sin 2φ1 Measurement in b → c(c)over-bar-s modes from Belle

被引：0
|
作者：
Higuchi, T [1 ]
机构：
[1] High Energy Accelerator Res Org, Tsukuba, Ibaraki, Japan
来源：
ICHEP 2005: PROCEEDINGS OF THE 32ND INTERNATIONAL CONFERENCE HIGH ENERGY PHYSICS VOLS 1 AND 2 | 2005年
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中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
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摘要：
An angular analysis for B decays into two vector mesons gives parameters that are sensitive to new physics. They are the decay amplitudes of the three helicity states, the asymmetry in the triple product, and the CP violating parameters. In this paper, we present measurements of these quantities for the decay of B-0 -> J/psi K-*0 based on a 275 x 10(6)B (B) over bar pairs collected at the Y(4S) resonance with the Belle detector at the KEKB energy- asymmetric e(+)e(-) collider.
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页码：849 / 852
页数：4
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