BESⅢ在线事例选择流程控制  

The flow control for BESⅢ event selection

作　　者：汤睿[1] 刘英杰[2] 曾云[1] 马秋梅[2] 马想[2] 王大勇[2] 邓子艳[2] 尤郑昀[3] 毛泽普[2] 文硕频[2] 王喆[2] 刘怀民[2] 李卫东[2] 张长春[2] 邱进发[2] 何苗[2] 张学尧[4] 张晓梅[2] 张瑶[4] 郑直[2] 冒亚军[3] 俞国威[2] 夏宇[1] 袁野[2] 黄性涛[4] 蒋林立[5] 臧石磊[2] 

机构地区：[1]湖南大学应用物理系,湖南长沙410082 [2]中国科学院高能物理研究所,北京100049 [3]北京大学物理学院技术物理系,北京100871 [4]山东大学,山东济南250100 [5]中国科技大学,安徽合肥230026

出　　处：《核电子学与探测技术》2006年第1期95-99,共5页Nuclear Electronics & Detection Technology

摘　　要：BESⅢ在线数据获取系统的事例筛选将使用软件的方法进行实时事例选择,把事例率降低到3 kH z以下。遵循尽可能重用BESⅢ离线数据处理软件的原则,根据在线事例选择的要求,开发了BESⅢ事例选择流程控制软件。初步测试表明事例选择流程控制软件可以成功地和数据获取系统集成,并且满足BESⅢ实验的基本要求。The BES Ⅲis a general purpose experiment at BEPC I currently under construction in Beijing. The Event Filter of the BES Ⅲ DAQ performs real-time event selection using software method and reduces event rate to -3 kHz. In order to share major software components with offline data processing, the flow control software for BES Ⅲ event selection has been implemented, based on requirements from control flow of event selection. The event selection flow control software has also been integrated with the data acquisition system and the preliminary test results show that it satisfies the basic requirements of the BES Ⅲexperiment.

关 键 词：BESⅢ 在线事例筛选 事例选择 Gaudi 流程控制 

分 类 号：TL817[核科学技术—核技术及应用]