Difference between revisions of "Conversion TDC to Energy"

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Line 3: Line 3:
 
t<sub>n</sub>: Neutron time of flight
 
t<sub>n</sub>: Neutron time of flight
  
t<sub>t_ɣ</sub>: Gamma time of flight
+
T_b
 +
 
 +
t<sub>ɣ</sub>: Gamma time of flight
  
 
d: Distance between detector and target.  
 
d: Distance between detector and target.  

Revision as of 18:27, 31 October 2008

Calculation

tn: Neutron time of flight

T_b

tɣ: Gamma time of flight

d: Distance between detector and target.

d for polarized case: dpol = 91.25 inches = 231.775 cm.

d for unpolarized top detector: dunpol_top=96.25 inches = 244.745 cm.

d for unpolarized side detector: dunpol_side=91.39 inches = 232.131 cm.


tn-tɣ=d/v-d/c=d(1/v-1/c)

=> [math]v=\frac{1}{(t_n-t_ɣ)/d-1/c}[/math]


[math]\beta_n=\frac{v}{c}[/math]

[math]\gamma_n=\sqrt{\frac{1}{1-\beta^2}}[/math]

Etot=Mnɣnc2

Ek=Etot-Mnc2

Data

For data go to Link below:

[1]