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SUMMARY:IIHE Invited seminar: The Neutrino Cross Section at High Energies 
 - New Results from IceCube
DTSTART:20261113T130000Z
DTEND:20261113T140000Z
DTSTAMP:20261109T155800Z
UID:indico-event-2725@indico.iihe.ac.be
DESCRIPTION:Speakers: Colton Hill (Technische Universität München)\n\nAb
 stract: IceCube is a cubic-kilometer neutrino telescope at the geographic
  South Pole\, which detects neutrinos from a few GeV to a few PeV -- energ
 ies largely inaccessible to terrestrial accelerators. The multi-purpose de
 tector serves both as a central instrument in multi-messenger astrophysics
 \, as well as a unique laboratory to study fundamental physics.\nStartin
 g from TeV energies\, the Earth is no longer transparent to neutrinos\, th
 e flux becomes measurably attenuated while traversing the Earth. The atte
 nuation depends directly on the cross section\, largely decoupling measure
 ments of the cross section from uncertainties associated with predictions 
 of the atmospheric and astrophysical neutrino fluxes. \nThis new IceCube 
 result exploits this\, combining multiple event selections into an all-sky
 \, all-flavour sample\, achieving leading sensitivity to the total cross s
 ection between 750 GeV and 10 PeV. This seminar will present the analysis
  strategy and key results\, then discuss implications for future high ener
 gy neutrino experiments\, such as IceCube-Gen2\, where interactions explor
 e unmeasured kinematic environments.\n \nShort Bio: I graduated with my P
 hD from University of Manchester working on the (at that time) very new li
 quid Argon neutrino programme at FermiLab\, including MicroBooNE and SBND\
 , publishing the first electron neutrino cross section measurement on Argo
 n. I then moved to Chiba University in Japan to work on IceCube\, primaril
 y developing hardware for the IceCube Upgrade\, travelling twice to the So
 uth Pole to deploy the new detector between 2024 and 2026. Recently I move
 d to TU Munich\, where I now lead calibration efforts of the Upgrade\, and
  have returned to studying neutrino cross sections\, including how current
  modelling impacts measurements from GeV to PeV energies.\n\nhttps://indic
 o.iihe.ac.be/event/2725/
LOCATION:G/1-G.1.03 - J. Sacton (Building G)
URL:https://indico.iihe.ac.be/event/2725/
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