Transition radiation measurements with a Si and a GaAs pixel sensor on a Timepix3 chip
- Dachs, F.
- Alozy, J.
- Belyaev, N.
- Bergmann, B. L.
- Beuzekom, M. van
- Billoud, T. R. V.
- Burian, Petr
- Broulím, Pavel
- Campbell, M.
- Chelkov, G.
- Cherry, M.
- Doronin, S.
- Filippov, K.
- Fusco, P.
- Gargano, F.
- Heijden, B. van der
- Heijne, E. H. N.
- Konovalov, S.
- Cudie, X. L.
- Loparco, F.
- Mascagna, V.
- Mazziotta, M. N.
- Meduna, L.
- Pernegger, H.
- Ponomarenko, D.
- Pospíšil, S.
- Prest, M.
- Rembser, C.
- Romaniouk, A.
- Savchenko, A. A.
- Schaefer, D.
- Schioppa, E. J.
- Sergeeva, D.
- Shchukin, D.
- Shulga, E.
- Smirnov, S.
- Smirnov, Y.
- Smolyanskiy, P.
- Soldani, M.
- Spinelli, P.
- Strikhanov, M.
- Teterin, P.
- Tikhomirov, V.
- Tishchenko, A.A.
- Vallazza, E.
- Vorobev, K.
- Zhukov, K.
DOIAbstract
Growing energies of particles at modern or planned particle accelerator experiments as well as cosmic rayexperiments require particle identification at gamma-factors () of up to∼105. At present there are no detectorscapable of identifying charged particles with reliable efficiency in this range of. New developments in highgranular pixel detectors allow one to perform simultaneous measurements of the energies and the emissionangles of generated transition radiation (TR) X-rays and use the maximum available information to identifyparticles. First results of studies of TR energy-angular distributions using gallium arsenide (GaAs) sensorsbonded to Timepix3 chips are presented. The results are compared with those obtained using a silicon (Si)sen...
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