利用第二代南极缪子与中微子探测器阵列（AMANDA-II）寻找地外中微子点源。
Search for extraterrestrial point sources of neutrinos with AMANDA-II.
作者信息
Ahrens J, Bai X, Barwick S W, Becka T, Becker J K, Bernardini E, Bertrand D, Binon F, Biron A, Boersma D J, Böser S, Botner O, Bouchta A, Bouhali O, Burgess T, Carius S, Castermans T, Chen A, Chirkin D, Collin B, Conrad J, Cooley J, Cowen D F, Davour A, De Clercq C, DeYoung T, Desiati P, Dewulf J P, Ekström P, Feser T, Gaisser T K, Ganugapati R, Gaug M, Geenen H, Gerhardt L, Goldschmidt A, Gross A, Hallgren A, Halzen F, Hanson K, Hardtke R, Harenberg T, Hauschildt T, Helbing K, Hellwig M, Herquet P, Hill G C, Hubert D, Hughey B, Hulth P O, Hultqvist K, Hundertmark S, Jacobsen J, Karle A, Kestel M, Köpke L, Kowalski M, Kuehn K, Lamoureux J I, Leich H, Leuthold M, Lindahl P, Liubarsky I, Madsen J, Mandli K, Marciniewski P, Matis H S, McParland C P, Messarius T, Minaeva Y, Miocinović P, Morse R, Münich K, Nahnhauer R, Neunhöffer T, Niessen P, Nygren D R, Ogelman H, Olbrechts Ph, Pérez de los Heros C, Pohl A C, Porrata R, Price P B, Przybylski G T, Rawlins K, Resconi E, Rhode W, Ribordy M, Richter S, Rodríguez Martino J, Sander H G, Schinarakis K, Schlenstedt S, Schmidt T, Schneider D, Schwarz R, Silvestri A, Solarz M, Spiczak G M, Spiering C, Stamatikos M, Steele D, Steffen P, Stokstad R G, Sulanke K H, Taboada I, Thollander L, Tilav S, Wagner W, Walck C, Wang Y R, Wiebusch C H, Wiedemann C, Wischnewski R, Wissing H, Woschnagg K, Yodh G
机构信息
Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany.
出版信息
Phys Rev Lett. 2004 Feb 20;92(7):071102. doi: 10.1103/PhysRevLett.92.071102. Epub 2004 Feb 19.
We present the results of a search for point sources of high-energy neutrinos in the northern hemisphere using AMANDA-II data collected in the year 2000. Included are flux limits on several active-galactic-nuclei blazars, microquasars, magnetars, and other candidate neutrino sources. A search for excesses above a random background of cosmic-ray-induced atmospheric neutrinos and misreconstructed downgoing cosmic-ray muons reveals no statistically significant neutrino point sources. We show that AMANDA-II has achieved the sensitivity required to probe known TeV gamma-ray sources such as the blazar Markarian 501 in its 1997 flaring state at a level where neutrino and gamma-ray fluxes are equal.
我们展示了利用2000年收集的AMANDA-II数据在北半球搜索高能中微子点源的结果。其中包括几个活跃星系核耀变体、微类星体、磁星和其他候选中微子源的通量限制。在宇宙射线诱发的大气中微子和误重建的下行宇宙射线μ子的随机背景之上搜索过量事件，未发现具有统计显著性的中微子点源。我们表明，AMANDA-II已达到在中微子和伽马射线通量相等的水平上探测已知的TeV伽马射线源（如耀变体马卡良501在其1997年爆发状态）所需的灵敏度。
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