1

WP17

DISSEMINATION MATERIAL

2

THGEM PRODUCED WITH DIFFERENT TECHNOLOGIES

R3

P1

W2

P1:D=0.8 mmPitch=2 mmRim=0.04 mmThick=1mm

R3:D=0.2 mmPitch=0.5 mmRim=0.01 mmThick=0.2mm

W2:D=0.3 mmPitch=0.7 mmRim=0.1 mmThick=0.4mm

A MULTIPARAMETER SPACE TO EXPLORE !4 geometrical parameters: diameter pitch rim thickness+ material + production procedure

A MULTIPARAMETER SPACE TO EXPLORE !4 geometrical parameters: diameter pitch rim

thickness+ material + production procedure

3

LARGE SIZE THGEMs

RICH2010, Cassis 2-7/5/2010 Gaseous Photon Detectors Silvia DALLA TORRE

600 x 600 mm2

~600,000 holes/piece

4

DETECTOR ARCHITECTURE

RICH2010, Cassis 2-7/5/2010 Gaseous Photon Detectors Silvia DALLA TORRE

plane of wires

THGEM 1

anode

anode pad

CsI film

THGEM 2

THGEM 3

HV

quartzwindow

5

SINGLE PHOTON DETECTOR - SIGNALS

RICH2010, Cassis 2-7/5/2010 Gaseous Photon Detectors Silvia DALLA TORRE

Ar/CH4: 50/50

Effective gain:0.91 · 106

6

TOWARDS NOVEL PHOTONCONVERTERS :MULTIWALL CARBON NANOTUBES (MWCNT)

RICH2010, Cassis 2-7/5/2010 Gaseous Photon Detectors Silvia DALLA TORRE

MWCNTs

CARPET

BUNDLE

TEM Image

SEM Images