Discovery of the K s

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Discovery of the K s 1

Transcript of Discovery of the K s

Page 1: Discovery of the K s

Discovery of the Ks

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Discovery of K+ → π+ π- π+

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τ+ historical name

Emulsion technique, Bristol group, 1949

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Baryon and meson multiplets

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Baryon Decuplet

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Discovery of the c-Quark

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1974: “November Revolution” – Discovery of the J/ψ, bound state of new quark

−+−+−+ → µµ, hadrons, eeeeSLAC BNL p(28 GeV)+Be →e+e-X

Resonance w/ large mass narrow width Γ=87±5 keV

Not

orig

inal

pap

er

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P

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S.C.C. Ting et al.

B. Richter et al.

Both articles appeared in the same issue of Phys. Rev. Let.

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MARK-I Detector

= prototype of a compact 4π detector

B field

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Baryon multiplets

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LHCb Collab. 2017

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Discovery of the Υ(bb)

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Excited Upsilon-States

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Discovery of the Top-Quark