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SUMMARY:Hysteresis loops of CR intensity decreases versus solar parameters
 .
DTSTART;VALUE=DATE-TIME:20070709T194500Z
DTEND;VALUE=DATE-TIME:20070709T194500Z
DTSTAMP;VALUE=DATE-TIME:20260615T115816Z
UID:indico-contribution-7@cern.ch
DESCRIPTION:Speakers: Dr. KANE\, RAJARAM (Professor\, Instituto Nacional d
 e Pesquisas Espacias\, São Jose dos Campos\, SP\, Brazil)\nThe long-term 
 variation (modulation) of CR intensity is not exactly anti-parallel \nto s
 unspot activity. In odd cycles\, there is a large hysteresis loop (differe
 nce in \nthe evolution during the rising and falling phase of solar activi
 ty). In even \ncycles\, the loop is narrow. So far\, only data for two odd
  cycles (cycle 19 and 21) \nand two even cycles (20 and 22) were available
  and the above pattern was \nnoticed. For the cycle 23\, there was a curio
 sity whether the odd cycle pattern \nwould be seen. This aspect is examine
 d in this paper. In general\, the hysteresis \npattern of cycle 23 was bro
 ad as in cycles 19 and 21. However\, when the loops \nwere compared using 
 different solar parameters (sunspots Rz\, 2800 MHz flux \nF10\, coronal in
 dex CI\, open magnetic fluxes)\, the patterns were not exactly \nsimilar. 
 All these are just different solar  indices and it is not clear what effec
 ts \nthese should have individually on the interplanetary space where CR \
 nmodulation occurs. Thus\, these differences could have some implication f
 or \ndeciding the role of these indices in affecting the interplanetary sp
 ace\, whose \nelectromagnetic structure  is affected mostly by the dissipa
 tion of CMEs and \ncororating streams.\n\nhttps://indico.nucleares.unam.mx
 /event/4/session/40/contribution/7
LOCATION:Merida\, Mexico Regency (Hyatt)
URL:https://indico.nucleares.unam.mx/event/4/session/40/contribution/7
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