April 2006 Jean-Sébastien Graulich Slide 1

Pmts and ScintillatorsPmts and Scintillators

o Used Material in Geneva

- Big Scintillator Slabs + Pmts

- XP2972, 1” Pmts + Voltage Divider

o Quotation for new Scintillator

April 2006 Jean-Sébastien Graulich Slide 2

Big scintillator slabsBig scintillator slabs

Scintillator dimension: 130 cm x 20 cm x 8 Scintillator dimension: 130 cm x 20 cm x 8 cmcm

Equipped with light guides and 4” Pmts Equipped with light guides and 4” Pmts (many spare Pmts)(many spare Pmts)

300 cm long when equipped !300 cm long when equipped ! ~ 15 years old, not used for 9 years~ 15 years old, not used for 9 years 24 pieces available24 pieces available Not testedNot tested Not easy to handleNot easy to handle

April 2006 Jean-Sébastien Graulich Slide 3

4” PMts4” PMts

I have been told they are XP2041 (labels I have been told they are XP2041 (labels are gone…)are gone…)

Base + Iron shield + Mu-metal Shield Base + Iron shield + Mu-metal Shield availableavailable

About 50 piecesAbout 50 pieces

April 2006 Jean-Sébastien Graulich Slide 4

1” Pmts1” Pmts

XP 2972, 10 stagesXP 2972, 10 stages Equipped with Voltage Equipped with Voltage

DividerDivider No mounting nor No mounting nor

shieldingshielding More than 200 easily More than 200 easily

available (much more if available (much more if we dig a bit…)we dig a bit…)

April 2006 Jean-Sébastien Graulich Slide 5

1” Pmts1” Pmts Example of integration (not usable for Example of integration (not usable for

MICE)MICE) 24 scintillator slabs (4cm x 4cm x 24 scintillator slabs (4cm x 4cm x 40cm40cm) ) Used as TOF stations (~ 1m x 1m total size)Used as TOF stations (~ 1m x 1m total size)

Scintillator

Light Guide + Pmts

April 2006 Jean-Sébastien Graulich Slide 6

Quotation for new Quotation for new ScintillatorScintillator

BC-408 Plastic Scintillators Bars BC-408 Plastic Scintillators Bars Edges diamond tool finishEdges diamond tool finish Prices are Ex Works Newbury Ohio USA.Prices are Ex Works Newbury Ohio USA. 1000mm x 100mm slabs, various thickness:1000mm x 100mm slabs, various thickness:

10mm thick: USD 340 / piece 20mm thick: USD 460 / piece 30mm thick: USD 630 / piece 40mm thick: USD 760 / piece 60mm thick: USD 820 / piece 80mm thick: USD 900 / piece

Price/thickness decreases continouslyPrice/thickness decreases continously Prices valid for at least 10 pieces orderPrices valid for at least 10 pieces order Probably cheaper at CERN (to be checked)Probably cheaper at CERN (to be checked)