A linear particle accelerator using beta particles collides electrons with their anti-matter counterparts, positrons. The accelerated...
A linear particle accelerator using beta particles collides
electrons with their anti-matter counterparts, positrons. The
accelerated electron hits the stationary position with a velocity
of 90 x 106 m/s, causing the two particles to
annihilate.
If two gamma photons are created as a result, calculate the energy
of each of these two photons, giving your answer in MeV (mega
electron volts), accurate to 1 decimal place. Take the mass of the
electron to be 5.486 x 10-4 u, or 9.109 x
10-31 kg.
Note: Assume that the kinetic energy is also converted into the
gamma rays, and is included in the two photons.
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A linear particle accelerator using beta particles collides
electrons with their anti-matter counterparts, positrons. The
accelerated...
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A nucleus whose mass is 3.730032 x 10-25 kg undergoes spontaneous "alpha" decay. The original nucleus disappears and there appear two new particles: a He-4 nucleus of mass 6.640678x10-27 kg (an "alpha particle" consisting of two protons and two neutrons) and a new nucleus of mass 3.663533 x 10-25 kg (note that the new nucleus has less mass than the original nucleus, and it has two fewer protons and two fewer neutrons). In these calculations, it is very important to...
A nucleus whose mass is 3.730032 x 10-25 kg undergoes spontaneous "alpha" decay. The original nucleus disappears and there appear two new particles: a He-4 nucleus of mass 6.640678x10-27 kg (an "alpha particle" consisting of two protons and two neutrons) and a new nucleus of mass 3.663533 x 10-25 kg (note that the new nucleus has less mass than the original nucleus, and it has two fewer protons and two fewer neutrons). In these calculations, it is very important to...
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