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Why flavor physics is interesting in LHC era?

Why flavor physics is interesting in LHC era?. Hitoshi Yamamoto Tohoku University DIF06, Frascati, March 2, 2006. 1. Because it is important. Imporant physics is interesting!. High-luminosity Flavor physics. Physics. LHC/ILC. Flavor. Energy frontiers (LHC, ILC).

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Why flavor physics is interesting in LHC era?

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  1. Why flavor physics is interestingin LHC era? Hitoshi Yamamoto Tohoku University DIF06, Frascati, March 2, 2006

  2. 1. Because it is important Imporant physics is interesting! High-luminosity Flavor physics Physics LHC/ILC Flavor Energy frontiers (LHC, ILC)

  3. If LHC/ILC finds new particles • In decays of B/D/K/leptons • Their existence in loops verified • Their flavor structure examined, Possible LFV measured • Models constrained/suggested • If LHC/LC finds no new particles • Loops in flavor physics can probe energy scale beyond LHC/ILC Cross ferterization: LHC/ILC ⇔ Flavor Physics

  4. For example: • If LHC/ILC finds H±, or even if not found, If Higgs couplings at ILC shows a pattern like Higgs doublet model ! ⇒ H±

  5. Then, look for H± in B decay BDtn H± couples to quarks and leptons in the way expected by two Higgs doublet model? Btn (present)

  6. 2. Because it is ‘cheap’ Super B factories LHC or ILC LHC/ILC ~ 10 Super B factories We can have many of them (different kinds) !

  7. 3. Because it is FUN ! • Number of physicists for an analysis topic : • a few/topic for B fatory • ~100 /topic for LHC/ILC • As a result, • B factory will create lots of good physicists • LHC/ILC will create lots of excellent politicians

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