Energy Calibration of the BaBar EMC Using the Pi0 Invariant Mass Method

Tanner, David J. ; /Manchester U.

关键词: CALIBRATION;    CALORIMETERS;    PHOTONS;    STATISTICS Instrumentation;    INST;   

DOI  :  10.2172/901853
RP-ID  :  SLAC-R-850
PID  :  OSTI ID: 901853
Others  :  TRN: US200717%%92

学科分类：物理（综合）

美国|英语

来源: SciTech Connect

【 摘 要 】

The BaBar electromagnetic calorimeter energy calibration method was compared with the local and global peak iteration procedures, of Crystal Barrel and CLEO-II. An investigation was made of the possibility of {Upsilon}(4S) background reduction which could lead to increased statistics over a shorter time interval, for efficient calibration runs. The BaBar software package was used with unreconstructed data to study the energy response of the calorimeter, by utilizing the {pi}{sup 0} mass constraint on pairs of photon clusters.