Cosmic Ray ProjectCosmic Ray Project

Cosmic RaysCosmic Rays

High energy particlesHigh energy particles Source unknownSource unknown Earth’s atmosphere causes them Earth’s atmosphere causes them

to showerto shower

DetectorsDetectors

Plastic scintillators collect cosmic Plastic scintillators collect cosmic raysrays

Funneled to photomultiplierFunneled to photomultiplier Oscilloscope detects electrical Oscilloscope detects electrical

signalsignal Discriminator detects signals Discriminator detects signals

above a designated threshhold above a designated threshhold

Our ClassOur Class

Studied Cosmic RaysStudied Cosmic Rays

Built DetectorsBuilt Detectors

Tested DetectorsTested Detectors

My ImpressionsMy Impressions

OverwhelmingOverwhelming InterestingInteresting ExcitingExciting

Thank YouThank You