The ultimate theoretical error on γ from B → DK decays

被引：71
作者：
Brod, Joachim [1 ]
Zupan, Jure [1 ]
机构：
[1] Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2014年 / 01期
基金：
美国国家科学基金会;
关键词：
Quark Masses and SM Parameters; B-Physics; CP violation; Standard Model; CP VIOLATION; EXTRACTION; PHASE;
D O I：
10.1007/JHEP01(2014)051
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The angle gamma of the standard CKM unitarity triangle can be determined from B -> DK decays with a very small irreducible theoretical error, which is only due to second-order electroweak corrections. We study these contributions and estimate that their impact on the gamma determination is to introduce a shift vertical bar delta(gamma)vertical bar less than or similar to O(10(-7)), well below any present or planned future experiment.
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页数：15
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