Search for extraterrestrial point sources of high energy neutrinos with AMANDA-II using data collected in 2000-2002 -: art. no. 077102

被引：65

作者：

Ackermann, M

Ahrens, J

Bai, X

Bay, R

Bartelt, M

Barwick, SW

Becka, T

Becker, KH

Becker, JK

Bernardini, E

Bertrand, D

Boersma, DJ

Böser, S

Botner, O

Bouchta, A

Bouhali, O

Braun, J

Burgess, C

Burgess, T

Castermans, T

Chirkin, D

Collin, B

Conrad, J

Cooley, J

Cowen, DF

Davour, A

De Clercq, C

DeYoung, T

Desiati, P

Ekström, P

Feser, T

Gaisser, TK

Ganugapati, R

Geenen, H

Gerhardt, L

Goldschmidt, A

Gross, A

Hallgren, A

Halzen, F

Hanson, K

Hardtke, D

Hardtke, R

Harenberg, T

Hauschildt, T

Helbing, K

Hellwig, M

Herquet, P

Hill, GC

Hodges, J

Hubert, D

机构：

[1] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

[2] Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA

[3] Berg Univ Wuppertal, Dept Phys, D-42097 Wuppertal, Germany

[4] Free Univ Brussels, Sci Fac CP230, B-1050 Brussels, Belgium

[5] DESY, D-15735 Zeuthen, Germany

[6] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BW, England

[7] Kalmar Univ, Dept Technol, S-39182 Kalmar, Sweden

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

[9] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[10] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[11] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

[12] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany

[13] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[14] Univ Mons Hainaut, B-7000 Mons, Belgium

[15] Univ Simon Bolivar, Dept Fis, Caracas 1080, Venezuela

[16] Univ Wisconsin, Dept Phys, River Falls, WI 54022 USA

[17] Uppsala Univ, Div High Energy Phys, S-75121 Uppsala, Sweden

[18] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden

[19] Vrije Univ Brussels, B-1050 Brussels, Belgium

[20] Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany

来源：

PHYSICAL REVIEW D | 2005年 / 71卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.71.077102

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The results of a search for point sources of high energy neutrinos in the northern hemisphere using data collected by AMANDA-II in the years 2000, 2001, and 2002 are presented. In particular, a comparison with the single-year result previously published shows that the sensitivity was improved by a factor of 2.2. The muon neutrino flux upper limits on selected candidate sources, corresponding to an E-nu(-2) neutrino energy spectrum, are included. Sky grids were used to search for possible excesses above the background of cosmic ray induced atmospheric neutrinos. This search reveals no statistically significant excess for the three years considered.

引用

页码：1 / 5

页数：5

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