ECRS-Program.Pdf
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Friday, 6 July 08:00 10:00 Registration (ASU Build. D) 10:00 11:00 Opening Ceremony (Conference Hall) 11:00 11:30 Coffee-Break + Press 11:30 12:30 Plenary Session #1 (Conference Hall) Cosmic ray energy spectrum and composition between the knee and the ankle Investigations of the energy spectrum as well as the mass composition of cosmic rays in the energy range of PeV to EeV are important for understanding both, the origin of the galactic and the extragalactic cosmic rays. The multi-detector arrangement of KASCADE and its extension KASCADE-Grande was designed for observations of cosmic ray air showers in this energy range. Most important result from KASCADE is the proof that the knee feature at several PeV is due to a decrease in the flux of light atomic nuclei of primary cosmic rays. Recent results of KASCADE-Grande have now shown two more spectral features: a knee- like structure in the spectrum of heavy primaries at around 90 PeV and a hardening of the spectrum of light primaries at energies just above 100 PeV. These features are meanwhile confirmed by other experiments like Tunka, IceCube/IceTop, TALE and others. In this talk the present results on energy spectrum and composition are compared to each other and with astrophysical models for the energy range, where the transition from galactic to extragalactic origin of cosmic rays are expected. In addition, the effects of using different hadronic interaction models for interpreting the measured air-shower data will be discussed. Speaker: Andreas Haungs (KIT - Germany) Chairman: Anatoly Petrukhin The CALorimetric Electron Telescope (CALET) on the International Space Station The CALorimetric Electron Telescope (CALET) space experiment, which has been developed by Japan in collaboration with Italy and the United States, is a high-energy astroparticle physics mission installed on the International Space Station (ISS). The primary goals of the CALET mission include investigating possible nearby sources of high-energy electrons, studying the details of galactic particle propagation and searching for dark matter signatures. During a two-year mission, extendable to five years, the CALET experiment measures the flux of cosmic-ray electrons (including positrons) to 20 TeV, gamma-rays to 10 TeV and nuclei with Z=1 to 40 up to 1,000 TeV. The instrument consists of two layers of segmented plastic scintillators for the cosmic- ray charge identification (CHD), a 3 radiation length thick tungsten-scintillating fiber imaging calorimeter (IMC) and a 27 radiation length thick lead-tungstate calorimeter (TASC). CALET has sufficient depth, imaging capabilities and excellent energy resolution to allow for a clear separation between hadrons and electrons and between charged particles and gamma rays. The instrument was launched on August 19, 2015 to the ISS with HTV-5 (H-II Transfer Vehicle 5) and installed on the Japanese Experiment Module-Exposed Facility (JEM-EF) on August 25. Since the start of operation in mid-October, 2015, a continuous observation has being kept mainly by triggering high energy (>10 GeV) showers without any major interruption. The number of the triggered events over 10 GeV is nearly 20 million per month. By using the data obtained during the first two-years, we will have a summary of the CALET observations: 1) Electron+Positron energy spectrum, 2) Proton and Nuclei spectrum, 3) Gamma-ray observation, with results of the performance study on orbit. We also present the results of observations of the electromagnetic counterparts to LIGO-VIRGO gravitational wave events and high- energy counterparts to GRB events measured with the CALET Gamma-ray Burst Monitor (CGBM). Speaker: Yoichi Asaoka (Waseda University) Chairman: Jörg Hörandel 12:30 14:00 Lunch 14:00 16:00 Plenary Session #2 (Conference Hall) Cosmic Ray Anisotropy with the IceCube Observatory The IceCube Observatory is a neutrino telescope deployed at the geographic South Pole, aimed to detect and identify high energy neutrinos of astrophysical origin. IceCube is also able to detect cosmic rays with the 1 km^3 neutrino telescope buried 2500 meters under the Antarctic ice and with a dedicated 1 km^2 surface array. IceCube has analyzed data over the last several years to determine, for the first time in the southern hemisphere, the tiny anisotropy of cosmic ray arrival direction distribution. The anisotropy shows a complex angular structure and a strong energy dependence from 10 TeV to a few PeV per particle. TeV cosmic ray anisotropy is being investigated as a possible new probe into the properties of the local interstellar medium and the heliosphere. Its astrophysical reaches are also being investigated. Speaker: Markus Ahlers (Niels Bohr Institute, Copenhagen) Chairman: Giuseppe Di Sciascio Neutrino astronomy: recent results and perspectives Neutrino astronomy has begun with the detection by the Gton scale IceCube telescope in 2013 of the first high energy neutrino cosmic candidates followed until today by around 80 others. So far the signal has not shown any sign of clusterisation and it’s origin remains