Ilya Usoskin
(University of Oulu)
01/08/2015, 15:30
SH-IN
Poster contribution
A new cosmic ray detector has been installed in the inner Antarctic Plateau, at Concordia station ($75^\circ$06'S 123$^\circ$23'E, 3233 meters a.s.l.). The detector consists of two fully independent measuring units: FIN1 - a standard mini neutron monitor, and FIN2 - a bare (lead-free) neutron monitor. The detector was built by the North-West University (Potchefstroom, South Africa), are owned...
Dr
Valery Sdobnov
(Institute of Solar-Terrestrial physics of the Siberian Branch of the Russian Academy of Sciences)
01/08/2015, 15:30
SH-EX
Poster contribution
We investigated the variations in the cosmic ray (CR) rigidity spectrum and anisotropy during the 2014 January 6 Ground Level Enhancement (GLE) from the ground-based observations of CRs at the global network of stations and with spacecraft by using the method of spectrographic global survey.
Presented are the CR rigidity and variation spectra, as well as the relative variations in the 4-GV...
Dr
Zbigniew Kobylinski
(Polish Air Force Academy)
01/08/2015, 15:30
SH-IN
Poster contribution
Many time series of neutron component data are collected in World Data Centers from the fifties of XX century to nowadays. It is very important to believe that those data are typified as stabilized and generally of good quality.
In the paper the correctness of the pressure corrected data of individual neutron monitor (NM) stations is examined on the monthly to yearly time scale separately...
Prof.
Roger Clay
(University of Adelaide)
01/08/2015, 15:30
SH-IN
Poster contribution
The HEAMS muon detector is a sea-level spaced telescope consisting of four one square metre scintillators vertically above a second set of four. Coincidences taken with an FPGA data acquisition system can produce a number of directional beams with various useful energies in the range 50 GeV to 1 TeV.
HEAMS is located at 35 degrees south and accesses an understudied declination/latitude...
Dr
Natalia Barbashina
(National Research Nuclear University MEPhI (Moscow Engineering Physics Institute))
01/08/2015, 15:30
SH-EX
Poster contribution
Study of temporal variations of the flux of cosmic rays on the Earth's surface provides important information about the processes in the heliosphere that cause these variations. These processes have the strong influence on the low-energy cosmic particles, so these studies are mainly carried out in a flux of neutrons detected by ground-based neutron monitors (NM). Studies of variations of...
Peter Velinov
(STIL-BAS)
01/08/2015, 15:30
SH-TH
Poster contribution
The galactic cosmic rays are the main source of ionization in the Earth stratosphere and troposphere. They play an important role in various processes related to atmospheric physics and chemistry. Sporadically solar energetic particles enhance the ion production rate, specifically over polar caps. At recent was observed an apparent effect on minor constituents and aerosols over polar region...
Peter Velinov
(STIL-BAS)
01/08/2015, 15:30
SH-TH
Poster contribution
At recent one of the modern topics in solar-terrestrial physics is the study of the possible effect of solar variability, respectively cosmic ray (CR) variations on atmospheric physics and chemistry. An important feature in most of the proposed mechanisms and models is the key role of the induced by cosmic rays ion production in the atmosphere. Since recently is observed an apparent effect on...
Mr
arvind dubey
(rani durgawati university jabalpur india)
01/08/2015, 15:30
SH-EX
Poster contribution
The Characteristics of the daily variation of cosmic ray intensity on different types of Anomalous days has been studied by using data of Neutron Monitors. It is observed that Cosmic ray intensity remains statistically low during the period of 1996-1998 on both Beijing and Moscow Neutron monitor station.These data is subjected to Harmonic Analysis Fourier techniques for an tire period of...
Atsushi Iyono
(Okayama University of Science)
01/08/2015, 15:30
SH-EX
Poster contribution
In Large Area Air Shower experiments, one of EAS arrays is deployed on the second floor of four stories building in the campus of Okayama University of Science to limit the zenith angle acceptance of muon detection. This system provide EAS muon intensities from zenith solid angles. To compare these intensities with solar activities such as flares, CME and magnetic-storms, LAAS data have been...
