Prohlížení Acta Polytechnica. 2013, vol. 53, Supplement dle názvu

Zobrazují se záznamy 16-35 z 68

    • FROM GALACTIC TO EXTRAGALACTIC JETS: A REVIEW 

      Autor: Beall, James H.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      An analysis of the data that have recently become available from observing campaigns, including VLA, VLBA, and satellite instruments, shows some remarkable similarities and significant differences in the data from some ...

    • GALACTIC AND EXTRAGALACTIC SUPERNOVA REMNANTS AS SITES OF PARTICLE ACCELERATION 

      Autor: Sasaki, Manami
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Supernova remnants, owing to their strong shock waves, are likely sources of Galactic cosmic rays. Studies of supernova remnants in X-rays and gamma rays provide us with new insights into the acceleration of particles to ...

    • GRB INVESTIGATIONS BY ESA GAIA AND LOFT 

      Autor: Hudec, René; Šimon, Vojtech; Hudec, Lukáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The possibility of studying GRBs with the ESA Gaia and LOFT missions is briefly addressed. The ESA Gaia satellite to be launched in November 2013 will focus on high precision astrometry of stars and all objects down to ...

    • HIGHLIGHTS FROM THE LHC 

      Autor: Straessner, Arno
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The Large Hadron Collider (LHC) and the two multi-purpose detectors, ATLAS and CMS, have been operated successfully at record centre-of-mass energies of 7 ÷ 8TeV. This paper presents the main physics results from proton–proton ...

    • ICECUBE OBSERVATORY: NEUTRINOS AND THE ORIGIN OF COSMIC RAYS 

      Autor: Desiati, Paolo
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The completed IceCube Observatory, the first km3 neutrino telescope, is already providing the most stringent limits on the flux of high energy cosmic neutrinos from point-like and diffuse galactic and extra-galactic sources. ...

    • INFLUENCE OF THE RESULTS OF UHECR DETECTION ON THE LHC EXPERIMENTS 

      Autor: Petrukhin, Anatoly A.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The cosmic ray energy region 1015 ÷ 1017TeV corresponds to LHC energies 1 ÷ 14TeV in the center-of-mass system. The results obtained in cosmic rays (CR) in this energy interval can therefore be used for developing new ...

    • INVESTIGATING THE Ep, i –Eiso CORRELATION 

      Autor: Amati, Lorenzo; Dichiara, Simone
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The correlation between the spectral peak photon energy, Ep, and the radiated energy or luminosity (i.e., the “Amati relation” and other correlations derived from it) is one of the central and most debated topics in GRB ...

    • LARGE AREA HODOSCOPES FOR MUON DIAGNOSTICS OF HELIOSPHERE AND EARTH’S MAGNETOSPHERE 

      Autor: Yashin, I. I.; Ampilogov, N. V.; Astapov, I.I.; Barbashina, N.S.; Borog, V.V.; Dmitrieva, A.N.; Kokoulin, R.P.; Kompaniets, K.G.; Mannocchi, G.; Mikhailenko, A.S.; Petrukhin, A.A.; Saavedra, O.; Shutenko, V.V.; Trinchero, G.; Yakovleva, E.I.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Muon diagnostics is a technique for remote monitoring of active processes in the heliosphere and the magnetosphere of the Earth based on the analysis of angular variations of muon flux simultaneously detected from all ...

    • LIMIT ON UHE NEUTRINO FLUXES FROM THE PIERRE AUGER OBSERVATORY 

      Autor: Maldera, S.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The surface detector of the Pierre Auger Observatory is sensitive to Ultra High Energy (UHE) neutrinos. Neutrinos of all flavors can interact in the atmosphere producing inclined showers near the ground. Moreover, ultra ...

    • MEASURING SUPERMASSIVE BLACK HOLE SPINS IN AGN 

      Autor: Brenneman, Laura
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Measuring the spins of supermassive black holes (SMBHs) in active galactic nuclei (AGN) can inform us about the relative role of gas accretion vs. mergers in recent epochs of the life of the host galaxy and its AGN. Recent ...

