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Weak interaction print that page

In the Standard Model of particle physics the weak interaction is theorised as being caused by the exchange (i.e. emission or absorption) of W and Z bosons ; and because it is a consequence of the emission (or absorption) of bosons it is a non-contact force . The best known effect of this | 2011/5/5 7:08:50

Fundamental interaction print that page

called interactive forces ) are the ways that elementary particles interact with one another. An interaction is fundamental when it cannot be described in terms of other interactions. The four known fundamental interactions, all of which are non-contact forces , are electromagnetism , strong | 2011/9/2 1:43:31

Interaction print that page

Casual examples of interaction outside of science include: communication of any sort, for example two or more people talking to each other, or communication among groups , organizations , nations or states: trade, migration, foreign relations , transportation, the feedback during the | 2011/7/7 9:47:12

Cation-pi interaction print that page

The cation-π interaction is comparable in strength to hydrogen bonding and can, in some cases, be a decisive intermolecular force . Several criteria influence the strength of the bonding: the nature of the cation, the subsitutents on the π system, as well as the solvent. [ edit ] Nature | 2011/2/11 15:22:36

Weak isospin print that page

In particle physics , weak isospin is a quantum number relating to the weak interaction , and parallels the idea of isospin under the strong interaction . Weak isospin is usually given the symbol T or I with the third component written as T z , T 3 , I z or I 3 . [ 1 ] Weak isospin | 2011/7/19 19:08:59

Strong interaction print that page

In particle physics , the strong interaction (also called the strong force , strong nuclear force , or color force ) is one of the four fundamental interactions of nature, the others being electromagnetism , the weak interaction and gravitation . As with the other fundamental interactions | 2011/10/4 8:07:15

Force print that page


main interactions are known: in order of decreasing strength, they are: strong , electromagnetic , weak , and gravitational . [ 3 ] High-energy particle physics observations made during the 1970s and 1980s confirmed that the weak and electromagnetic forces are expressions of a more fundamental

Renormalization print that page

classical physics Figure 1. Renormalization in quantum electrodynamics: The simple electron-photon interaction that determines the electron's charge at one renormalization point is revealed to consist of more complicated interactions at another. The problem of infinities first arose | 2011/7/22 1:52:02

Electroweak interaction print that page

In particle physics , the electroweak interaction is the unified description of two of the four known fundamental interactions of nature: electromagnetism and the weak interaction . Although these two forces appear very different at everyday low energies, the theory models them as two | 2011/7/29 17:41:39

Standard Model print that page

The Standard Model of particle physics is a theory concerning the electromagnetic , weak , and strong nuclear interactions, which mediate the dynamics of the known subatomic particles. Developed throughout the mid to late 20th century, the current formulation was finalized in the mid 1970s | 2011/9/26 1:18:44