Unification dynamics can work as a quantitative idea and explain the relative strength of the different forces (including gravity). But for this to work in detail, we need to augment the standard model. The most convincing idea in that direction is supersymmetry. Supersymmetry, too, deserves a post of its own, and here I will only mention its most immediate, testable consequence—namely that for every particle we currently known there must be a heavier superpartner with different spin (and of course mass) from its conventional mate, but sharing other properties like electric and strong color charges. Hopes are high that the next round of LHC experiments, at higher energy, will uncover some of the new particles supersymmetry requires.
Posted on: Fri, 27 Jun 2014 05:02:34 +0000
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