Belle Computing System

Belle Computing System
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百丽计算系统

DOI:
10.1016/j.nima.2004.07.058
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发表时间:
2004
期刊:
ArXiv
影响因子:
--
通讯作者:
M. Yokoyama
M. Yokoyama
中科院分区:
--
文献类型:
--
作者:
I. Adachi;T. Hibino;L. Hinz;R. Itoh;N. Katayama;S. Nishida;F. Ronga;T. Tsukamoto;M. Yokoyama

文献摘要

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本文介绍了KEKB e+ e非对称能量对撞机贝儿实验中计算系统的现状。到目前为止,我们已经记录了超过160 fb-1的数据,相当于世界上最大的170 M BB <$对的数据样本。必须处理大量的事件数据以及时地产生分析事件样本。此外,必须创建蒙特卡罗事件以精确控制系统误差。这需要稳定和高效地使用计算资源。在这里,我们回顾我们的计算模型,然后描述我们如何有效地进行DST/MC生产在我们的系统。
We describe the present status of the computing system in the Belle experiment at the KEKB e+e-asymmetric-energy collider. So far, we have logged more than 160fb-1of data, corresponding to the world's largest data sample of 170M BB¯ pairs at the ϒ(4S) energy region. A large amount of event data has to be processed to produce an analysis event sample in a timely fashion. In addition, Monte Carlo events have to be created to control systematic errors accurately. This requires stable and efficient usage of computing resources. Here, we review our computing model and then describe how we efficiently proceed DST/MC productions in our system.