Forbush decreases observed by air shower detectors at Mt.Chacaltaya
Abstract
Forbush decreases have been detected by unshielded and shielded air shower detectors at Mt.Chacaltaya in June , July and November of 2000. The deficits of cosmic ray counting rates were recorded ones of 3% - 6% in each event. While a time structure of deficit in June gives a simple feature, one in July has rather complicated structure in the stage of decrease and also in a period of recovering of counting rate. Characteristics of Forbush decreases are introduced and discussed on it together with the information of neutron monitor located at Mt.Chacaltaya.
- Publication:
-
International Cosmic Ray Conference
- Pub Date:
- August 2001
- Bibcode:
- 2001ICRC....9.3477M