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Tau Neutrino Optimization Results
Michael Dolce
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From “LBNF/DUNE CDR Volume 3: The Long-Baseline Neutrino Facility for DUNE”
Target Carrier & Baffle Horn 1 Horn 2
DUNE reference design with NuMI style horns
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Tau Neutrino Optimization Results Michael Dolce 1 DUNE reference - - PowerPoint PPT Presentation
Tau Neutrino Optimization Results Michael Dolce 1 DUNE reference - - PowerPoint PPT Presentation
Tau Neutrino Optimization Results Michael Dolce 1 DUNE reference design with NuMI style horns Horn 2 Horn 1 Target Carrier & Baffle From LBNF/DUNE CDR Volume 3: The Long-Baseline Neutrino Facility for DUNE 2 NuMI Style
SLIDE 2
SLIDE 3
NuMI Style Configuration
Beam width/height 1.5 mm Target shape “BOX” Target width 6.4 mm Target height 20.0 mm Target density 1.754 g/cm3
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LBNF Style Configuration
Beam width/height 1.7 mm Target shape “BOX” Target width 10.0 mm Target height 20.73 mm Target density 1.754 g/cm3
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SLIDE 5
Parameters
Target length 0.9538 m 2.3719 m Target distance to horn 1
(0.42 m) ref)
1.5 m 2.0 m 2.85 m Horn 2 Location 6 m … 17 m Horn 1 & 2 current 200 kA 230 kA
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SLIDE 6
Target Design Parameters Events NuMI 1m target length target distance 2.0m current 230kA 809 NuMI 2m target length target distance 2.0m current 230kA 827 LBNF 1m target length target distance 2.0m current 230kA 764 LBNF 2m target Length target distance 2.0m current 230kA 721
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Target Design Parameters Events NuMI 1m target length target distance 2.0m current 230kA 809 NuMI 2m target length target distance 2.0m current 230kA 827 LBNF 1m target length target distance 2.0m current 230kA 764 LBNF 2m target Length target distance 2.0m current 230kA 721 — — — NuMI 2m target length
target distance 2.0m, current 230kA, beam width/height 1.1m
839
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SLIDE 13
Conclusion
- Of the four configurations, the NuMI style horn
produces the most tau neutrinos (> 800 events). Specifically, the 2m long NuMI style target is best producing 827 events.
- The next thing to do is to compare these events to
the three horns design.
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SLIDE 14
Back up
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SLIDE 16
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