Mr
Saša Banjac
(CAU Kiel)
01/08/2015, 15:30
SH-IN
Poster contribution
MuSTAnG - the Muon Spaceweather Telescope for Anisotropies at Greifswald - detects muons using 32 scintillator detectors with an area of 0.25m^2 each. These are organized into two 4x4 stacks. MuSTAnG was designed to investigate anisotropy changes of galactic cosmic ray intensities caused by the interplanetary counterpart of Coronal Mass Ejections. In August 2014 MuSTAnG has been transported...
Ilya Usoskin
(University of Oulu)
01/08/2015, 15:30
SH-EX
Poster contribution
Solar proton events (SPE) occur as a result of massive acceleration of charged particles in the solar corona and/or interplanetary space. Usually such events provide quite a soft spectrum of energetic particles, but sometimes the spectrum can appear hard with energy of solar protons being sufficient to be detected on ground. Such exceptional events are called GLE (ground-level enhancements)...
Mr
Di Yang
(University of Science and Technology of China)
01/08/2015, 15:30
SH-IN
Poster contribution
A prototype energy spectrometer is being developed for space missions aiming at observing solar wind plasma activity. This detector mainly consists of three sections: entrance section, particle detection section and readout electronics. The entrance section is implemented by a symmetrical quadrispherical Electrostatic analyzer (ESA) with top hat, which selects incident particles with their...
Marcos Alfonso Anzorena Méndez
(Instituto de Geofísica, Universidad Nacional Autónoma de México)
01/08/2015, 15:30
SH-IN
Poster contribution
The SciCRT (SciBar Cosmic Ray Telescope) is a new cosmic-ray experiment, an improved solar neutron telescope and muon detector, composed of 14 848 scintillator bars arranged to track and record energy of incident particles. The detector was installed at the top of Sierra Negra volcano in Mexico (4600 m above sea level) and 5/8 of the full SciCRT has been in operation since March 2014. To...
Mr
Mohammad Hussein
(University of Manitoba)
01/08/2015, 15:30
SH-TH
Poster contribution
A fundamental problem in Space Science and
Astrophysics is the interaction between energetic
particles and a turbulent plasma. We have developed a
test-particle code to simulate the interaction of charged particles with turbulent magnetic fields. Diffusion coefficients along and across the mean magnetic field
are calculated and compared to different analytical
theories. Different...
Mr
Petr Gololobov
(ShICRA of SB RAS)
01/08/2015, 15:30
SH-EX
Poster contribution
We present the results of studies of zonal harmonics of the cosmic ray distribution during geomagnetic storms. Zonal harmonics have been determined using a global survey method as a variant of spherical analysis of the world neutron monitor network data. We have analyzed 56 major geomagnetic storms observed in 1997 - 2005. It is shown that a sharp increase (> 0.7%) of zonal component amplitude...
Prof.
Lev Dorman
(Tel Aviv University (Israel) and IZMIRAN (Russia))
01/08/2015, 15:30
SH-TH
Poster contribution
L.I. Dorman1,2, P.Paschalis3, C. Plainaki4, H. Mavromichalaki3
1Israel Cosmic Ray & Space Weather Centre and Emilio Ségre Observatory,
Tel Aviv University, Israel
2IZMIRAN, Moscow, Russia
3 Nuclear and Particle Physics Department, Physics Faculty, National and Kapodistrian University of Athens, 15784 Athens, Greece
4INAF, Institute of Space Astrophysics and Planetology, Via del Fosso...
Prof.
Jose Valdes-Galicia
(UNAM)
01/08/2015, 15:30
SH-EX
Poster contribution
We studied cosmic ray intensity variations in the daily data of the database of the Mexico City neutron monitor station during the period 1990 to 2014 using wavelet transforms to determine the power density function and its time evolution, with which we have identified the mid- and long-term variations present in the registers. We give the corresponding confidence levels for the periodicities...
