muon de/dx at caldet

12
16th December HEP Group Day 1 Muon dE/dX at CalDet Leo Jenner

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Muon dE/dX at CalDet. Leo Jenner. Introduction. Calibration in MINOS Particles in CalDet Pion/muon separation Bethe-Bloch fits. MINOS. Cosmic Ray Muons. Muons, Electrons and Pions. Electron. Pion. Pion?. Raw Events in Covs. Energy loss – Bethe-Bloch. An example ADC distribution…. - PowerPoint PPT Presentation

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Page 1: Muon dE/dX at CalDet

16th December HEP Group Day 1

Muon dE/dX at CalDet

Leo Jenner

Page 2: Muon dE/dX at CalDet

16th December HEP Group Day 2

IntroductionIntroduction

• Calibration in MINOS• Particles in CalDet• Pion/muon separation• Bethe-Bloch fits

Page 3: Muon dE/dX at CalDet

16th December HEP Group Day 3

MINOSMINOS

Page 4: Muon dE/dX at CalDet

16th December HEP Group Day 4

Cosmic Ray MuonsCosmic Ray Muons

Page 5: Muon dE/dX at CalDet

16th December HEP Group Day 5

Muons, Electrons and PionsMuons, Electrons and Pions

ElectronPion

Pion?

Page 6: Muon dE/dX at CalDet

16th December HEP Group Day 6

Page 7: Muon dE/dX at CalDet

16th December HEP Group Day 7

Raw Events in CovsRaw Events in Covs

Page 8: Muon dE/dX at CalDet

16th December HEP Group Day 8

Energy loss – Bethe-BlochEnergy loss – Bethe-Bloch

Page 9: Muon dE/dX at CalDet

16th December HEP Group Day 9

An example ADC distribution…An example ADC distribution…

90% truncation

Page 10: Muon dE/dX at CalDet

16th December HEP Group Day 10

Simple Fit to 1.8 GeV muonsSimple Fit to 1.8 GeV muons

Page 11: Muon dE/dX at CalDet

16th December HEP Group Day 11

New Bethe-Bloch Fit

Page 12: Muon dE/dX at CalDet

16th December HEP Group Day 12

Summary…Summary…

• Pion/muon separation for NC/CC • Still need cleaner muon sample

Investigate Bethe-Bloch at different energies

Different beam-lines