group

 

 

 

 

 

 

 

 


counts at J(0)
[millions]

statistical inaccuracy
at J(0)  [%]

1

0.10

10

0.032

20

0.022

50

0.014

100

0.010

1000

0.0032