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Review of the development of diamond radiation sensors

Abstract : Diamond radiation sensors produced by chemical vapour deposition are studied for the application as tracking detectors in high luminosity experiments. Sensors with a charge collection distance up to 250 µm have been manufactured. Their radiation hardness has been studied with pions, proton and neutrons up to fluences of 1.9×1015 cm2,5×1015 p cm2 and 1.35×1015 n cm2, respectively. Diamond micro-strip detectors with 50 µm pitch have been exposed in a high-energy test beam in order to investigate their charge collection properties. The measured spatial resolution using a centre-of-gravity position finding algorithm corresponds to the digital resolution for this strip pitch. First results from a strip tracker with a 2×4 cm2 surface area are reported as well as the performance of a diamond tracker read out by radiation-hard electronics with 25 ns shaping time. Diamond pixel sensors have been prepared to match the geometries of the recently available read-out chip prototypes for ATLAS and CMS. Beam test results are shown from a diamond detector bump-bonded to an ATLAS prototype read-out. They demonstrate a 98% bump-bonding efficiency and a digital resolution in both dimensions.
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http://hal.in2p3.fr/in2p3-00012134
Contributor : Magali Damoiseaux <>
Submitted on : Tuesday, May 30, 2000 - 10:36:27 AM
Last modification on : Monday, November 30, 2020 - 3:07:34 AM

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  • HAL Id : in2p3-00012134, version 1

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W. Adam, C. Bauer, E. Berdermann, P. Bergonzo, F. Bogani, et al.. Review of the development of diamond radiation sensors. International Workshop on Gallium Arsenide Detectors and Related Compounds N0 6, Jun 1998, Pruhonice - Prague, Czech Republic. pp.131-145. ⟨in2p3-00012134⟩

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