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An EMC for Super B

This study focuses on improving the Electromagnetic Calorimeter (EMC) for the SuperB accelerator, addressing the challenges posed by backgrounds and radiation damage experienced in conventional colliders. We propose the use of faster scintillators, specifically LSO or LYSO, to enhance performance in the endcap region, where multi-Bhabhas occur within the decay/integration time of CsI(Tl). Additionally, the development of a liquid Xe scintillation counter is underway, although its integration into SuperB may present challenges. Insights and data comparisons on scintillator performance are presented.

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An EMC for Super B

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Presentation Transcript

  1. An EMC for SuperB • With the likely time structure of SuperB, backgrounds and radiation damage to the EMC should be reduced from those at a 1036 conventional collider • In the endcap region, at least, there will be multi-Bhabhas within the decay/integration time of the CsI(Tl) • A faster scintillator with a smaller Molière radius may be needed • We have an excellent candidate in LSO or LYSO, which is under active study by Ren-Yuan Zhu at Caltech • We are also developing a liquid Xe scintillation counter,although this is more difficult to integrate into an existing detector and is probably irrelevant to SuperB David Hitlin Frascati SuperB Workshop March 16/17, 2006

  2. Scintillating Crystals for HEP David Hitlin Frascati SuperB Workshop March 16/17, 2006 a. at peak of emission; b. up/low row: slow/fast component; c. measured with bi-alkali PMT

  3. Comparison of CsI(Tl) and LSO spectra and readout David Hitlin Frascati SuperB Workshop March 16/17, 2006

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