(in nuclear physics)
the perpendicular distance from the original center of a set of scattering particles to the original line of motion of a particle being scattered.
(in nuclear physics)
the perpendicular distance from the original center of a set of scattering particles to the original line of motion of a particle being scattered.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012