Quantum Scattering

scattering

Deviation of  a particle through it's original path or axis due to collision or the impact of the target at a finite angle is known as scattering.

But whenever we talk about the the term quantum that's mean we are the dealing with the microscopic world.As we know from the De.Broglie hypothesis that every moving particle is associated with a wave that is known as De.Broglie wave.And when it (any particle or wave) incident on any target then it's get deviated with the finite angle from it's original path,that's we called the quantum scattering.

Let us understand by taking an example...................

suppose any alpha particle is incident on any target nuclei then what we see,,,it get's scattered at finite angle but impacting with a certain range this is called impact parameter of the nuclei. The impact parameter basically the distance between the incident alpha particle axis and the nuclear axis.

In this case the alpha particle get distracted because it similar or identical to the Helium atom consisting two proton and two neutron in it's nucleus.Nucleus is always consist positive charge so when an alpha particle approach to the nuclei due to Coulombic repulsion works between them it get's deviated from the original path.As far the nuclear axis and the targating particle axis will be the value of scattering get decreased.And when both axis approach to each other then we saw the scattering is maximum angle or 180 degree....................................................................

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