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SUMMARY:IIHE Invited seminar: Results and prospects in atmospheric electri
 city studies at the Pierre Auger Observatory
DTSTART:20260508T120000Z
DTEND:20260508T130000Z
DTSTAMP:20260501T233800Z
UID:indico-event-2462@indico.iihe.ac.be
DESCRIPTION:Speakers: Roberta Colalillo (Università di Napoli)\n\nAbstrac
 t: \n\n\n\nThe Pierre Auger Observatory\, beyond its primary focus on cos
 mic rays\, also yields valuable results in cosmogeophysics. Over the past 
 decade\, its fluorescence detector (FD) has captured ELVES\, light emissio
 ns from the upper mesosphere caused by lightning. Exploiting high time res
 olution\, we validated model predictions on double and triple ELVES. Moreo
 ver\, the FD traces hinted at observing other transient luminous events (T
 LEs)\, such as halos\, promoting the installation of a dedicated camera in
  December 2023 to detect their optical counterparts. It has registered sev
 eral SPRITES and the first ELVES. The surface detector captures Cherenkov 
 signals from TGFs\, complementing FD with near-field cosmogeophysics data.
  The time resolution of the order of tens of ns and the possibility to sam
 ple the whole TGF footprint unlike in the other experiments designed for T
 GF detection allows us to constrain production mechanisms. \n\n\n\n \nSho
 rt bio: \n\n\n\nRoberta Colalillo is a researcher at the University of Na
 poli “Federico II”. Her research activity is focused on the study of u
 ltra-high-energy cosmic rays\, gamma rays and atmospheric electricity phen
 omena. In particular\, she has been working on several analyses at the Pie
 rre Auger Observatory\, such as photon search and mass composition. Now\, 
 she is task leader of the CosmoGeoPhysics task of the Auger Collaboration\
 , whose main topics are the study of TGF (Terrestrial Gamma-ray Flashes)\,
  TLE (Transient Luminous Events)\, and the modulation of low- energy cosmi
 c rays due to solar activity. She is also member of the SWGO Collaboration
 . The Southern Wide-field Gamma-ray Observatory will be a water-Cherenkov 
 detector array to study gamma rays in the energy range from 100s of GeV up
  to the PeV scale\, covering the galactic center and the southern hemisphe
 re. Moreover\, she is contributing to the development of CrystalEye\, an i
 nnovative detector to study gamma rays from space in the energy range from
  10 KeV to 10 MeV. Finally\, she deals with outreach activities for studen
 ts and common people interested in science. \n\n\n\n \n\nhttps://indico.i
 ihe.ac.be/event/2462/
LOCATION:G/1-G.1.03 - J. Sacton (Building G)
URL:https://indico.iihe.ac.be/event/2462/
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