Elastic scattering of WIMPs off nuclei

Tags:
1. Mar 22, 2015

maximus123

Hello,

My problem is as follows

I've tried differentiating to find the maximum and I've tried plotting E against $m_{\chi}$ for a range of values and this did not suggest a maximum at $m_N = m_{\chi}$. Could someone explain why it is the case that the energy transfer is maximum when these masses are equal?

Thanks a lot.

2. Mar 22, 2015

Staff: Mentor

It is a maximum with respect to the nuclei mass (the thing we can change), not with respect to the WIMP mass (which we cannot influence).

3. Mar 23, 2015

maximus123

Yeah I figured that out, I was being an idiot. Thanks for the help though.

Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted