In the Standard Model of particle physics, the fundamental forces - TopicsExpress



          

In the Standard Model of particle physics, the fundamental forces of nature known to science arise from laws of nature called symmetries, and are transmitted by particles known as gauge bosons. The weak forces symmetry should cause its gauge bosons to have zero mass, but experiments show that the weak forces gauge bosons are actually very massive and short-ranging (now called W and Z bosons).[Note 3] Their very short range – a result of their mass – makes structures like atoms and stars possible[citation needed], but it proved exceedingly difficult to find any way to explain their unexpected mass.
Posted on: Fri, 24 Jan 2014 06:15:01 +0000

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