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Electroweak bosons

Electroweak bosons. The accelerator complex. http://www.nobelprize.org/nobel_prizes/physics/laureates/1984/meer-lecture.pdf. W  e + ν. p neutrino. UA1. θ neutrino. anti-proton. proton. Beam pipe. θ electron. p electron. Transverse plane. neutrino. (p x sin θ ) neutrino.

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Electroweak bosons

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  1. Electroweak bosons

  2. The accelerator complex http://www.nobelprize.org/nobel_prizes/physics/laureates/1984/meer-lecture.pdf

  3. W  e + ν pneutrino UA1 θneutrino anti-proton proton Beam pipe θelectron pelectron Transverse plane

  4. neutrino (p x sin θ) neutrino θneutrino θelectron electron (p x sin θ) electron

  5. W τ + ν 3 charged hadrons from τ (+ “missing” momentum)

  6. The first Z0 boson observed Electron Electron CERN SppS, UA1 experiment, 30 April 1983

  7. Z0 discovery paper Phys.Lett. B126 (1983) 398-410 UA1 collaboration

  8. The Large Electron-Positron Collider 27 km circumference Electron against positron Centre-of-mass energy 90-209 GeV

  9. The Z0 resonance

  10. Number of neutrinos Measure total widthfrom lineshapePredict hadroniccross-sectionfor different numbers of neutrinos

  11. e+e- Z0  Hadrons

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