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July 29, 2015 to August 6, 2015
World Forum
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The impact of a fixed-target experiment with LHC beam for astroparticle physics

Jul 30, 2015, 12:00 PM
15m
Yangtze 2 (World Forum)

Yangtze 2

World Forum

Churchillplein 10 2517 JW Den Haag The Netherlands
Oral contribution CR-EX Parallel CR02 Hadr Int

Speaker

Dr Ralf Matthias Ulrich (KIT - Karlsruhe Institute of Technology (DE))

Description

There are two main points, where the data from a fixed-target experiment with LHC beam will contribute unique information. Firstly, to better understand the inclusive flux of atmospheric neutrinos at very high, PeV, energies. Secondly, to the apparent over-abundance of GeV muons in ultra-high energy extensive air showers. To contribute towards answering these questions, the experimental limitations and requirements for a fixed-target experiment at LHC are presented and discussed. The investigation of forward D-meson production at high-xF is essential in order to distinguish if PeV neutrinos are indeed astrophysical or may also be produced partly within the atmosphere. Furthermore, the production of GeV muons is deeply related to the pion cascade within air showers, and the corresponding pion-air interactions. More precise fixed-target data for pion-Carbon at LHC beam energies will contribute significantly to a better modelling of the muon content of air showers.
Registration number following "ICRC2015-I/" 887
Collaboration -- not specified --

Primary authors

Anatoli Fedynitch (KIT - Karlsruhe Institute of Technology (DE)) Colin Baus (KIT - Karlsruhe Institute of Technology (DE)) Dr Ralf Matthias Ulrich (KIT - Karlsruhe Institute of Technology (DE)) Dr Ralph Engel (Forschungszentrum Karlsruhe) Dr Tanguy Pierog (KIT) Uwe Kraemer (Karlsruhe Institute of Technology) felix riehn (KIT)

Presentation materials

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