Charge amplitude distribution of the Gossip gaseous pixel detector


Blanco Carballo, V.M. and Chefdeville, M. and Colas, P. and Giomataris, Y. and Graaf, H. van der and Gromov, V. and Hartjes, F. and Kluit, R. and Koffeman, E. and Salm, C. and Schmitz, J. and Smits, S.M. and Timmermans, J. and Visschers, J.L. (2007) Charge amplitude distribution of the Gossip gaseous pixel detector. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 583 (1). pp. 42-48. ISSN 0168-9002

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Abstract:The Gossip gaseous pixel detector is being developed for the detection of charged particles in extreme high radiation environments as foreseen close to the interaction point of the proposed super LHC. The detecting medium is a thin layer of gas. Because of the low density of this medium, only a few primary electron/ion pairs are created by the traversing particle. To get a detectable signal, the electrons drift towards a perforated metal foil (Micromegas) whereafter they are multiplied in a gas avalanche to provide a detectable signal. The gas avalanche occurs in the high field between the Micromegas and the pixel readout chip (ROC). Compared to a silicon pixel detector, Gossip features a low material budget and a low cooling power. An experiment using X-rays has indicated a possible high radiation tolerance exceeding 1016 hadrons/cm2.
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Copyright:© 2007 Elsevier Science
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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