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

M. Reichmann,A. Alexopoulos,M. Artuso,F. Bachmair, L. Bäni, M. Bartosik, J. Beacham,H. Beck,V. Bellini,V. Belyaev, B. Bentele,A. Bes,J-M. Brom,M. Bruzzi,G. Chiodini,D. Chren, V. Cindro,G. Claus, J. Collot, J. Cumalat,A. Dabrowski,R. D’Alessandro,D. Dauvergne,W. de Boer, S. Dick, C. Dorfer, M. Dünser,G. Eigen,V. Eremin, G.T. Forcolin,J. Forneris, L. Gallin-Martel, M.L. Gallin-Martel,K.K. Gan, M. Gastal, C. Giroletti, M. Goffe,J. Goldstein, A. Golubev, A. Gorišek, E. Grigoriev, J. Grosse-Knetter,A. Grummer,B. Gui, M. Guthoff, B. Hiti, D. Hits,M. Hoeferkamp,T. Hofmann, J. Hosselet,J-Y. Hostachy, F. Hügging,C. Hutton,J. Janssen,H. Kagan,K. Kanxheri,G. Kasieczka,R. Kass,M. Kis, G. Kramberger,S. Kuleshov,A. Lacoste,S. Lagomarsino,A. Lo Giudice,I. López Paz,E. Lukosi, C. Maazouzi, I. Mandic,A. Marino,C. Mathieu,M. Menichelli,M. Mikuž,A. Morozzi,J. Moss, R. Mountain,A. Oh, P. Olivero,D. Passeri, H. Pernegger,R. Perrino,M. Piccini,F. Picollo,M. Pomorski, R. Potenza, A. Quadt,F. Rarbi,A. Re, S. Roe,D.A. Sanz Becerra, M. Scaringella, C.J. Schmidt,E. Schioppa,S. Schnetzer,S. Sciortino,A. Scorzoni,S. Seidel,L. Servoli,D.S. Smith, B. Sopko,V. Sopko,S. Spagnolo,S. Spanier,K. Stenson,R. Stone, B. Stugo, C. Sutera, B. Tannenwald, M. Traeger,W. Trischuk,D. Tromson,M. Truccato,C. Tuve,J. Velthuis, N. Venturi, S. Wagner,R. Wallny, J.C. Wang, J. Weingarten,C. Weiss, N. Wermes, M. Yamouni, M. Zalieckas,M. Zavrtanik,P.S. Salter,M. Chmeissani,S. Grinstein, D. Vazquez Furelos

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2020）

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摘要

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%.

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关键词

Chemical Vapour Deposition,pCVD diamond,Diamond detectors,3D diamond detectors,3D sensors,Radiation tolerant detectors,Particle flux

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