Using data collected by the MACRO experiment during the years 1989-1996, we show evidence for the shadow of the Moon in the underground cosmic ray flux with a significance of 3.6 sigma. This detection of the shadowing effect is the first by an underground detector. A maximum-likelihood analysis is used to determine that the angular resolution of the apparatus is 0.9 degrees +/- 0.3 degrees. These results demonstrate MACRO's capabilities as a muon telescope by confirming its absolute pointing ability and quantifying its angular resolution.

Observation of the shadowing of cosmic rays by the Moon using a deep underground detector / M., A., R., A., C., A., G., A., A., B., G. C., B., B. C., B., G., B., R., B., C., B., P., B., H., B., V., B., C., B., C., B., S., B., F., C., M., C., D., C., M., C., et al.. - In: PHYSICAL REVIEW D. - ISSN 0556-2821. - 59:(1999), p. 012003.

Observation of the shadowing of cosmic rays by the Moon using a deep underground detector

IAROCCI, Enzo;PATERA, Vincenzo;SATTA, Luigi;SCIUBBA, Adalberto;
1999

Abstract

Using data collected by the MACRO experiment during the years 1989-1996, we show evidence for the shadow of the Moon in the underground cosmic ray flux with a significance of 3.6 sigma. This detection of the shadowing effect is the first by an underground detector. A maximum-likelihood analysis is used to determine that the angular resolution of the apparatus is 0.9 degrees +/- 0.3 degrees. These results demonstrate MACRO's capabilities as a muon telescope by confirming its absolute pointing ability and quantifying its angular resolution.
1999
01 Pubblicazione su rivista::01a Articolo in rivista
Observation of the shadowing of cosmic rays by the Moon using a deep underground detector / M., A., R., A., C., A., G., A., A., B., G. C., B., B. C., B., G., B., R., B., C., B., P., B., H., B., V., B., C., B., C., B., S., B., F., C., M., C., D., C., M., C., et al.. - In: PHYSICAL REVIEW D. - ISSN 0556-2821. - 59:(1999), p. 012003.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/495091
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