Teams argue over particle scoop


IF EVER a nickname was appropriate it is this one. In a race to announce the discovery of the particle dubbed the “triple scoop”, a team at Fermilab have controversially scooped some of their closest colleagues. On 13 June, Fermilab’s DZero collaboration announced that they had found the “cascade b baryon” – containing an up, strange and bottom quark – at the Tevatron accelerator in Batavia, Illinois. Quarks fall into three families according to their mass, and cascade b is the first particle found to contain a quark from each family,
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