| Click Below to Select a Force: |
Mediating Boson: | Relative Strength: | Effective Range of the Force: |
| Strong Nuclear | Gluon | 1 | 10-17 cm. This is about the same size as a proton. |
| Electromagnetic | Photon | 1/137th | Essentially, this force operates over an infinite distance. |
| Weak Nuclear | W± & Z | 10-13 | 10-20 cm. This is about 1/1000th the size of a proton. |
| Higgs | Higgs | Unkown | Unkown |
Forces & Bosons -
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Deborah & William Hillyard
Deborah & William Hillyard
Deborah & William Hillyard
Deborah & William Hillyard
Deborah & William Hillyard
The photon is the basic unit of electromagnetism, the quantum of the electromagnetic field and the basic "unit" of all forms of electromagnetic radiation. Traveling always at the speed of light, a photon does not experience "time passing". Thus, however long its journey, even billions of light years, from the photon's perspective, it is instantaneous.
Today, the photon is considered a Boson in the standard model, mediating the electromagnetic force. Being governed by quantum mechanics, photons exhibit properties of both waves and particles; known as wave-particle duality. Albert Einstein first hypothesized the quantum nature of light which was proven by subsequent experiments. This lead, amongst many advances in physics, to quantum field theory, and the probabilistic interpretation of quantum mechanics.
Like many people, I find the concept of wave-particle duality somewhat disconcerting. I am convinced, or perhaps it is just a hope, that there is some undiscovered property that will render this concept unnecessary.
In 1932, Louis de Broglie suggested that the photon was a composite particle comprising a neutrino and an antineutrino. There was a resurgence in interest for this theory in the 1960s. Recently, it has been shown by experiment that all three neutrino flavors do have a very small mass, finally puting this idea to rest.
Today, the photon is considered a Boson in the standard model, mediating the electromagnetic force. Being governed by quantum mechanics, photons exhibit properties of both waves and particles; known as wave-particle duality. Albert Einstein first hypothesized the quantum nature of light which was proven by subsequent experiments. This lead, amongst many advances in physics, to quantum field theory, and the probabilistic interpretation of quantum mechanics.
Like many people, I find the concept of wave-particle duality somewhat disconcerting. I am convinced, or perhaps it is just a hope, that there is some undiscovered property that will render this concept unnecessary.
In 1932, Louis de Broglie suggested that the photon was a composite particle comprising a neutrino and an antineutrino. There was a resurgence in interest for this theory in the 1960s. Recently, it has been shown by experiment that all three neutrino flavors do have a very small mass, finally puting this idea to rest.
Electromagnetic Force - The Photon
Physics
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Standard Model
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