Another pentaquark (now on arXiv)

This result is on the arXiv this morning (see link added).

Life and Physics

I was earlier into work than usual this morning after talking about a new pentaquark discovered by LHCb and reported just now in the Moriond QCD meeting.

rjnEven so, when I got in, Ryan was already there, well into his No╬Ża data taking shift.

After confusion and controversy on various experiments (including mine) over several years, LHCb reported the first solid observation of two pentaquark states in 2015. This result adds a third, and also reveals that one of the others may in fact be two, with slightly different masses.

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About Jon Butterworth

UCL Physics prof, works on LHC, writes (books, Cosmic Shambles and elsewhere). Citizen of England, UK, Europe & Nowhere, apparently.
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