Why do gamma rays accompany other kinds of decay?

In summary, gamma rays are high energy waves emitted by the nucleus of an atom after it emits an alpha particle. This is due to the conservation of energy, as the masses of the daughter particles may not add up exactly to that of the parent, resulting in leftover energy that is released in the form of gamma rays. Additionally, the leftover nucleus may be in an excited state and emit gamma rays as it decays to its ground state.
  • #1
LogicalAcid
137
0
I read that gamma rays are usually emitted by the nucleus of an atom after it emits an alpha particle, but have been wondering: If the alpha particle being emitted was meant to stabilize the atom, and should have, why does the nucleus need to emit such high energy waves?
 
Physics news on Phys.org
  • #2
Unless the masses of the daughter particles (alpha + whatever) add up exactly to that of the parent, for conservation the difference will generally end up in the form of energy, usually a gamma ray.
 
  • #3
mathman said:
Unless the masses of the daughter particles (alpha + whatever) add up exactly to that of the parent, for conservation the difference will generally end up in the form of energy, usually a gamma ray.

why is this?
 
  • #4
The left-behind nucleus could be in an excited state. It may then emit gamma rays as it decays to its ground state.
 

1. Why do gamma rays accompany other kinds of decay?

Gamma rays accompany other kinds of decay because they are a form of electromagnetic radiation that is emitted when an atomic nucleus undergoes a transition from a higher energy state to a lower energy state. This transition can occur during many types of decay processes, including alpha decay, beta decay, and nuclear fission.

2. How are gamma rays produced?

Gamma rays are produced when the nucleus of an atom emits high-energy photons, or particles of electromagnetic radiation. These photons are produced during the decay of radioactive elements and can also be produced through other processes, such as nuclear reactions and collisions between particles.

3. What are the properties of gamma rays?

Gamma rays have a very short wavelength and high frequency, making them the most energetic form of electromagnetic radiation. They have no mass or charge, and are able to travel at the speed of light. They also have the ability to penetrate through most materials, making them difficult to shield.

4. Can gamma rays be harmful to living organisms?

Yes, gamma rays can be harmful to living organisms because they have the ability to ionize atoms and molecules, causing damage to cells and DNA. Exposure to high levels of gamma rays can lead to radiation sickness, cancer, and other health problems.

5. How are gamma rays detected and measured?

Gamma rays are detected and measured using specialized instruments such as Geiger-Muller counters and scintillation detectors. These instruments can detect the ionizing effects of gamma rays and measure their energy and intensity. Gamma rays can also be detected indirectly through the production of secondary particles, such as electrons and positrons, when they interact with matter.

Similar threads

  • High Energy, Nuclear, Particle Physics
Replies
1
Views
800
  • High Energy, Nuclear, Particle Physics
Replies
1
Views
1K
  • High Energy, Nuclear, Particle Physics
Replies
11
Views
1K
  • High Energy, Nuclear, Particle Physics
Replies
32
Views
2K
  • High Energy, Nuclear, Particle Physics
Replies
17
Views
2K
  • High Energy, Nuclear, Particle Physics
Replies
6
Views
1K
  • High Energy, Nuclear, Particle Physics
Replies
15
Views
2K
  • High Energy, Nuclear, Particle Physics
Replies
2
Views
1K
  • High Energy, Nuclear, Particle Physics
Replies
2
Views
1K
  • High Energy, Nuclear, Particle Physics
Replies
3
Views
1K
Back
Top