Observation of Bs0-(B)over-bars0 oscillations

被引：0

作者：

Belloni, A. ^{[1
]}

机构：

[1] MIT, Cambridge, MA 02139 USA

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2007年 / 170卷

关键词：

D O I：

10.1016/j.nuclphysbps.2007.05.041

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：

We report the observation of B-s(0) - (B) over bar (0)(s) oscillations using 1 fb(-1) of data from p (p) over bar collisions with the CDF II detector at the Fermilab Tevatron. We measure the probability, as a function of proper decay time, that the B-s(0) decays with the same, or opposite, flavor as its flavor at production, which is determined using opposite-side and same-side flavor identification methods. We find a signal consistent with B-s(0) - (B) over bar (0)(s) oscillations, with a significance greater than 5 sigma. We measure Delta m(s) = 17.77 +/- 0.10(stat) +/- 0.07(syst) ps(-1).

引用

页码：129 / 134

页数：6

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