Dr
Ivan Petukhov
(Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy SB RAS)
01/08/2015, 15:30
SH-EX
Poster contribution
The analysis of groundbased measurements of cosmic ray intensity and geomagnetic field during the 96 interplanetary shocks passing by Earth was fulfilled. It was shown that most part of the shocks (49 of 96) were accompanied by simultaneous effects – decreases in the cosmic ray intensity and geomagnetic field. But there was no amplitude accordance: more part of the strong and moderate...
Mr
Petr Gololobov
(ShICRA of SB RAS)
01/08/2015, 15:30
SH-EX
Poster contribution
In this work the dynamics of tensor anisotropy of cosmic rays during the passage of large-scale disturbances of the solar wind for the 22-24 solar cycles is studied. The information on the anisotropy was obtained using a global survey method by data of the worldwide neutron monitor network. For the analysis of the obtained results the data on the interplanetary magnetic field state and solar...
Anastasia Petukhova
(Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy)
01/08/2015, 15:30
SH-TH
Poster contribution
Collisionless shocks in space conditions are a source of energetic particles. The particles having low velocity along the normal to the surface of the shock front can be multiply reflected from the electric cross potential of a quasiperpendicular shock and be accelerated by shock surfing. Shock surfing can provide pre-acceleration of particles for subsequent diffusive shock acceleration. The...
Dr
Vladimir Makhmutov
(Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, Russia)
01/08/2015, 15:30
SH-EX
Poster contribution
The experimental data on galactic cosmic ray fluxes in the atmosphere are presented for 5 eleven year solar cycles from the 19-th solar cycle till the 24-th one. The cosmic ray data were obtained in the northern and southern polar atmospheres and in the northern atmosphere of the middle latitude. The analysis of monthly averages is made, namely: the relationship cosmic ray fluxes with solar...
Dr
Pierre-Simon MANGEARD
(National Astronomical Research Institute of Thailand, Mahidol University)
01/08/2015, 15:30
SH-IN
Poster contribution
Neutron monitors are the premier instruments for precise measurements of time variations (e.g., of solar origin) in the Galactic cosmic ray (GCR) flux in the range of ∼1-100 GeV. However, it has proven challenging to accurately determine the yield function (efficiency) vs. rigidity in order to relate a neutron monitor’s count rate with those of other monitors in the worldwide network and the...
Konstantin Herbst
(Christian-Albrechts-Universität zu Kiel)
01/08/2015, 15:30
SH-EX
Poster contribution
Neutron monitors (NMs) are ground-based devices to measure the variation of cosmic ray intensities. They are reliable devices but difficult to install because of their size and weight. Therefore a portable mini NM (MNM) that can be installed as an autonomous station at any location that provides suitable conditions has been developed recently. The first continuous measuring MNMs are installed...
Mr
arvind dubey
(rani durgawati university jabalpur india)
01/08/2015, 15:30
SH-EX
Poster contribution
Neutron monitor have recorded the flux of high energy cosmic rays from more than half century .Cosmic rays counts from the ground based neutron monitor at different cut off rigidity show intensity changes, which are anti correlated with sunspot numbers. They also lose energy as they propagate towards the Earth and experience various types of modulations due to different solar activity . In...
Marcos Alfonso Anzorena Méndez
(Instituto de Geofísica, Universidad Nacional Autónoma de México)
01/08/2015, 15:30
SH-IN
Poster contribution
Solar neutron telescopes (SNTs) were designed to observe neutrons emitted during solar flares. All SNTs consist of a number of central scintillator plates, surrounded by proportional counters or thin scintillator detectors. Incoming neutrons interact with nuclei within the scintillator and produce recoil protons. The energy of a neutron may be estimated from the light emitted by the recoil...
Christian Steigies
01/08/2015, 15:30
SH-IN
Poster contribution
The Neutron Monitor database NMDB, which has been funded by the
FP7 program of European Commission, has been providing both real-time as
well as historical data since its inception in 2008. In the beginning only
the participants from a few European and Asian countries where providing
their data to the database. However, the number of stations participating in
NMDB is still increasing so...
