理論セミナー

日時: 2005-11-15 16:00 -
場所: 研究本館2階220号室
会議名: B physics beyond CP violation: Semileptonic B decays
連絡先: 丹後
講演者: Prof. Masahiro Morii  (Harvard University)
講演言語: 英語
アブストラクト: The success of the B Factories at SLAC and KEK has advanced our knowledge of CP violation, a prerequisite for the creation of the matter-dominant universe. Steady increase of data has brought a new era of precision CP measurements, in which the unitarity of the Cabibbo-Kobayashi-Maskawa matrix is scrutinized for signs of New Physics. One of the crucial information, surprisingly, comes not from CP violation but from studies of semileptnic decays of the B mesons. I will discuss how various measurements of the B semileptonic decays mesh together to determine the size of the smallest CKM matrix element |Vub|, and how such measurements are made possible through progresses in the theory of B decays.

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