Difference between revisions of "Conversion TDC to Energy"
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− | t<sub>n</sub>-t<sub>ɣ</sub>= | + | 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>)/ | + | => 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