Dr
Natalia Barbashina
(National Research Nuclear University MEPhI (Moscow Engineering Physics Institute))
01/08/2015, 15:30
SH-EX
Poster contribution
Cosmic rays flux detected on the Earth's surface penetrates the heliosphere and carries information about the processes occurring in it. Muon hodoscope URAGAN allows reconstruct the tracks of cosmic ray muons with a high angular accuracy (about 1 degree) in a wide range of zenith (0-80 degrees) and azimuthal angles (0-360 degrees) in real time. Methods developed for URAGAN muon hodoscope data...
Mr
Mohammad Hussein
(University of Manitoba)
01/08/2015, 15:30
SH-TH
Poster contribution
A model for noisy reduced magneto-hydrodynamic (NRMHD) turbulence was recently proposed. This model was already used to compute the diffusion coefficient of random walking magnetic field lines based on the nonlinear diffusion theory. We use the same model to investigate the
diffusion of energetic particles across the mean magnetic field. To do that we have used two analytical theories,...
Dr
Olga Kryakunova
(Instutute of Ionosphere, Almaty, Kazakhstan)
01/08/2015, 15:30
SH-EX
Poster contribution
Variations of the cosmic ray vector anisotropy observed on Earth are closely related on the condition of near the Earth interplanetary medium. The hourly characteristics of vector anisotropy obtained by the global survey method from the data of world wide neutron monitor network during 1957-2013 allow us to investigate connection of the cosmic ray anisotropy with the solar wind parameters. In...
Dr
Pierre-Simon MANGEARD
(National Astronomical Research Institute of Thailand, Mahidol University)
01/08/2015, 15:30
SH-EX
Poster contribution
Neutron monitors are the premier instruments for precisely tracking time variations in the Galactic cosmic ray flux at GeV-range energies above the geomagnetic cutoff at the location of measurement. In addition to the count rate, recording and analysing the time delays between successive counts allows us to infer variations in the cosmic ray spectrum as well. In particular, we can determine...
Prof.
Kazuoki Munakata
(Department of Physics, Shinshu University, Asahi, Matsumoto 390-8621, JAPAN.)
01/08/2015, 15:30
SH-EX
Poster contribution
We plan to use the SciCRT as a new muon detector and fill a gap remaining in the viewing directions of the present GMDN which currently consists of four multi-directional muon detectors in Japan, Australia, Brazil and Kuwait. In order to minimize the data acquisition time, the muon measurement is triggered by the four-fold coincidence between pulses from the top and bottom pairs of the x- and...
Alexander Mishev
(INRNE-BAS)
01/08/2015, 15:30
SH-TH
Poster contribution
Observations of intense sporadic solar-neutron events provide a unique opportunity to study energetic processes of particle acceleration during solar flares. Such neutrons are produced in nuclear reactions of high-energy (from several hundred MeV/nuc to several GeV/nuc) particles in the solar atmosphere and surface. The existing neutron monitor (NM) network provides a continuous record of...
Dr
Luisa Ferreira Da Gama Velho Arruda
(LIP Laboratorio de Instrumentacao e Fisica Experimental de Part)
01/08/2015, 15:30
SH-EX
Poster contribution
The Multi-Functional Spectrometer (MFS) is a radiation monitor that together with CTTB (Component Technology Test Bed) make the AEEF-TDP8 (ESA Alphasat Environment and Effects Facility - Technology Demonstration Payload 8). The two units are installed on the X panel of the Alphasat satellite as a hosted payload. MFS is an instrument specifically designed to characterise the Space Radiation...
David Ruffolo
(Mahidol University)
01/08/2015, 15:30
SH-TH
Poster contribution
Ionizing radiation in the Earth’s troposphere is mainly due to Galactic cosmic
rays, but ground level enhancements (GLEs) can produce relativistic ions with such enormous
intensity that their ionization effect in the Earth’s lower atmosphere is significant. One
of the largest GLEs ever observed occurred on January 20, 2005, which resulted
in very large increases in the count rates of...
Dr
Yutaka Matsubara
(STE-Laboratory, Nagoya University)
01/08/2015, 15:30
SH-EX
Poster contribution
At 16:06UT on July 8, 2014, an M6.5-class flare was observed at N12E56 of the solar surface.
