Speaker
Mr
Francisco Jose Iguaz Gutierrez
(CEA - Centre d'Etudes de Saclay (CEA))
Description
A new Micromegas manufacturing technique, based on kapton etching technology, has been recently developped, improving the uniformity and stability of this kind of readouts. Excellent energy resolutions have been obtained, reaching a 11% FWHM for the 5.9 keV photon peak of 55Fe source and 1.8% FWHM for the 5.5 MeV alpha peak of the 241Am source. The new detector has other advantages like its flexible structure, low material and high radio-purity. The two actual approaches of this technique will be described and the features of these readouts in argon-isobutane mixtures will be presented. Moreover, the low material present in the amplification gap makes these detectors approximate the Rose and Korff model for the avalanche amplification, which will be discussed for the same type of mixtures. Finally, we will present several applications of the microbulk technique.
Author
Mr
Francisco Jose Iguaz Gutierrez
(CEA - Centre d'Etudes de Saclay (CEA))
Co-authors
Mrs
Esther Ferrer-Ribas
(CEA - Centre d'Etudes de Saclay (CEA))
Mr
Igor G. Irastorza
(Laboratorio de F\'isica Nuclear y Astropart\'iculas, Universidad de Zaragoza, Zaragoza, Spain)
Mr
Ioannis Giomataris
(CEA - Centre d'Etudes de Saclay (CEA))
