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G. Battistoni, A. Ferrari, C. Pardi in collaboration with LNGS/Aq group Some progress in the light production/transport simulation in ICARUS using FLUKA.

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Presentation on theme: "G. Battistoni, A. Ferrari, C. Pardi in collaboration with LNGS/Aq group Some progress in the light production/transport simulation in ICARUS using FLUKA."— Presentation transcript:

1 G. Battistoni, A. Ferrari, C. Pardi in collaboration with LNGS/Aq group Some progress in the light production/transport simulation in ICARUS using FLUKA

2 Reproduce some muon data from actual data (both with “vertical” and “horizontal” trigger) with and without Rayleigh scattering Usual conditions: no reflection from cathode 128 cathode holes at 60% 24000 photons/MeV @ 128 nm no detailed PMT eff.

3 Comparison with data run 649 minimal distance (cm) ADC counts pmt#1 pmt#2 pmt#3 pmt#4 photons From last J. Lagoda presentation: “Vertical” muons

4 This work: Reproducing muons from Run 649 (reconstruction got from J. Lagoda + LNGS people) “Vertical” Muons No Rayleigh Rayleigh with = 90 cm

5 Comparison with data run 781 ADC counts minimal distance (cm) pmt#1 pmt#2 pmt#3 pmt#4 photons “Horizontal” muons

6 This work: Reproducing muons from Run 781 No Rayleigh Rayleigh with = 90 cm “Horizontal” Muons

7 Remarks Introducing Rayleigh scattering increases the slope in the plot of Npho vs distance from PMT Slope of ADC counts vs distance from PMT in real data is closer to the case of no Rayleigh Scattering (~as in first LNGS simulation) But R.Sc. must be there ! (plus maybe some absorption) So what is missing? Are there any saturation in PMT pulses in real data? NOT IN THESE RUNS (Selected events)

8 Some news about FLUKA Since Feb 19 th there exists a scientific agreement between INFN, CERN (EP and AB divisions) and FLUKA authors to develop maintain and distribute FLUKA to HEP community Main milestone: a full release within 18 months with a proper licence (already a milestone of INFN Gr.V)

9 A Beginner's course My idea and intention is still valid (delayed due to FLUKA issues and work on T600 paper) LNGS agrees to host a FLUKA course provided it is general and not only for ICARUS. This is not a problem Project: 3 days, including examples dedicated to underground physics plus a dedicated appendix to specific Icarus library and cases When: we cannot think of it before CHEP-2003 (end of March) most likely April or May

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