[Magazine] Scientific American. Vol. 298. No 2

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The term “technicolor” alludes to a generalization of the color charge that de- H [SOLVING THE HIGGS PUZZLE] WANTED: NEW PHYSICS Whatever keeps the Higgs mass near the 1-TeV scale must come from beyond the Standard Model. Theorists have advanced many possible solutions. The Large Hadron Collider will decide. Here are three promising lines: SUPERSYMMETRY What tends to elevate the Higgs mass is its interaction with so-called virtual particles — copies of quarks, leptons and other particles that temporarily materialize around the Higgs.

A tron. Radioactive beta decay would be turned on its world without compact atoms would be a world head. Q. be several inches across or bigger. structures like our solids and liquids. [WHAT TO EXPECT] FIVE GOALS FOR THE LHC REDISCOVER THE STANDARD MODEL The first goal of the collider is not to probe the new but to confirm the old. The machine will produce familiar particles in prodigious numbers (several top quarks per second, for example) and scrutinize them with increasing refinement. Not only does this test the machine and its instruments, it sets precise benchmarks for determining whether new phenomena are indeed new.

The symmetry in this case is the equivalence of all directions in space. When the temperature drops, The symmetry is the filings lock one another in evident at high tempplace. Although their alignment eratures. Heat jostles may seem more orderly, it is the filings every less symmetrical, because it Symmetry which way. Broken symmetry singles out one randomly chosen direction over the others. ELECTROWEAK SYMMETRY In the symmetrical case, the lepton-naming convention (represented by an arrow) is set independently at each point in space.

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