muon de/dx at caldet

16th December HEP Group Day 1

Muon dE/dX at CalDet

Leo Jenner

16th December HEP Group Day 2

IntroductionIntroduction

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

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MINOSMINOS

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Cosmic Ray MuonsCosmic Ray Muons

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Muons, Electrons and PionsMuons, Electrons and Pions

ElectronPion

Pion?

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Raw Events in CovsRaw Events in Covs

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Energy loss – Bethe-BlochEnergy loss – Bethe-Bloch

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An example ADC distribution…An example ADC distribution…

90% truncation

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Simple Fit to 1.8 GeV muonsSimple Fit to 1.8 GeV muons

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New Bethe-Bloch Fit

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Summary…Summary…

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

Investigate Bethe-Bloch at different energies

Different beam-lines