solar proton events
Statistical analysis of solar proton events
... of solar proton events with energy >10 MeV and peak flux >10 pfu observed at 1 AU through January 1970 to December 2002 is ...253 events based upon satellites and ground level observations is ...
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SOLAR PROTON EVENTS (SPES) AND THEIR IMPACT
... ABSTRACT Solar proton events (SPEs) produce several major consequences at Earth: High energy protons penetrate the Earth's magnetic field in the polar regions, crash into atmospheric particles and ...
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Monitoring and Forecasting of Great Solar Proton Events Using the Neutron Monitor Network in Real Time
... in solar proton events are a small part of the total flux and satellite detectors can’t record it with sufficient statistical accuracy, as it needs very large effective surfaces of detectors and very ...
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D-region electron density and effective recombination coefficients during twilight – experimental data and modelling during solar proton events
... depends on the stability of the lower border of the D-region, where these waves are reflected. The use of HF-radiowaves for long-distance broadcasting depends on the absorption in the lower ionosphere. The increase of ...
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Effects of the September 2005 Solar Flares and Solar Proton Events on the Middle Atmosphere in WACCM
... the flux from the second flare is much larger than from the first flare. This should result in larger impacts on electron density and odd nitrogen production in the 9 September flare simulation. 4. Results and Discussion An ...
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The role of atomic oxygen concentration in the ionization balance of the lower ionosphere during solar proton events
... the solar proton event on 17 Jan- uary ...various solar zenith angles in the winter mesosphere which lead to model electron density profiles matching the electron density pro- files obtained ...
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Analysis and parameterisation of ionic reactions affecting middle atmospheric HO xand NOy during solar proton events
... Received: 14 December 2012 – Revised: 25 April 2013 – Accepted: 26 April 2013 – Published: 23 May 2013 Abstract. In the polar regions, precipitation of solar high- energy protons and electrons affects the neutral ...
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Upper-mesospheric temperatures measured during intense substorms in the declining phase of the January 2005 solar proton events
... energetic Solar Proton Event (SPE) of solar cycle ...absorption events are prob- ably due to particle precipitation and not due to changes in ...
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EISCAT and ESRAD radars observations of polar mesosphere winter echoes during solar proton events on 11–12 November 2004
... The histograms for the power of exponent for ACF fit outside (upper panel) and inside (middle panel) PMWE and for correlation time inside PMWE (lower panel) measured by the EISCAT VHF ra[r] ...
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Enhancement of stratospheric aerosols after solar proton event
... The creation of sulfate aerosols by means of ion nuclea- tion mechanism seems to be a possible reason for the ozone ‘‘minihole’’ appearance resulting from a set of het- erogeneous chemical reactions after solar ...
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Solar Particle Events seen by the MOPITT instrument
... with solar activity, a Day/Night asymmetry caused probably by interaction of trapped particles with the neutral atmosphere, and a direct correlation with high intensity solar proton events ...
Features of relativistic solar proton spectra derived from ground level enhancement events (GLE) modeling
... enhancements events (GLE) modeling technique, the modeling study of 35 large GLEs for the period 1956 – 2006 has been carried ...relativistic solar protons (RSP) are obtained: a rigidity (energetic) spec- ...
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The coupling between the solar wind and proton fluxes at GEO
... SEP events observed by ACE in the top panel for the energy range 546–761 keV and the daily averaged 350–800 keV protons observed by GOES in the bottom panel, for the period between 18 October 2011 and 26 March ...
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The coupling between the solar wind and proton fluxes at GEO
... SEP events observed by ACE in the top panel for the energy range 546–761 keV and the daily averaged 350–800 keV protons observed by GOES in the bottom panel, for the period between 18 October 2011 and 26 March ...
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Proton kinetic effects in vlasov and solar wind turbulence
... of solar wind turbulence, employing hybrid Vlasov–Maxwell (HVM) ...relates proton temperature anisotropy T ⊥ /T and parallel plasma beta β , where subscripts refer to the ambient magnetic field ...to ...
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Association of solar wind proton flux extremes with pseudostreamers
... Zhao et al., 2009; Zhao and Fisk, 2011]. It has known short- comings, especially near interfaces of fast and slow solar wind streams [Riley et al., 1999]. As discussed in Neugebauer et al. [2002], expected errors ...
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SOLAR FIRE INTERPRETATIONS. Calendar Events
... Date & Time: Dec 1 2017 0:00 am Event: Moon in Taurus.. Description: The Moon in Taurus.[r] ...
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Search for new phenomena with photon plus jet events in proton-proton collisions at TeV with the ATLAS detector
... dijet events is expected, due to jets misidentified as photons in the ...photon+jet events in the selected sample is estimated to be around 93% by means of a two-dimensional sideband method based on the ...
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Solar Wind Proton Interactions with Lunar Magnetic Anomalies and Regolith
... the proton gyroradius (here referred to as mini-magnetospheres), and sub- magnetospheric interactions (in which a magnetosphere does not fully form) were discussed by Greenstadt [1971a,b], when considering the ...
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Search for diphoton events with large missing transverse energy in 7 TeV proton proton collisions with the ATLAS detector
... in events with jets misidentified as photons, was defined as those events where at least one of the photon candidates did not pass the loose photon ...7323 events, ...MC events; the UED ...
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