3-11 July 2007
Merida, Mexico
Mexico/General timezone
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SH 1.8

Place

Location: Merida, Mexico
Room: Yucatan I (Fiesta Americana)
Date: 6 Jul 10:30 - 11:55

Conveners

    • Dr. Bieber, John (University of Delaware)

Timetable | Contribution List

Displaying 7 contributions out of 7
Type: Oral Session: SH 1.8
Track: SH.1.8
To determine the characteristics of galactic and solar cosmic ray flux near Earth by using neutron monitor measurements, the observation data are usually submitted to analysis procedures involving extensive calculations and expert knowledge. For space weather applications an equally valid method is desirable that is straightforward, fast, and simple, to allow quasi-automatic data analysis ... More
Presented by Prof. Erwin O. FLUECKIGER on 6/7/2007 at 16:42
Type: Oral Session: SH 1.8
Track: SH.1.8
The latest GLE event (70th since 1942) was registered using neutron monitor net on December 13, 2006. The response of neutron monitors shows a sharp anisotropy of solar particle flux with direction close to the acceptance cone of MEPhI muon hodoscopes (Moscow). Analysis of the enhancement in muon ground level intensity measured by means of muon hodoscope URAGAN (MEPhI, Moscow) is present ... More
Presented by Dr. Dmitry TIMASHKOV on 6/7/2007 at 15:42
Type: Oral Session: SH 1.8
Track: SH.1.8
The new statistical method for search of weak signals of the various natures is offered. This method is applied, when average value of a signal does not give statistically significant excess over an average background of the device. The method uses property of statistical distributions to increase number of the large fluctuations in the mentioned above case. In result a noticeable change of d ... More
Presented by Prof. Leonty MIROSHNICHENKO on 6/7/2007 at 16:06
Type: Oral Session: SH 1.8
Track: SH.1.8
The neutron multiplicity changes on the neutron monitor in Barentsburg (Spitsbergen) during the GLE December 13, 2006 has been studied. The neutron monitor in Barentsburg was put into operation on April, 2003. In 2006 it has found the complete configuration 18-NM-64. The new data collecting system based on a digital ADLINK 7233 card allows to register both pulses, and intervals between t ... More
Presented by Prof. Eduard VASHENYUK on 6/7/2007 at 16:30
Type: Oral Session: SH 1.8
Track: SH.1.8
Comparative analysis of the characteristics of relativistic solar cosmic rays (SCR) in the two largest GLEs of 23 February 1956 and 20 January 2005 has been performed. Using a modeling technique, the parameters of relativistic solar protons (RSP) were obtained from ground-based observations by neutron monitors (NM) and muon detectors. The two particle populations (components), prompt (PC ... More
Presented by Prof. Eduard VASHENYUK on 6/7/2007 at 16:18
Type: Oral Session: SH 1.8
Track: SH.1.8
The analysis of the GLE 13.12.2006 using the data of neutron monitors, balloons, and modeling computations has been carried out. The event was connected to the flare and appeared rather unexpected, as it occurred during the ongoing phase of solar minimum. The characteristics of relativistic solar protons were derived by modeling technique from the neutron monitors data. The direct solar ... More
Presented by Mr. Eduard VASHENYUK on 6/7/2007 at 15:54
Type: Oral Session: SH 1.8
Track: SH.1.8
Ground level enhancements due to solar flare protons have been recorded at Sanae since 1971 by two neutron monitors with different sensitivities to primary protons in the rigidity range < 1 GV to ~5 GV. Spectral indexes can be determined from the enhancement ratios of the two detectors if their specific yield functions (SYF) are known. The SYF obtained from latitude surveys and primary c ... More
Presented by Dr. Pieter STOKER on 6/7/2007 at 15:30
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