B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET...

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B 0 - und B 0 s - Mischung

Transcript of B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET...

Page 1: B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET HALL ANTIPROTON SOURCE BOOSTER LINAC DZERO CDF Antiproton Direction MESON COCKCROFT-WALTON

B0- und B0s-

Mischung

Page 2: B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET HALL ANTIPROTON SOURCE BOOSTER LINAC DZERO CDF Antiproton Direction MESON COCKCROFT-WALTON

B0(s)

-Mischung

Page 3: B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET HALL ANTIPROTON SOURCE BOOSTER LINAC DZERO CDF Antiproton Direction MESON COCKCROFT-WALTON

B0-Oszillationen

B0 → K+ π- πs

- μ+ νB0 → B0 → γ γ K+ π- π- μ+ ν¯

Page 4: B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET HALL ANTIPROTON SOURCE BOOSTER LINAC DZERO CDF Antiproton Direction MESON COCKCROFT-WALTON

Tevatron

Page 5: B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET HALL ANTIPROTON SOURCE BOOSTER LINAC DZERO CDF Antiproton Direction MESON COCKCROFT-WALTON

Produktion und Triggern von B-Mesonen

CDFBelle

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CDF- und D0-Detektoren

Page 7: B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET HALL ANTIPROTON SOURCE BOOSTER LINAC DZERO CDF Antiproton Direction MESON COCKCROFT-WALTON

B0s-Selektion

Page 8: B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET HALL ANTIPROTON SOURCE BOOSTER LINAC DZERO CDF Antiproton Direction MESON COCKCROFT-WALTON

Weitere B0s-

Zerfallskanäle

Page 9: B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET HALL ANTIPROTON SOURCE BOOSTER LINAC DZERO CDF Antiproton Direction MESON COCKCROFT-WALTON

Zerfallszeit-Messung

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Flavor-Tagging

Same SideOpposite Side

Page 11: B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET HALL ANTIPROTON SOURCE BOOSTER LINAC DZERO CDF Antiproton Direction MESON COCKCROFT-WALTON

⇒D = 0.2

ct

= 87 fs

Detektorauflösung

⇒

ct

= 87 fs

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Mixing-Fit und Amplituden-Scan

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Beobachtung von B0s-Oszillationen

Page 14: B0- und B s Mischungheck/Lehre/BsMischung.pdf · MAIN INJECTOR TEVATRON PROTON NEUTRINO SO TARGET HALL ANTIPROTON SOURCE BOOSTER LINAC DZERO CDF Antiproton Direction MESON COCKCROFT-WALTON

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