    • METALS IN THE ICM: WITNESSES OF CLUSTER FORMATION AND EVOLUTION 

      Autor: Lovisari, Lorenzo; Laganá, Tatiana F.; Borm, Katharina; Schellenberger, Gerrit; Reiprich, Thomas H.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The baryonic composition of galaxy clusters and groups is dominated by a hot, X-ray emitting Intra-Cluster Medium (ICM). The mean metallicity of the ICM has been found to be roughly 0.3 ÷ 0.5 times the solar value, therefore ...

    • MODELING JET INTERACTIONS WITH THE AMBIENT MEDIUM 

      Autor: Beall, J. H.; Guillory, J.; Rose, D. V.; Wolff, Michael T.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Recent high-resolution (see, e.g., [13]) observations of astrophysical jets reveal complex structures apparently caused by ejecta from the central engine as the ejecta interact with the surrounding interstellar material. ...

    • MOONLIGHT: A NEW LUNAR LASER RANGING RETROREFLECTOR AND THE LUNAR GEODETIC PRECESSION 

      Autor: Martini, M.; Dell’Agnello, S.; Currie, D.; Delle Monache, G. O.; Vittori, R.; Berardi, S.; Boni, A.; Cantone, C.; Ciocci, E.; Lops, C.; Garattini, M.; Maiello, M.; Patrizi, G.; Tibuzzi, M.; Intaglietta, N.; Chandler, J.; Bianco, G.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Since the 1970s Lunar Laser Ranging (LLR) to the Apollo Cube Corner Retroreflector (CCR) arrays (developed by the University of Maryland, UMD) supplied almost all significant tests of General Relativity (Alley et al., 1970; ...

    • MOONLIGHT: A NEW LUNAR LASER RANGING RETROREFLECTOR INSTRUMENT 

      Autor: Garattini, M.; Dell’Agnello, S.; Currie, D.; Delle Monache, G. O.; Tibuzzi, M.; Patrizi, G.; Berardi, S.; Boni, A.; Cantone, C.; Itaglietta, N.; Lops, C.; Maiello, M.; Martini, M.; Vittori, R.; Bianco, G.; March, R.; Bellettini, G.; Tauraso, R.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Since 1969 Lunar Laser Ranging (LLR) to the Apollo Cube Corner Reflector (CCR) arrays has supplied several significant tests of gravity: Geodetic Precession, the Strong and Weak Equivalence Principle (SEP, WEP), the ...

    • NEUTRINOLESS DOUBLE BETA DECAY: AN EXTREME CHALLENGE 

      Autor: Ferroni, Fernando
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Neutrino-less Double Beta Decay is the only known way to possibly resolve the nature of neutrino mass. The chances to cover the mass region predicted by the inverted hierarchy require a step forward in detector capability. ...

    • NEUTRINOS AS COSMIC MESSENGERS IN THE ERA OF ICECUBE, ANTARES AND KM3NET 

      Autor: Katz, Uli F.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Using neutrinos as cosmic messengers for observation of non-thermal processes in the Universe is a highly attractive and promising vision, which has been pursued in various neutrino telescope projects for more than two ...

    • NEUTRINOS FROM ICARUS 

      Autor: Farnese, Christian
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Liquid Argon Time Projection Chambers are very promising detectors for neutrino and astroparticle physics due to their high granularity, good energy resolution and 3D imaging, allowing for a precise event reconstruction. ...

    • NON-THERMAL EMISSION FROM CATACLYSMIC VARIABLES: IMPLICATIONS ON ASTROPARTICLE PHYSICS 

      Autor: Šimon, Vojtech
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      We review the lines of evidence that some cataclysmic variables (CVs) are the sources of non-thermal radiation. It was really observed in some dwarf novae in outburst, a novalike CV in the high state, an intermediate polar, ...

    • OPERA HIGHLIGHTS 

      Autor: Strauss, Thomas
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The OPERA experiment is a long baseline neutrino oscillation  experiment aimed at observing the νμ → ντ neutrino oscillation in the CERN neutrino to Gran Sasso beamline in the appearance mode by detecting the τ-decay. Here ...

    • OUR GALACTIC CENTER – THE NEAREST BURNING DISK 

      Autor: Kundt, Wolfgang
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      This short presentation will update my more than 25 years long attempts at understandingthe actions of the Central Engine at our Galactic Center.