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Published December 2000 | Published
Journal Article Open

Results of L3 BGO calorimeter calibration using an RFQ accelerator


A novel calibration system based on a radiofrequency-quadrupole (RFQ) accelerator has been installed in the L3 experiment. Radiative capture of 1.85 MeV protons from the RFQ accelerator in a lithium target produces a flux of 17.6 MeV photons which are used to calibrate 11000 crystals of the L3 BGO calorimeter. In this paper we present results of the RFQ run taken in November 1997. A calibration precision of 0.6% was reached in the barrel of the L3 BGO calorimeter, and 0.7% in the BGO endcaps.

Additional Information

© 2000 IEEE. This work was supported in part by the U.S. Department of Energy Grant No. DE-FG03-92-ER40701.

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August 19, 2023
October 19, 2023