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Measurement of the Top Quark mass using data from CDF experiment at Tevatron Fedor Prokoshin
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Particles our world is made of Neutrino
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Leptons and quarks
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Top Quark
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mass M top = 173.1±1.3 GeV/c 2GeVc twice of W ±, Z 0 2 orders b 4 orders u, d 5 orders e -
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Why Measure the Top Quark Mass? m top is a fundamental parameter of the Standard Model constrains the mass of the elusive Higgs Boson: 1-loop corrections to m W depend quadratically on the top quark mass m top and logarithmically on m H. Measuring m top and m W one can extract information on m H WW H W WW t b
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2009 1994-95 CDF DǾ History of top mass measurements 2008200720062004 (Data 1992-1996)20052004
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Main Injector and Recycler p source Booster Tevatron Collisions every 396 ns Beam energy 980 GeV s = 1.96 TeV Inst. Lum. ~5x10 32 cm -2 s -1
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CDF Detector
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CDF II Collaboration
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BACKUP SLIDES
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Gervasio Gomez/CDFMoriond EW 200514 Top Mass Mt 175 GeV Yukawa coupling 1Special role in EWSB? Dominant parameter in radiative corrections: quadratic in m t, logarithmic in m H Mt from precision EW measurements
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