New test beam results of 3D and pad detectors constructed with poly-crystalline CVD diamond

Chemical Vapour Deposition (CVD) diamond is being considered as a material for particle detectors in a harsh radiation environment. This article presents beam test results of 3D pixel detectors fabricated with poly-crystalline CVD diamonds. The cells of the devices had a size of 50µm×50µm with colum...

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Published in:	Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 958; p. 162675
Main Authors:	Alexopoulos, A., Artuso, M., Bachmair, F., Bartosik, M., Beacham, J., Belyaev, V., Bentele, B., Brom, J-M., Bruzzi, M., Chiodini, G., Chren, D., Cindro, V., Claus, G., Cumalat, J., D’Alessandro, R., Dauvergne, D., Dick, S., Dorfer, C., Dünser, M., Eigen, G., Forcolin, G.T., Gallin-Martel, L., Gallin-Martel, M.L., Gan, K.K., Gastal, M., Goldstein, J., Golubev, A., Grigoriev, E., Grosse-Knetter, J., Grummer, A., Guthoff, M., Hiti, B., Hits, D., Hoeferkamp, M., Hofmann, T., Hosselet, J., Hostachy, J-Y., Hügging, F., Hutton, C., Janssen, J., Kagan, H., Kanxheri, K., Kasieczka, G., Kass, R., Kis, M., Kramberger, G., Kuleshov, S., Lacoste, A., Lagomarsino, S., Paz, I. López, Lukosi, E., Maazouzi, C., Mandic, I., Marino, A., Mathieu, C., Menichelli, M., Mikuž, M., Morozzi, A., Moss, J., Mountain, R., Oh, A., Olivero, P., Passeri, D., Pernegger, H., Perrino, R., Piccini, M., Picollo, F., Pomorski, M., Quadt, A., Rarbi, F., Re, A., Becerra, D.A. Sanz, Scaringella, M., Schmidt, C.J., Schioppa, E., Schnetzer, S., Scorzoni, A., Servoli, L., Sopko, B., Stenson, K., Sutera, C., Tannenwald, B., Trischuk, W., Tromson, D., Truccato, M., Tuve, C., Velthuis, J., Venturi, N., Wagner, S., Wallny, R., Wang, J.C., Weingarten, J., Weiss, C., Wermes, N., Yamouni, M., Zalieckas, M., Zavrtanik, M., Chmeissani, M., Grinstein, S., Furelos, D. Vazquez
Format:	Journal Article
Language:	English
Published:	Netherlands Elsevier B.V 01-04-2020 Elsevier
Subjects:	3D diamond detectors 3D sensors Chemical Vapour Deposition Diamond detectors Particle flux pCVD diamond Radiation tolerant detectors Particle flux Radiation tolerant detectors Diamond detectors 3D sensors Chemical Vapour Deposition pCVD diamond 3D diamond detectors
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Summary:	Chemical Vapour Deposition (CVD) diamond is being considered as a material for particle detectors in a harsh radiation environment. This article presents beam test results of 3D pixel detectors fabricated with poly-crystalline CVD diamonds. The cells of the devices had a size of 50µm×50µm with columns 2.6µm in diameter. The cells were ganged in a 3×2 and 5×1 pattern to match the layouts of the pixel read-out electronics currently used in the CMS and ATLAS experiments at the Large Hadron Collider, respectively. In beam tests, using tracks reconstructed with a high precision tracking telescope, a tracking efficiency of 99.3% was achieved. The efficiency of both devices plateaus at a bias voltage of 30V. Also irradiated poly-crystalline CVD diamond pad detectors were investigated. In high rate beam tests with particle fluxes up to 20MHz/cm2 and irradiations up to 8 ⋅ 1015n/cm2 it was shown that the pulse height of irradiated poly-crystalline CVD diamonds does not depend on flux to the O2%.
Bibliography:	USDOE SC0010061
ISSN:	0168-9002 1872-9576
DOI:	10.1016/j.nima.2019.162675