In association with this flare, solar neutron detectors located on two high mountains, Mt. Sierra Negra and Chacaltaya and at the space station observed enhancements in the neutral channel.
The authors analyzed these data and a possible scenario of enhancements produced by high-energy protons and...
Dr
Olivia Enriquez-Rivera
(Instituto de Geofisica, UNAM)
01/08/2015, 15:30
SH-IN
Poster contribution
The High Altitude Water Cherenkov Observatory (HAWC) is an air shower array located near the volcano Sierra Negra in Mexico. The observatory has a scaler system sensitive to low energy cosmic rays (the geomagnetic cutoff for the site is 8 GV) suitable to perform studies of cosmic ray transients of solar origin such as Ground Level Enhancements (GLEs) and Forbush Decreases (FDs). One important...
George Bashindzhagyan
(M.V. Lomonosov Moscow State University (RU))
01/08/2015, 15:30
SH-EX
Poster contribution
The goal of the proposed experiment is to check the evidence for a possible solar influence on nuclear decay rates, and to measure any effect quantitatively.
Simultaneous decay rate measurements with many identical radioactive sources would allow us to study any possible correlations between their rate changes, and to thus improve the accuracy and reliability of the measurements.
Positioning...
Dr
Alexey Bakaldin
(National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 31 Kashirskoe shosse, 115409 Moscow, Russia)
01/08/2015, 15:30
SH-IN
Poster contribution
The present contribution is dedicated to the investigation of background conditions for cosmic ray ion ionization state measurements in MONICA experiment. The future experiment MONICA is aimed to study the cosmic ray ion fluxes from H till Ni in energy range 10-300 MeV/n. The experiment main scientific objective is the measurement of ion ionization state, as well as elemental, isotope...
Prof.
Harm Moraal
(North-West University)
01/08/2015, 15:30
SH-EX
Poster contribution
Ground-level enhancements (GLEs) of the intensity of cosmic rays are an inherent part of large cosmic-ray storms.
The GLE of 29 September 1989 was one of the largest of 71 solar energetic particle events observed by neutron monitors on Earth. It was smaller than the record-breaking GLE 5 of 23 February 1956, but by some measures it was larger than GLE 69 of 20 January 2005. It is also the...
Mr
Petr Gololobov
(ShICRA of SB RAS)
01/08/2015, 15:30
SH-EX
Poster contribution
We present the results of spectrum analysis of the event of ground level enhancement of solar cosmic rays on October 28, 2003 (GLE65) in the widest range of energies. The energy spectrum of cosmic rays is studied on the basis of direct measurements of solar particle fluxes aboard the ACE, GOES and WIND spacecraft, as well as by data recorded by the worldwide neutron monitor network. In the...
Mr
Mohammad Hussein
(University of Manitoba)
01/08/2015, 15:30
SH-TH
Poster contribution
We explore the influence of magnetic turbulence on the transport of energetic particles, mainly cosmic rays, by using test-particle simulations. We compute parallel and perpendicular diffusion coefficients for two-component turbulence, isotropic turbulence, a model based on Goldreich-Sridhar scaling, noisy reduced magneto-hydrodynamic turbulence, and a noisy slab model. We have shown that for...
Hisanori Takamaru
(Chubu University)
01/08/2015, 15:30
SH-IN
Poster contribution
To find a possible correlation between the muon / neutron counting rate and simultaneously registered solar activity, by using machine learning, we propose the semi-automatic forecasting algorithm for several physical process, e.g. Forbush decrease, GLE, and so on. These correlations have a complex form defined by the spatially and temporally ordered set of events at world-wide monitor...
Dr
Alejandro Lara
(Instituto de Geofisica, UNAM)
01/08/2015, 15:30
SH-EX
Poster contribution
We present preliminary images of the sun shadow from data collected by the High Altitude Water Cherenkov Observatory (HAWC) during 2013 and 2014. HAWC is an air shower array located in the central region of Mexico that observes TeV cosmic rays at a rate of about 10 kHz. The magnetic field of the solar corona is very difficult to measure directly. However indirect observations of the solar...