Observation of the cosmic-ray shadow of the Moon with IceCube
Citation
Aartsen, M. and Abbasi, R. and Abdou, Y. and Ackermann, M. and Adams, J. and Aguilar, J. and Ahlers, M. et al. 2014. Observation of the cosmic-ray shadow of the Moon with IceCube. Physical Review D - Particles, Fields, Gravitation and Cosmology. 89 (10).
Source Title
Physical Review D - Particles, Fields, Gravitation and Cosmology
ISSN
School
Department of Exploration Geophysics
Remarks
Copyright © 2014 by the American Physical Society
Collection
Abstract
We report on the observation of a significant deficit of cosmic rays from the direction of the Moon with the IceCube detector. The study of this “Moon shadow” is used to characterize the angular resolution and absolute pointing capabilities of the detector. The detection is based on data taken in two periods before the completion of the detector: between April 2008 and May 2009, when IceCube operated in a partial configuration with 40 detector strings deployed in the South Pole ice, and between May 2009 and May 2010 when the detector operated with 59 strings. Using two independent analysis methods, the Moon shadow has been observed to high significance (>6σ) in both detector configurations. The observed location of the shadow center is within 0.2° of its expected position when geomagnetic deflection effects are taken into account. This measurement validates the directional reconstruction capabilities of IceCube.
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Abbasi, R.; Abdou, Y.; Abu-Zayyad, T.; Adams, J.; Aguilar, J.; Ahlers, M.; Andeen, K.; Auffenberg, J.; Bai, X.; Baker, M.; Barwick, S.; Bay, R.; Alba, J.; Beattie, K.; Beatty, J.; Bechet, S.; Becker, J.; Becker, K.; Benabderrahmane, M.; BenZvi, S.; Berdermann, J.; Berghaus, P.; Berley, D.; Bernardini, E.; Bertrand, D.; Besson, D.; Bissok, M.; Blaufuss, E.; Blumenthal, J.; Boersma, D.; Bohm, C.; Bose, D.; Boser, S.; Botner, O.; Braun, J.; Buitink, S.; Carson, Michael; Chirkin, D.; Christy, B.; Clem, J.; Clevermann, F.; Cohen, S.; Colnard, C.; Cowen, D.; D'Gostino, M.; Danninger, M.; Davis, J.; De Clercq, C.; Demirors, L.; Depaepe, O.; Descamps, F.; Desiati, P.; De Vries-Uiterweerd, G.; DeYoung, T.; Diaz-Velez, J.; Dierckxsens, M.; Dreyer, J.; Dumm, J.; Duvoort, M.; Ehrlich, R.; Eisch, J.; Ellsworth, R.; Engdegard, O.; Euler, S.; Evenson, P.; Fadiran, O.; Fazely, A.; Fedynitch, A.; Feusels, T.; Filimonov, K.; Finley, C.; Foerster, M.; Fox, B.; Franckowiak, A.; Franke, R.; Gaisser, T.; Gallagher, J.; Geisler, M.; Gerhardt, L.; Gladstone, L.; Glusenkamp, T.; Goldschmidt, A.; Goodman, J.; Grant, D.; Griesel, T.; Gro, A.; Grullon, S.; Gurtner, M.; Ha, C.; Hallgren, A.; Halzen, F.; Han, K.; Hanson, K.; Helbing, K.; Herquet, P. (2011)SN 2008D, a core collapse supernova at a distance of 27 Mpc, was serendipitously discovered by the Swift satellite through an associated X-ray flash. Core collapse supernovae have been observed in association with long ...
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