Muon track reconstruction and data selection techniques in AMANDA

被引:196
作者
Ahrens, J
Bai, X
Bay, R
Barwick, SW
Becka, T
Becker, JK
Becker, KH
Bernardini, E
Bertrand, D
Biron, A
Boersma, DJ
Böser, S
Botner, O
Bouchta, A
Bouhali, O
Burgess, T
Carius, S
Castermans, T
Chirkin, D
Collin, B
Conrad, J
Cooley, J
Cowen, DF
Davour, A
De Clercq, C
DeYoung, T
Desitati, P
Dewulf, JP
Ekström, P
Feser, T
Gaug, M
Gaisser, TK
Ganugapati, R
Geenen, H
Gerhardt, L
Gross, A
Goldschmidt, A
Hallgren, A
Halzen, F
Hanson, K
Hardtke, R
Harenberg, T
Hauschildt, T
Helbing, K
Hellwig, M
Herquet, P
Hill, GC
Hubert, D
Hughey, B
Hulth, PO
机构
[1] BU Wuppertal, Fachbereich Phys 8, D-42119 Wuppertal, Germany
[2] Univ Uppsala, Div High Energy Phys, S-75121 Uppsala, Sweden
[3] Free Univ Brussels, Fac Sci, Brussels, Belgium
[4] DESY, D-15738 Zeuthen, Germany
[5] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
[6] Univ Calif Berkeley, Bartol Res Inst, Berkeley, CA 94720 USA
[7] Univ Mainz, Inst Phys, D-55099 Mainz, Germany
[8] Univ Simon Bolivar, Dept Fis, Caracas 1080, Venezuela
[9] Univ Wisconsin, Dept Phys, River Falls, WI 54022 USA
[10] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BW, England
[11] Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[12] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[13] Free Univ Brussels, Dienst ELEM, B-1050 Brussels, Belgium
[14] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA
[15] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
[16] Univ Mons, B-7000 Mons, Belgium
[17] Kalmar Univ, Dept Technol, S-39182 Kalmar, Sweden
[18] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden
关键词
AMANDA; track reconstruction; neutrino telescope; neutrino astrophysics;
D O I
10.1016/j.nima.2004.01.065
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The Antarctic Muon And Neutrino Detector Array (AMANDA) is a high-energy neutrino telescope operating at the geographic South Pole. It is a lattice of photo-multiplier tubes buried deep in the polar ice between 1500 and 2000 m. The primary goal of this detector is to discover astrophysical sources of high-energy neutrinos. A high-energy muon neutrino coming through the earth from the Northern Hemisphere can be identified by the secondary muon moving upward through the detector. The muon tracks are reconstructed with a maximum likelihood method. It models the arrival times and amplitudes of Cherenkov photons registered by the photo-multipliers. This paper describes the different methods of reconstruction, which have been successfully implemented within AMANDA. Strategies for optimizing the reconstruction performance and rejecting background are presented. For a typical analysis procedure the direction of tracks are reconstructed with about 2degrees accuracy. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:169 / 194
页数:26
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