We have designed and implemented an experiment to measure the angular distributions and the energy spectra of the transition radiation X-rays emitted by fast electrons and positrons crossing different radiators. Our experiment was selected among the proposals of the 2021 Beamline for Schools contest, a competition for high-school students organized every year by CERN, and was performed at the DESY II Test Beam facility area TB21, using a high-purity beam of electrons or positrons with momenta in the range from 1 to 6 GeV/c. The measurements were performed using a 100 mu m thick silicon pixel detector, with a pitch of 55 mu m. Our results are consistent with the expectations from the theoretical models describing the production of transition radiation in multilayer regular radiators.
The EXTRA-BL4S experiment for the measurement of the energy and angular distributions of transition radiation X-rays
Mario Nicola Mazziotta
;Francesco Loparco
;Maria Filomena Muscarella;
2023-01-01
Abstract
We have designed and implemented an experiment to measure the angular distributions and the energy spectra of the transition radiation X-rays emitted by fast electrons and positrons crossing different radiators. Our experiment was selected among the proposals of the 2021 Beamline for Schools contest, a competition for high-school students organized every year by CERN, and was performed at the DESY II Test Beam facility area TB21, using a high-purity beam of electrons or positrons with momenta in the range from 1 to 6 GeV/c. The measurements were performed using a 100 mu m thick silicon pixel detector, with a pitch of 55 mu m. Our results are consistent with the expectations from the theoretical models describing the production of transition radiation in multilayer regular radiators.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
