Event calendar file
3-11 July 2007
Merida, Mexico
Mexico/General timezone
- icrc2007@icrc2007.unam.mx
Support
SH 2.1
Place
Location: Merida, Mexico
Room: Yucatan I (Fiesta Americana)
Date:
5 Jul 12:05 - 13:30
Conveners
-
- Dr. Ryan, James (University of New Hampshire)
Timetable | Contribution List
Displaying 7
contributions
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7
Interplanetary coronal mass ejections, the interplanetary counterparts of coronal
mass ejections at the Sun, are the major drivers of interplanetary shocks in the
heliosphere, and are associated with modulations of the galactic cosmic ray
intensity, both short term (Forbush decreases caused by the passage of the shock,
post-shock sheath, and ICME) and possibly with longer term modulation. Usi
... More
Presented by Dr. Hilary CANE
on
5/7/2007
at
17:41
Solar wind streams from coronal holes and those associated with coronal mass
ejections (CMEs) have been identified. Using superposed epoch analysis, we
analyze the cosmic ray neutron monitor data and solar wind plasma/field data
with respect to two types of streams. We found a large difference in the cosmic-
ray response to the streams of different origin. The observed difference in the
a
... More
Presented by Dr. Badruddin --
We presented a statistical study of major Forbush decreases during the last decades,
using cosmic ray data from ground based detectors -- neutron monitors and a muon
detector. We show that, in addition to typical event (e.g., September 2005), there
are several unusual Forbush decreases (e.g., November 2004), which depict unexpected
features:
(1) the recovery time of a Forbush decrease stron
... More
Presented by Dr. Ilya USOSKIN
on
5/7/2007
at
18:17
The Goddard Medium Energy experiment on the IMP 8 spacecraft has made nearly
continuous observations of the near-Earth energetic particle environment from its
launch in October, 1973 until near present. We summarize several aspects of these
observations, including solar energetic particle events, CIR-associated events, and
cosmic ray modulations. In particular, we note that, as expected from
... More
Presented by Tycho VON ROSENVINGE
on
5/7/2007
at
17:53
Muon rate variations during Forbush decreases registered by means of muon
detectors DECOR, TEMP and URAGAN operated in the experimental complex
NEVOD (MEPhI, Moscow) have been studied. Analysis of data of these setups
and also of Moscow neutron monitor (IZMIRAN) has been performed using a
special technique that reduces as statistical as systematic uncertainties.
Preliminary muon energy a
... More
Presented by Dr. Dmitry TIMASHKOV
on
5/7/2007
at
17:29
The IGY type neutron monitor operating at Gulmarg has been modified to a lead-free
detector to detect neutron bursts produced in lightning discharge channels. The
monitor also records continuously neutrons produced by the cosmic ray interactions
with the atmospheric constituents. Apart from recording integrated low energy neutron
count, the monitor is also set to record neutron bunches with mu
... More
Presented by Dr. G. N. SHAH
A strong Forbush Decrease (FD) was observed by ground based neutron
monitor at Oulu in the mid of May 2005. The onset of FD took place on May 13
and attained its maximum on May 15, 2005. The event was in response to 221
X-ray flares out of which 13 were of M class and they were followed by coronal
mass ejection (CME). This has caused a rapid decrease in galactic cosmic ray
intensity call
... More
Presented by Mrs. Manjula JAIN
on
5/7/2007
at
17:05
