First radiation hardness results of the TeraPixel Active Calorimeter (TPAC) sensor

被引：3

作者：

Price, T. ^{[1
]}

Watson, N. ^{[1
]}

Wilson, J. ^{[1
]}

Rajovic, V. ^{[2
]}

Cussans, D. ^{[3
]}

Goldstein, J. ^{[3
]}

Head, R. ^{[3
]}

Nash, S. ^{[3
]}

Page, R. ^{[3
]}

Velthuis, J. ^{[3
]}

Strube, J. ^{[4
]}

Stanitzki, M. ^{[5
]}

Dauncey, P. ^{[6
]}

Gao, R. ^{[7
]}

Nomerotski, A. ^{[7
]}

Coath, R. ^{[8
]}

Crooks, J. ^{[8
]}

Turchetta, R. ^{[8
]}

Tyndel, M. ^{[8
]}

Wormh, S. ^{[8
]}

Zhangh, Z. ^{[8
]}

机构：

[1] Univ Birmingham, Sch Phys & Astron, Particle Phys Grp, Birmingham B15 2TT, W Midlands, England

[2] Univ Belgrade, Sch Elect Engn, Belgrade, Serbia

[3] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England

[4] CERN, CH-1211 Geneva 23, Switzerland

[5] DESY, D-22607 Hamburg, Germany

[6] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2AZ, England

[7] Univ Oxford, Dept Phys, Oxford OX1 3RH, England

[8] Rutherford Appleton Lab, STFC, Didcot OX11 0QX, Oxon, England

来源：

JOURNAL OF INSTRUMENTATION | 2013年 / 8卷

关键词：

Solid state detectors; Radiation damage to detector materials (solid state); Calorimeter methods; CMOS; TECHNOLOGY; DAMAGE;

D O I：

10.1088/1748-0221/8/01/P01007

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The TeraPixel Active Calorimeter (TPAC) sensor is a novel Monolithic Active Pixel Sensors (MAPS) device developed for use as the active layers of a large area, digital electromagnetic calorimeter (DECAL) at a future e(+)e(-) collider. Further applications, which include the tracking and vertex systems for future lepton colliders and LHC upgrades have been proposed and it is therefore essential to characterise the behaviour of the sensor for these applications. We present the first studies of radiation hardness testing of the TPAC sensor. The performance of the sensor has been evaluated after exposures up to 5 Mrad of 50 keV x-rays. Under realistic ILC operating conditions a maximum decrease in the signal to noise ratio of 8% (15%) was observed after 200 krad (5 Mrad) which is already sufficient for proposed applications in future e(+)e(-) colliders.

引用

页数：16

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