Pion Absorption and Charge Exchange Cross Section Analysis Outline - - PowerPoint PPT Presentation

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Pion Absorption and Charge Exchange Cross Section Analysis Outline - - PowerPoint PPT Presentation

Apr 10, 2024 552 likes •996 views

Pion Absorption and Charge Exchange Cross Section Analysis Outline 2 Technical Specifications protoduneana protoduneana/singlephase/Pion/PionAnalyzer_module.cc 3 Thin Slice

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SLIDE 1

Pion Absorption and Charge Exchange Cross Section Analysis

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SLIDE 2

Outline

  • →
  • 2
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SLIDE 3

protoduneana

protoduneana/singlephase/Pion/PionAnalyzer_module.cc

  • ★

★

Technical Specifications

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SLIDE 4

Thin Slice Method

σ ~

  • ○
  • ○

■

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SLIDE 5

Thin Slice Method -- MC Truth

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SLIDE 6

Signal & Background Definition

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SLIDE 7

Combined Signal Definition

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SLIDE 8

Signal Definition

  • π

π

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SLIDE 9

Backgrounds

  • ○
  • π
  • π

○

π

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SLIDE 10

Background -- Vertex

→ →

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SLIDE 11

Background -- Vertex

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SLIDE 12

Event Selection

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SLIDE 13

Event Selection - a Flow Chart

  • π
  • π
  • π

➢ ➢ π

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SLIDE 14

Event Selection - a Flow Chart

  • π
  • π
  • π

➢ ➢ π

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SLIDE 15
  • ○
  • Beam Line Selection

Incident Beam Track Reconstructed cosmic tagged as beam -- reject this Reconstructed beam particle

  • - accept this

TPC

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SLIDE 16

Event Selection - a Flow Chart

  • π
  • π
  • π

➢ ➢ π

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Incident Particles

π+/μ+ π+/μ+

  • →

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SLIDE 18

Beam Cuts

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SLIDE 19

End Position Cut

  • ★

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SLIDE 20

Event Selection - a Flow Chart

  • π
  • π
  • π

➢ ➢ π

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SLIDE 21
  • ○
  • →
  • →

Track/Shower Discrimination

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SLIDE 22

π

Distance to Vertex

→

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SLIDE 23

π -- p Separation

χ → →

π

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SLIDE 24

Event Selection - a Flow Chart

  • π
  • π
  • π

➢ ➢ π

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SLIDE 25

Distance to Vertex -- Showers

  • 25
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SLIDE 26

Number of Hits -- Showers

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SLIDE 27

Event Selection - Performance

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SLIDE 28

Event Selection Cut Flow MC & Data

→ π+/μ+ → → → →

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SLIDE 29

Event Selection Cut Flow MC & Data

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→ → →

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SLIDE 30

➢ ➢

Event Selection Purity and Efficiency

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SLIDE 31
  • ○
  • ○

χ

  • ○

Next Steps

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SLIDE 32

Some Event Displays for Illustration

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SLIDE 33

Data Fun!!

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SLIDE 34

Data Fun!!

  • π

○

π

  • π

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SLIDE 35

Data Fun!!

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SLIDE 36

Data Fun!!

  • ○
  • →

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SLIDE 37

Thanks for listening!

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SLIDE 38

Backup Slides

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SLIDE 39

Daughter Calorimetry

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SLIDE 40

Event Selection Cut Flow MC & Data

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SLIDE 41

deltaZ

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SLIDE 42

Shower deltaZ

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