Test procedures for ALICE silicon pixel detector ladders

被引：0

作者：

Badala, A. ^{[1
]}

Blanco, F. ^{[1
,2
]}

Caselle, M. ^{[3
]}

Ceresa, S. ^{[4
]}

Di Giglio, C. ^{[3
]}

Fichera, F. ^{[1
]}

Librizzi, F. ^{[1
]}

Osmic, F. ^{[4
]}

Pappalardo, G. S. ^{[1
]}

Pulvirenti, A. ^{[1
,2
]}

Riedler, P. ^{[4
]}

Riggi, F. ^{[1
,2
]}

Schodl, H. ^{[4
]}

机构：

[1] Ist Nazl Fis Nucl, Sez Catania, I-95129 Catania, Italy

[2] Catania Univ, Dipartimento Fis & Astron, Catania, Italy

[3] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy

[4] CERN, Geneva, Switzerland

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2008年 / 596卷 / 01期

关键词：

Silicon pixel detectors; ALICE; Ultrarelativistic heavy-ion collisions; LHC;

D O I：

10.1016/j.nima.2008.07.131

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

ALICE is one of the experiments which are about to start data taking at the CERN Large Hadron Collider (LHC). It consists in an assembly of detectors aimed at allowing a complete and precise reconstruction of a typical heavy-ion collision event. Its innermost sensitive elements are two layers of silicon pixel detectors (SPD), each one consisting of a 200 mu m silicon sensor bump bonded to five electronic readout chips subdivided into 8192 (32 * 256) elementary cells. The SPD is fundamental to obtain a precise estimation of the particle momenta. It will also allow to estimate the position of primary and secondary vertices (which are important for study of heavy quarks) and to evaluate the event multiplicity before tracking. Before integration in ALICE, each sensitive and electronic readout part of the SPD must pass through a sequence of tests which ensure constant production quality, in all its operational aspects (electronic control and response, data acquisition performance and thresholds). This presentation describes the test procedure for single electronic readout chips before and after they have been bump bonded to the silicon sensors. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：66 / 69

页数：4

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