2016 International Conference on Ultra-High Energy Cosmic Rays

Session

Oct.13AM2

Oct.13AM2

Oct 13, 2016, 10:50 AM

Kyoto Research Park

Conveners

Oct.13AM2

• Etienne Parizot (Université Paris Diderot / APC)

69. A novel study connecting UHECRs, neutrinos, and gamma-rays with the objective to identify common counterparts of the three astrophysical messenger

Stefan Coenders (Technische Universität München)

10/13/16, 10:50 AM

We present a novel study connecting UHECRs, neutrinos, and gamma-rays with the objective to identify common counterparts of the three astrophysical messengers. In the test presented here, we first identify potential hadronic sources by selecting gamma-ray emitters that are in spatial coincidence with IceCube neutrinos. Subsequently, these objects are correlated against UHECRs detected by the...

73. Multi-messenger signals from UHECR propagation

Alexander Kusenko

10/13/16, 11:10 AM

Recent studies of gamma-ray spectra of distant blazars show evidence that cosmic rays are accelerated in their jets at least to 0.1-1 EeV. Secondary gamma rays from UHECR propagation can be used to understand extragalactic background light and to measure magnetic fields in deep intergalactic voids, where two independent techniques point to values of the order of a femtogauss. Secondary...

10. Extra-galactic sources and propagation including constraints on Extragalactic magnetic fields

Dr Arjen van Vliet (Radboud University Nijmegen)

10/13/16, 11:30 AM

With the newest version of our Monte Carlo code, CRPropa 3, the propagation of ultra-high-energy cosmic rays (UHECRs) from their sources to Earth, including all relevant interactions, deflections in galactic and extragalactic magnetic fields (EGMFs) as well as secondary neutrino and electromagnetic cascade production and propagation can be simulated. The modular structure of the code allows...

54. High-Energy Particle Showers Observed at Ground Level in Coincidence With Downward Lightning Leaders at the Telescope Array Observatory

John Belz (University of Utah)

10/13/16, 11:50 AM

Terrestrial Gamma Ray Flashes (TGFs) detected by satellite observations have been shown to be generated by upward propagating negative leaders at altitudes of about 10 to 12 km MSL, and have durations ranging between a few hundred microseconds and a few milliseconds. The Telescope Array Cosmic Ray observatory, designed to observe air showers induced by ultra high energy cosmic rays, includes a...

80. Elves, Forbush decreases and solar activity studies at the Pierre Auger Observatory

Dr Roberta Colalillo (National Institute for Nuclear Physics)

10/13/16, 12:15 PM

The Pierre Auger Observatory, designed to observe cosmic rays at the highest energies, can be also a valid ground based instrument for the observation of transient luminous events and for studying modulation of galactic cosmic rays due to solar activity. In more detail, the Fluorescence Detector can observe elves. They are transient luminous emissions from altitudes between 80 and 95 km above...