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Particle physics

The mass of a top

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A measurement of the mass of the heftiest-known elementary particle, the top quark, which exists for less than a trillionth of a trillionth of a second, sheds light on the ultimate fate of our Universe, although ambiguities cloud its interpretation.

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Figure 1: Decay of the top quarks.

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Correspondence to Peter Skands.

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Skands, P. The mass of a top. Nature 514, 174–176 (2014). https://doi.org/10.1038/514174a

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