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Titolo:
An alignment method for the ATLAS end-cap TRT detector using a narrow monochromatic X-ray beam
Autore:
Akesson, T; Danielsson, H; Dixon, N; Dolgoshein, B; Eerola, P; Farthouat, P; Fedin, O; Froidevaux, D; Gavrilenko, I; Hajduk, Z; Hauviller, C; Ivanov, V; Ivochkin, V; Jelamkov, A; Konovalov, S; Lichard, P; Lundberg, B; Muraviev, S; Nadtochy, A; Nevski, P; Peshekhonov, V; Platonov, Y; Price, M; Romaniouk, A; Schegelsky, V; Shmeleva, A; Smirnov, A; Smirnov, S; Sosnovtsev, V;
Indirizzi:
CERN, European Lab Particle Phys, CH-1211 Geneva 23, Switzerland CERN Geneva Switzerland 23 Particle Phys, CH-1211 Geneva 23, Switzerland Univ Lund, Inst Fys, Lund, Sweden Univ Lund Lund SwedenUniv Lund, Inst Fys, Lund, Sweden Moscow Engn & Phys Inst, Moscow, Russia Moscow Engn & Phys Inst Moscow Russia Engn & Phys Inst, Moscow, Russia Petersburg Nucl Phys Inst, St Petersburg, Russia Petersburg Nucl Phys Inst St Petersburg Russia t, St Petersburg, Russia PN Lebedev Phys Inst, Moscow 117924, Russia PN Lebedev Phys Inst Moscow Russia 117924 ys Inst, Moscow 117924, Russia Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland Henryk Niewodniczanski Inst Nucl Phys Krakow Poland hys, Krakow, Poland Joint Nucl Res Inst, Dubna, Russia Joint Nucl Res Inst Dubna RussiaJoint Nucl Res Inst, Dubna, Russia
Titolo Testata:
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
fascicolo: 1-2, volume: 463, anno: 2001,
pagine: 129 - 141
SICI:
0168-9002(20010501)463:1-2<129:AAMFTA>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Keywords:
ATLAS; TRT; inner detectorStraw tube; alignment; X-ray;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Fedin, O CERN, European Lab Particle Phys, CH-1211 Geneva 23, Switzerland CERN Geneva Switzerland 23 Phys, CH-1211 Geneva 23, Switzerland
Citazione:
T. Akesson et al., "An alignment method for the ATLAS end-cap TRT detector using a narrow monochromatic X-ray beam", NUCL INST A, 463(1-2), 2001, pp. 129-141

Abstract

The end-cap Transition Radiation Tracker (TRT), consisting of 36 modules (wheels), is being constructed as a part of the ATLAS Inner Detector at the CERN LHC. This paper describes a method for determining the wire positions inside the straw proportional tubes (SPT), which are the basic building blocks of the ATLAS TRT, with an accuracy of better than 10 mum. The procedureinvolves moving a narrow monochromatic X-ray beam across the straw and measuring the counting rate as a function of the position of the X-ray beam inthe straw. To achieve this goal, a Beam Directing Device (BDD), providing the possibility to direct the X-ray beam in a chosen direction within some solid angle and supplying an accurate angular measurement system, has been constructed. The results of the wire position measurements performed using this BDD on a full-scale mechanical prototype end-cap wheel of the TRT are presented in this paper. (C) 2001 Published by Elsevier Science B.V.

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Documento generato il 05/12/20 alle ore 16:30:42