News of the WeekParticle Physics

Sign of Supersymmetry Fades Away

Science  21 Dec 2001:
Vol. 294, Issue 5551, pp. 2449-2451
DOI: 10.1126/science.294.5551.2449b

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A tantalizing hint of new elementary particles--which many physicists had interpreted as possible evidence of supersymmetry, a theory that predicts a much more massive partner for every type of particle known today--has vanished once physicists double-checked their math. The culprit: an extra minus sign in one of the calculations.