Calibration system of the phobos silicon detectors

被引：3

作者：

Griesmayer, E ^{[1
]}

Frais-Kölbl, H

Pernegger, H

Wadsworth, B

Fitch, J

机构：

[1] Fachhsch Wiener Neustadt, A-2700 Wiener Neustadt, Austria

[2] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2001年 / 48卷 / 04期

关键词：

calibration; ionization signal; silicon detector;

D O I：

10.1109/23.958397

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The Phobos experiment at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory uses silicon pad detectors to measure charged particles in Au-Au collisions. Precise knowledge of the ionization signal amplitude in the silicon pad detector is vital for the determination of particle multiplicity and for particle identification. We describe here a system that precisely calibrates the gain curve for each channel in the 135 000-channel silicon readout system. The calibration covers the range up to 100 minimum ionizing particles, and the calibration circuit has a linearity better than +/-1% over a dynamic range of 1:250.

引用

页码：1565 / 1569

页数：5

共 7 条

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