时间

Architecture and ekphrasis Pub Date : 2019-10-01 DOI:10.2307/j.ctvn96hb7.48

Seth Brown, Peter Kelly, Scott K. Phillips

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引用次数: 0

摘要

利用d (cid:3)介子的电荷与各半球粒子的加权平均电荷之间的相关关系，观察了b0d (cid:0) (cid:22) b0d介子的时间依赖混合。从重构的D (cid:3)(cid:6)样品中，对应约170万个强子z0衰变，测量到两个b0 D质量本征态之间的质量差di(cid:11)为或，转化为eV= c2:

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Time

The time dependent mixing of B 0 d (cid:0) (cid:22) B 0 d mesons has been observed by using the correlations between the charge of D (cid:3) mesons and the weighted mean charge of particles in each hemisphere. From a reconstructed D (cid:3)(cid:6) sample corresponding to about 1.7 million hadronic Z 0 decays, the mass di(cid:11)erence between the two B 0 d mass eigenstates has been measured to be or, converting into eV=c 2 :

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Architecture and ekphrasis

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