Hitting the target in two different ways

Electrons are accelerated by an electron gun. As the electrons exit the gun they are deflected by a uniform magnetic field of fixed magnitude \(B\) directed into the page. The electrons hit a small (point-like) target \(T\). An experimentalist noticed that if the magnetic field is directed along the line \(\overline{OT}\) the electrons also hit the target \(T\). For what minimum angle \(\alpha_{min} \) in degrees is this possible? Assume that all electrons have the same initial velocity.

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