期刊文献+

BEPC-Ⅱ质心系能量离线刻度方法研究

Offline Study of the Center-of-mass Energy Calibration of BEPC-Ⅱ
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摘要 利用在e+e-对撞质心系能量为3.773 GeV处D介子成对产生的特性,利用重建单标记D介子的能量发展了刻度BEPC-Ⅱ质心系能量的方法.利用此方法,可以离线精确刻度BESⅢ探测器在3.773 GeV附近采集数据时BEPC-Ⅱ的质心系能量. By using the characteristic of pair production of D mesons at center-of-mass en- ergy of 3. 773 GeV, we developed a method to calibrate the center-of-mass energy of BEPC-Ⅱ by reconstructing single tag D meson. This method can be used to precisely calibrate the center-of-mass energy of BEPC-Ⅱ offline when BESIII detector collecting data at 3. 773 GeV.
出处 《南华大学学报(自然科学版)》 2012年第3期9-11,25,共4页 Journal of University of South China:Science and Technology
基金 国家自然科学青年基金资助项目(11205082 11205083) 南华大学博士科研启动基金资助项目(2011XQD28 2010XQD29)
关键词 BEPC-Ⅱ D介子 能量刻度 BEPC-Ⅱ D mesons energy calibration
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