CMS UPGRADE

SPECTR

OPHOTO

GRAPHY

CMS UPGRADE TEAM Mike McKenna - HEP Lab Manager

Barry Baumbaugh – Prof. SpecialistMark Vigneault – HEP TechnicianBrian Dolezal – Saint Joseph H.S.

John Taylor – Elkhart Memorial H.S.Jeremy Wegner – Winamac H.S. Andrew Henderson – Adams H.S.

Justin Skycak – Marian H.S.

RADIATION DAMAGE IN THE CMS DETECTOR

IRRADIATED SAMPLES OF EJ 309

No Radiation 1 Mrad 10 Mrad 50 MRad 100 MRad

SPECTROSCOPY

150 200 250 300 350 400 450 500 550 600 6500

100

200

300

400

500

600EJ 309

Radiation Damage EJ 309 No Rad Emission

Wavelength (nm)

Inte

nsity

a. u

.

no radiation

1 MRad

10 MRad

50 MRad

100 MRad

ENDPOINT DETERMINATION

SiPM Sample

Sr 90 Source

JUSTIN’S FORMULA FOR ANALYZING OUTPUT

EJ 309 NO RADIATION

EJ 309 1 MRAD

EJ 309 10 MRAD

EJ 309 50 MRAD

EJ 309 100 MRAD