期刊
ANNUAL REVIEW OF NUCLEAR AND PARTICLE SCIENCE
卷 59, 期 -, 页码 215-243出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev.nucl.010909.083136
关键词
CP violation; factorization; polarization; penguin mechanism; CKM triangle; baryonic decay
资金
- National Science Council of the Republic of China [NSC97-2112-M-001-004-MY3]
- U.S. Department of Energy [DE-FG02-04ER41290]
We give an overview of the experimental measurements and the theoretical understanding of the branching fractions and CP-violating asymmetries of charmless B meson decays. Most experimental results are from the BaBar and Belle Collaborations' data, accumulated during the past decade. The global features of these experimental results are typically well described by quantum chromodynamics (QCD)-motivated theories such as QCD factorization, perturbative QCD, and soft-collinear effective theory. The agreement between theory and experiment is generally satisfactory, although there remain sot-tie unsolved puzzles that pose a great challenge to both theorists and experimentalists.
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