Sensor development for the CMS pixel detector

Author

Bortoletto, D. ; Chiochia, V. ; Cucciarelli, S. ; Dorokhov, A. ; Konecki, M. ; Prokofiev, K. ; Regenfus, C. ; Rohe, T. ; Son, S. ; Speer, T. ; Swartz, M.

Author_Institution

Purdue Univ., West Lafayette, IN, USA

Volume

1

fYear

2003

fDate

19-25 Oct. 2003

Firstpage

350

Abstract

This paper reports on a current R&D activity for the sensor part of the CMS pixel detector. Devices featuring several design and technology options have been irradiated up to a proton fluence of 1 × 10¹⁵ n^eq/cm² at the CERN PS. Afterwards they have been bump bonded to unirradiated readout chips. The chips allow a non zero suppressed full analogue readout and therefore a good characterization of the sensors in terms of noise and charge collection properties. The samples have been tested using high energy pions in the H2 beam line of the CERN SPS in June and September 2003. The results of this test beam are presented and the differences between the sensor options are discussed.

Keywords

particle detectors; synchrotrons; CMS pixel detector; Large Hadron Collider; bump bonded; sensor development; unirradiated readout chips; Breakdown voltage; Collision mitigation; Design optimization; Detectors; Electrons; Ionizing radiation sensors; Large Hadron Collider; Sensor phenomena and characterization; Structural beams; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium Conference Record, 2003 IEEE

ISSN

1082-3654

Print_ISBN

0-7803-8257-9

Type

conf

DOI

10.1109/NSSMIC.2003.1352061

Filename

1352061