Alignment of the ALICE Inner Tracking System with cosmic-ray tracks

被引：286

作者：

Aamodt, K. ^{[82
]}

Abel, N. ^{[45
]}

Abeysekara, U. ^{[32
]}

Abrahantes Quintana, A. ^{[44
]}

Adamova, D. ^{[89
]}

Aggarwal, M. ^{[27
]}

Rinella, G. Aglieri ^{[42
]}

Agocs, A. G. ^{[20
]}

Salazar, S. Aguilar ^{[70
]}

Ahammed, Z. ^{[58
]}

Ahmad, A. ^{[4
]}

Ahmad, N. ^{[4
]}

Ahn, S. U. ^{[53
]}

Akimoto, R. ^{[105
]}

Akindinov, A. ^{[72
]}

Aleksandrov, D. ^{[74
]}

Alessandro, B. ^{[107
]}

Alfaro Molina, R. ^{[70
]}

Alici, A. ^{[15
,16
]}

Almaraz Avina, E. ^{[70
]}

Alme, J. ^{[10
]}

Alt, T. ^{[45
]}

Altini, V. ^{[7
,8
]}

Altinpinar, S. ^{[34
]}

Andrei, C. ^{[19
]}

Andronic, A. ^{[34
]}

Anelli, G. ^{[42
]}

Angelov, V. ^{[45
]}

Anson, C. ^{[29
]}

Anticic, T. ^{[118
]}

Antinori, F. ^{[42
]}

Antinori, S. ^{[15
,16
]}

Antipin, K. ^{[39
]}

Antonczyk, D. ^{[39
]}

Antonioli, P. ^{[16
]}

Anzo, A. ^{[70
]}

Aphecetche, L. ^{[77
]}

Appelshaeuser, H. ^{[39
]}

Arcelli, S. ^{[15
,16
]}

Arceo, R. ^{[70
]}

Arend, A. ^{[39
]}

Armesto, N. ^{[96
,97
]}

Arnaldi, R. ^{[107
]}

Aronsson, T. ^{[78
]}

Arsene, I. C. ^{[82
]}

Asryan, A. ^{[103
]}

Augustinus, A.

Averbeck, R. ^{[34
]}

Awes, T. C. ^{[80
]}

Aysto, J. ^{[51
,52
]}

机构：

[1] Sezione Ist Nazl Fis Nucl, Padua, Italy

[2] Univ Piemonte Orientale, Dipartimento Sci & Tecnol Avanzate, Alessandria, Italy

[3] Grp Coll INFN, Alessandria, Italy

[4] Aligarh Muslim Univ, Dept Phys, Aligarh 202002, Uttar Pradesh, India

[5] Natl Inst Nucl & High Energy Phys NIKHEF, Amsterdam, Netherlands

[6] Univ Athens, Dept Phys, Athens, Greece

[7] Dipartimento Interateneo Fis M Merlin, Bari, Italy

[8] Sezione Ist Nazl Fis Nucl, Bari, Italy

[9] China Inst Atom Energy, Beijing, Peoples R China

[10] Univ Bergen, Dept Phys & Technol, Bergen, Norway

[11] Bergen Univ Coll, Fac Engn, Bergen, Norway

[12] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[13] Inst Phys, Bhubaneswar 751007, Orissa, India

[14] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[15] Univ Bologna, Dipartmento Fis, Bologna, Italy

[16] Sezione Ist Nazl Fis Nucl, Bologna, Italy

[17] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia

[18] ISS, Bucharest, Romania

[19] Natl Inst Phys & Nucl Engn, Bucharest, Romania

[20] Hungarian Acad Sci, KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary

[21] Univ Cagliari, Dipartimento Fis, Cagliari, Italy

[22] Sezione Ist Nazl Fis Nucl, Cagliari, Italy

[23] Univ Estadual Campinas, Campinas, Brazil

[24] Univ Cape Town, Dept Phys, iThemba Labs, ZA-7925 Cape Town, South Africa

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

[26] Sezione Ist Nazl Fis Nucl, Catania, Italy

[27] Panjab Univ, Dept Phys, Chandigarh 160014, India

[28] Univ Clermont Ferrand, LPC, Clermont Univ, CNRS,IN2P3, Clermont Ferrand, France

[29] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[30] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

[31] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland

[32] Creighton Univ, Dept Phys, Omaha, NE 68178 USA

[33] Univ Autonoma Sinaloa, Culiacan, Mexico

[34] GSI Helmholtzzentrum Schwerionenforsch, ExtreMe Matter Inst EMMI, Darmstadt, Germany

[35] Tech Univ Darmstadt, Inst Kernphys, Darmstadt, Germany

[36] Wayne State Univ, Detroit, MI USA

[37] Joint Inst Nucl Res, Dubna, Russia

[38] Goethe Univ Frankfurt, Frankfurt Inst Adv Studies, Frankfurt, Germany

[39] Goethe Univ Frankfurt, Inst Kernphys, D-6000 Frankfurt, Germany

[40] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[41] Petersburg Nucl Phys Inst, Gatchina, Russia

[42] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland

[43] Univ Grenoble 1, CNRS, IN2P3, Inst Polytech Grenoble,LPSC, Grenoble, France

[44] Ctr Aplicac Tecnol & Desarrollo Nucl, Havana, Cuba

[45] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany

[46] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany

[47] Hiroshima Univ, Hiroshima, Japan

[48] Univ Houston, Houston, TX USA

[49] Univ Rajasthan, Dept Phys, Jaipur 302004, Rajasthan, India

[50] Univ Jammu, Dept Phys, Jammu 180004, India

来源：

JOURNAL OF INSTRUMENTATION | 2010年 / 5卷

关键词：

Particle tracking detectors (Solid-state detectors); Detector alignment and calibration methods (lasers; sources; particle-beams); QUARK-GLUON PLASMA; COLLABORATION; PERSPECTIVE; PERFORMANCE; COLLISIONS; DETECTORS;

D O I：

10.1088/1748-0221/5/03/P03003

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

ALICE (A Large Ion Collider Experiment) is the LHC (Large Hadron Collider) experiment devoted to investigating the strongly interacting matter created in nucleus-nucleus collisions at the LHC energies. The ALICE ITS, Inner Tracking System, consists of six cylindrical layers of silicon detectors with three different technologies; in the outward direction: two layers of pixel detectors, two layers each of drift, and strip detectors. The number of parameters to be determined in the spatial alignment of the 2198 sensor modules of the ITS is about 13,000. The target alignment precision is well below 10 mu m in some cases (pixels). The sources of alignment information include survey measurements, and the reconstructed tracks from cosmic rays and from proton-proton collisions. The main track-based alignment method uses the Millepede global approach. An iterative local method was developed and used as well. We present the results obtained for the ITS alignment using about 10(5) charged tracks from cosmic rays that have been collected during summer 2008, with the ALICE solenoidal magnet switched off.

引用

页数：37

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