Partial width for elastic scattering

1. Jul 4, 2015

Yaste

1. The problem statement, all variables and given/known data
A beam of neutrons hit a target of heavy nuclei with spin $J_N = 0$ with resonance when the energy of the incident beam is 250eV, in the cross section distribution with a maximum of 1300 barns. The width of the maximum is 20 eV. Find the partial width of resonance for the elastic scattering.

2. Relevant equations

$$\sigma_{tot} = \dfrac{\pi}{k^2}\dfrac{g\Gamma_i \Gamma}{(E-E_0)^2+\Gamma^2/4}$$

$$g = \dfrac{2J+1}{(2s_1+1)(2s_2+1)}$$

3. The attempt at a solution

The only thing I don't know is the $g$ in the previous equation. That's the only thing I need in order to solve the problem. Any tips would be appreciated.

2. Jul 9, 2015

Staff: Admin

Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?

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