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In a study, 2-MeV neutrons enter a target made of water and are gradually absorbed in...

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Chemistry

In a study, 2-MeV neutrons enter a target made of water and aregradually absorbed in the water.

Assume:

1. The neutrons don't interact with oxygen

2. Their capture cross section before they thermalize is 2.5barns.

Calculate (for the neutrons):

a. Mean free path.

b. Linear momentum as they the target.

c. Velocity as they enter the target.

d. Calculate the neutron's lifetime in the medium (average timebefore they are captured).

Indicate all units.

Answer & Explanation Solved by verified expert
4.4 Ratings (847 Votes)
Considering the assumptions given a The mean free path is calculated as per the following formula MFP 1 ADCW where A Avogadro number 6023 1023 D Density of water 1 gram cc C Capture cross section 25 barns 25 1024 cm2    See Answer
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