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RIS citation export for THB04: Development of a Transparent Profiler Based on Secondary Electrons Emission for Charged Particle Beams

AU  - Thiebaux, C.
AU  - Blain, G.
AU  - Boyer, B.
AU  - Delagnes, É.
AU  - Gebreyohannes, F.T.
AU  - Geerebaert, Y.
AU  - Gevin, O.
AU  - Haddad, F.
AU  - Koumeir, C.
AU  - Magniette, F.
AU  - Manigot, P.
AU  - Michel, N.
AU  - Poirier, F.
AU  - Servagent, N.
AU  - Sounalet, T.
AU  - Verderi, M.
ED  - Conradie, Lowry
ED  - De Villiers, John Garrett
ED  - Schaa, Volker RW
TI  - Development of a Transparent Profiler Based on Secondary Electrons Emission for Charged Particle Beams
J2  - Proc. of Cyclotrons2019, Cape Town, South Africa, 23-27 September 2019
CY  - Cape Town, South Africa
T2  - International Conference on Cyclotrons and their Applications
T3  - 22
LA  - english
AB  - The PEPITES project* aims at realizing an operational prototype of an ultra-thin, radiation-resistant profiler able to permanently operate on mid-energy (O(100 MeV)) charged particle accelerators. PEPITES uses secondary electron emission (SEE) for the signal because it requires only a minimal thickness of material (10 nm); very linear, it also offers a great dynamic. The lateral beam profile is sampled using segmented electrodes, constructed by thin film methods. Gold strips, as thin as the electrical conductivity allows (~ 50 nm), are deposited on an as thin as possible insulating substrate. When crossing the gold, the beam ejects the electrons by SEE, the current thus formed in each strip allows the sampling. The technique was validated at ARRONAX with 68 MeV proton beams for intensities from 100 fA to 10 nA. SEE is characterized up to 100 nA at ARRONAX and medical energies at CPO**. Electrodes were subjected to doses of up to 10⁹ Gy without showing significant degradation. A demonstrator with dedicated electronics (CEA) will be installed at ARRONAX and used routinely. The performances of the system and its behavior over time will thus be characterized.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 302
EP  - 304
KW  - radiation
KW  - electron
KW  - proton
KW  - detector
KW  - cyclotron
DA  - 2020/06
PY  - 2020
SN  - 978-3-95450-205-9
DO  - doi:10.18429/JACoW-Cyclotrons2019-THB04
UR  - http://jacow.org/cyclotrons2019/papers/thb04.pdf
ER  -