Measurements of the t mass and the mass difference of the t + and t - at BABAR

Measurements of the t mass and the mass difference of the t + and t - at BABAR
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BABAR 处 t 质量的测量以及 t 和 t 的质量差

DOI:
10.1103/physrevd.80.092005
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发表时间:
2009
期刊:
影响因子:
5
通讯作者:
Aubert B
Aubert B
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Aubert B

文献摘要

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本文根据BABAR探测器共振时记录的数据,对轻子的质量进行了精确测量。使用伪质量端点法,我们确定质量为。测量了和的质量差,得到(Mτ+-Mτ-)/MAVGτ=(-3.4 1. 3(stat)±0.3(syst))×10-4,其中为和的平均值。
We present the result from a precision measurement of the mass of thelepton,, based onof data recorded at theresonance with theBABARdetector. Using a pseudomass endpoint method, we determine the mass to be. We also measure the mass difference between theand, and obtain (Mτ+-Mτ-)/MAVGτ=(-3.4±1.3(stat)±0.3(syst))×10-4, whereis the average value ofand.