Title

Transition radiation measurements with a Si and a GaAs pixel sensor on a Timepix3 chip

Authors

F. Dachs, European Organization for Nuclear Research
J. Alozy, European Organization for Nuclear Research
N. Belyaev, National Research Nuclear University MEPhI
B. L. Bergmann, Institute of Experimental and Applied Physics Czech Technical University in Prague
M. van Beuzekom, FOM-Institute of Subatomic Physics - NIKHEF
T. R.V. Billoud, University of Montreal
P. Burian, Institute of Experimental and Applied Physics Czech Technical University in Prague
P. Broulim, University of West Bohemia
M. Campbell, European Organization for Nuclear Research
G. Chelkov, Joint Institute for Nuclear Research, Dubna
M. Cherry, Louisiana State University
S. Doronin, National Research Nuclear University MEPhI
K. Filippov, National Research Nuclear University MEPhI
P. Fusco, Istituto Nazionale di Fisica Nucleare, Sezione di Bari
F. Gargano, Politecnico di Bari
B. van der Heijden, FOM-Institute of Subatomic Physics - NIKHEF
E. H.M. Heijne, European Organization for Nuclear Research
S. Konovalov, P.N. Lebedev Physical Institute of the Russian Academy of Sciences
X. L. Cudie, European Organization for Nuclear Research
F. Loparco, Istituto Nazionale di Fisica Nucleare, Sezione di Bari
V. Mascagna, Istituto Nazionale di Fisica Nucleare, Sezione di Milano-Bicocca
M. N. Mazziotta, Politecnico di Bari
L. Meduna, Institute of Experimental and Applied Physics Czech Technical University in Prague
H. Pernegger, European Organization for Nuclear Research
D. Ponomarenko, National Research Nuclear University MEPhI
S. Pospisil, Institute of Experimental and Applied Physics Czech Technical University in Prague
M. Prest, Istituto Nazionale di Fisica Nucleare, Sezione di Milano-Bicocca
C. Rembser, European Organization for Nuclear Research
A. Romaniouk, National Research Nuclear University MEPhI
A. A. Savchenko, National Research Nuclear University MEPhI
D. Schaefer, The University of Chicago
E. J. Schioppa, European Organization for Nuclear Research
D. Sergeeva, National Research Nuclear University MEPhI

Document Type

Article

Publication Date

4-1-2020

Abstract

Growing energies of particles at modern or planned particle accelerator experiments as well as cosmic ray experiments require particle identification at gamma-factors (γ) of up to ∼105. At present there are no detectors capable of identifying charged particles with reliable efficiency in this range of γ. New developments in high granular pixel detectors allow one to perform simultaneous measurements of the energies and the emission angles of generated transition radiation (TR) X-rays and use the maximum available information to identify particles. First results of studies of TR energy-angular distributions using gallium arsenide (GaAs) sensors bonded to Timepix3 chips are presented. The results are compared with those obtained using a silicon (Si) sensor of the same thickness of 500 μm. The analysis techniques used for these experiments are discussed.

Publication Source (Journal or Book title)

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

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