Calibration of the L3 BGO calorimeter using an RFQ accelerator

A. Favara, U. Chaturvedi, M. Gataullin, G. Gratta, D. Kirkby, W. Lu, H. Newman, A. Shvorob, Christopher George Tully, R. Zhu

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

An improved calibration technique based on a radio-frequency-quadrupole (RFQ) accelerator is presented. A high-intensity flux of 17.6 MeV photons, produced by radiative capture of 1.85 MeV protons from the RFQ in a lithium target, is used to calibrate 11000 crystals of the L3 BGO calorimeter. In this paper, we present results obtained for the calibration of 1997 and 1998 L3 data samples. For the first time a calibration precision better than 0.5% is reached for the entire BGO calorimeter.

Original languageEnglish (US)
Pages (from-to)465-470
Number of pages6
JournalNuclear Physics B - Proceedings Supplements
Volume78
Issue number1-3
DOIs
StatePublished - Aug 1999

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics

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    Favara, A., Chaturvedi, U., Gataullin, M., Gratta, G., Kirkby, D., Lu, W., Newman, H., Shvorob, A., Tully, C. G., & Zhu, R. (1999). Calibration of the L3 BGO calorimeter using an RFQ accelerator. Nuclear Physics B - Proceedings Supplements, 78(1-3), 465-470. https://doi.org/10.1016/S0920-5632(99)00588-5