# Difference between revisions of "Determining the uncertainty of Eγ"

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<math>\frac{\delta_t}{t}=\frac{1}{50}=2%</math> | <math>\frac{\delta_t}{t}=\frac{1}{50}=2%</math> | ||

+ | |||

+ | <math>v=\frac{d}{t}=\frac{3±0.2%}{50±2%}=0.2c±2.2%</math> |

## Revision as of 08:51, 12 June 2008

To determine the uncertainty in Eγ we pick an angle for the neutron within [

, + Δ ] and a momentum of the neutron between [ , + Δ ].What are reasonable Δ

and Δ ?is determined by time of flight.

Knowns:

= 939.565 ± 0.00028

d = 3 ± 0.005 m

t = 50 ± 1 ns

Fractional Uncertainties