unknown. Meanwhile, other detectors of tens of Mton scale, like ANTARES in the Mediterranean Sea and Baikal in the Russian homonymous lake, have been taking data aiming at confirming this detection and constraining its origin, opening 1 the way for their Gton scale successors, KM3NeT and Baïkal-GVD both currently under construction and installation. In particular, the transparency of the water allows for a very good angular resolution in the reconstruction of signatures of interactions from neutrinos of all flavors. This results for Antares in unprecedented sensitivity for neutrino point-like or extended source searches in the Southern Sky at TeV energies, so that valuable constraints can be set on the origin of the cosmic neutrino flux discovered by the IceCube detector. Neutrino telescopes given their sky-scale instantaneous filed of view and degree to sub-degree scale angular resolution can bring crucial localisation information for transient multi-messenger astronomy and bring new insight into the physics of the most violent phenomena of the Universe. They have taken part in the massive multi-messenger follow-up campaign of the gravitational wave events detected by Ligo and Virgo, in particular GW170817. We will review the most recent results and present the perspectives opened by the new generation detectors currently in construction. They will represent a crucial asset in the multi-messenger observation and understanding of the non thermal Universe but also of fundamental physics like neutrino mass hierarchy with lower energy versions of the detectors like ORCA in KM3NeT. Speaker: Bruny Baret (APC) Chairman: Rostislav Kokoulin Fermi bubbles, their origin and possible connection to cosmic rays near the Earth Discovery of two giant structures seen in gamma-rays and radio, located above and below the Galactic center, known as Fermi bubbles, can be considered as one of the most interesting phenomena observed by Fermi-LAT. Their position and total energy content suggest a very strong energy outburst happened in the Galactic center in the past. During this talk we are going to review properties of the bubbles and point out what makes them so interesting, such as hard spectrum, correlation with radio emission and uniform brightness. We will cover some models of the origin of Fermi bubbles, discussing their pros and cons. We will also demonstrate how Fermi bubbles can affect spectrum of cosmic rays near the Earth at energies above 1 PeV. Speaker: Dmitry Chernyshov (Lebedev's Institute of Physics, Moscow, Russia) Chairman: Roman Raikin Astrospheres and Cosmic rays An ionization plays key role in formation of stars, planets ans their atmospheres. Cosmic rays are the main source of the ionization, therefore it is important to know and be able to estimate fluxes of galactic and stellar cosmic rays (GCR and SCR) at different stages of evolution of stars and planetary systems. Radiation conditions close to exoplanets might be important for creation and development of life. In our talk we will present a review of the current state of the problem of astrospheres and their interactions with GCR and SCR. It is supposed to pay a special attention to estimates of radiation conditions near exoplanets recently discovered in a habitable zone of their hosting stars. Speaker: Alexei Struminsky (Space Research Institute) Chairman: Yuri Stozhkov 16:00 16:15 Coffee-Break 16:15 19:00 Excursions to the Museum of Archeology and Ethnography of Altai and laboratories of the Altai State University (Remote Sensing Center, Russian-American Anti-Cancer Center, Engineering Center "Prombioteh") 16:15 19:00 Poster Session 19:00 21:00 Welcome Party Saturday, 7 July 09:30 11:30 Plenary Session #3 (Conference Hall) Muonography – a new method of investigations the near-terrastrial space¶ The method is based on precisial measurements of the space-angular characteristics of the muon flux registered in the hodoscopic mode. Opportunities of using muonography for investigations of heliospheric, magnetospheric and atmospheric disturbances are considered. The results of experimental studies of such fenomena are discussed and the possibilities of their early detection are estimated. Speaker: Natalya Barbashina (National research nuclear university MEPhI ) Chairman: Igor Yashin Latest Results from AMS The latest AMS charged cosmic ray measurements will be presented based on 100 billion cosmic ray events collected by AMS for the first 6 years of operation. Speaker: Vitali Choutko (MIT) Chairman: Igor Moskalenko 2 From YangBaJing Cosmic Ray Experiments to LHAASO I’ll briefly overview our cosmic ray researches with the old generation high altitude cosmic ray experiments at YangBaJing in the past decades and our pursuit for a new generation of gamma rays telescope in the very high energy region. Then I'll talk about the construction status and physics prospect of LHAASO. Speaker: Hongbo Hu (Institute of High Energy Physics,CAS) Chairman: Alexander Panov Coffee- UHECRs: Recent Results, New Insights, and Open Issues Break Enormous progress has been made over the last couple of years in improving the quality and statistics of UHECR observations.