Some Puzzles in B Physics

  • I discuss some puzzles observed in exclusive B meson decays: the large difference between the direct CP asymmetries of the B0→π+K± and B±→π0K± modes, and the small longitudinal polarization fraction of the B→φK* modes. These puzzles, being attributed to QCD uncertainty, may not be regarded as signals of new physics.
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LI Hsiang-Nan. Some Puzzles in B Physics[J]. Chinese Physics C, 2006, 30(12): 1206-1210.
LI Hsiang-Nan. Some Puzzles in B Physics[J]. Chinese Physics C, 2006, 30(12): 1206-1210. shu
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Received: 2006-07-10
Revised: 1900-01-01
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Some Puzzles in B Physics

    Corresponding author: LI Hsiang-Nan,
  • Institute of Physics, AS, Taipei, ChinaDepartment of Physics, Cheng-Kung University, Tainan, China

Abstract: I discuss some puzzles observed in exclusive B meson decays: the large difference between the direct CP asymmetries of the B0→π+K± and B±→π0K± modes, and the small longitudinal polarization fraction of the B→φK* modes. These puzzles, being attributed to QCD uncertainty, may not be regarded as signals of new physics.

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