Difference between revisions of "Conversion TDC to Energy"

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Line 11: Line 11:
  
  
t<sub>n</sub>-t<sub>ɣ</sub>=l/v-l/c=l(1/v-1/c)
+
t<sub>n</sub>-t<sub>ɣ</sub>=d/v-d/c=d(1/v-1/c)
  
=> v=1/[(t<sub>n</sub>-t<sub>ɣ</sub>)/l-1/c]
+
=> v=1/[(t<sub>n</sub>-t<sub>ɣ</sub>)/d-1/c]
  
  

Revision as of 17:26, 31 October 2008

Calculation

tn: Neutron time of flight

tɣ: Gamma time of flight

d: Distance between detector and target.

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


tn-tɣ=d/v-d/c=d(1/v-1/c)

=> v=1/[(tn-tɣ)/d-1/c]


βn=v/c

ɣn=(1-βn2)-1/2

Etot=Mnɣnc2

Ek=Etot-Mnc2

Data

Polarized

Unpolarized to Top Detector

Unpolarized to Side Detector