ARPES intensity in energy and analyzer-angle channels around normal emission. The analyzer's angular scale has a 3 degree offset; this can be corrected because the scale is linear.
(quasi-2D material Mg3Bi2)
<a href="//commons.wikimedia.org/wiki/User:Ponor" title="User:Ponor">Ponor</a>
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<span class="int-own-work" lang="en">Own work</span>