Chinese Physics C > 2006, Vol. 30 > Issue(12): 1206-1210

Some Puzzles in B Physics

LI Hsiang-Nan^,

Institute of Physics, AS, Taipei, ChinaDepartment of Physics, Cheng-Kung University, Tainan, China

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Abstract：
I discuss some puzzles observed in exclusive B meson decays: the large difference between the direct CP asymmetries of the B ⁰→π ⁺K ^±and B ^±→π ⁰K ^±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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沈阳化工大学材料科学与工程学院沈阳 110142

Some Puzzles in B Physics

LI Hsiang-Nan^,

Corresponding author:LI Hsiang-Nan,

Institute of Physics, AS, Taipei, ChinaDepartment of Physics, Cheng-Kung University, Tainan, China

Received Date:2006-07-10
Accepted Date:1900-01-01
Available Online:2006-12-05

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.