Bibliographic Details
| Title: |
The detection of single electrons using a Micromegas gas amplification and a MediPix2 CMOS pixel readout |
| Authors: |
Fornaini, A.1,2 aforna@nikhef.nl, Campbell, M.3, Chefdeville, M.4, Colas, P.4, Colijn, A.P.1, van der Graaf, H.1, Giomataris, Y.4, Heijne, E.H.M.3, Kluit, P.1, Llopart, X.3, Schmitz, J.2,5, Timmermans, J.1, Visschers, J.L.1 |
| Source: |
Nuclear Instruments & Methods in Physics Research Section A. Jul2005, Vol. 546 Issue 1/2, p270-273. 4p. |
| Subjects: |
Complementary metal oxide semiconductors, Cathode rays, Physics instruments, Particles (Nuclear physics) |
| Abstract: |
Abstract: By placing a Micromegas gas gain grid on top of a CMOS pixel readout circuit (MediPix2), we developed a device which acts as a pixel-segmented direct anode in gas-filled detectors. With a He/Isobutane 80/20 mixture (capable of achieving gas gain factors up to ) and employing a drift length of 15mm, signals from radioactive sources and cosmic radiation were measured. Single primary electrons originating from the passage of cosmic muons through the gas volume were detected with an efficiency higher than 90%. [Copyright &y& Elsevier] |
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| Database: |
Engineering Source |
