Author/Authors :
Reichwein، نويسنده , , I and Werthenbach، نويسنده , , U and Zech، نويسنده , , G، نويسنده ,
Abstract :
Groove chambers with different pitch and gap height have been tested. Gas amplifications of the order of a few times 103 have been obtained. Combining a groove structure with a GEM pre-amplification foil a gas gain of 105 was reached. The device is robust and can be produced at low cost in large sizes by a laser technique.
