ma \cdot 0.511 \cdot 10 ^ 6 e \cdot \mathrm {volt} / c} \right) ^ 2 =
\left (\frac {cB_z [\mathrm {T}]} {2 \beta \gamma \cdot 0.511 \cdot 10 ^ 6 \cdot \mathrm {volt}} \right) ^ 2.\]</div>
</div>
<div class="section" id="Quadrupoles">
<h3>Quadrupoles<a class="headerlink" href="#Quadrupoles" title="Permalink to this headline">¶</a></h3>
<p>$ k_q = <span class="math">\displaystyle `:nbsphinx-math:</span>frac {eG}` {pc}$ is the quadrupole stiffness, where $ G = <span class="math">\displaystyle `:nbsphinx-math: