High Energy Hadronic Interaction Models: a bridge between Particle - - PowerPoint PPT Presentation
High Energy Hadronic Interaction Models: a bridge between Particle Physics and Astrophysics Auger Youngsters Meeting 2019 Julien Manshanden Under the supervision of Prof. Dr. Gnter Sigl Outline Motivation Muon Deficit Fireball
Auger Youngsters Meeting 2019 Julien Manshanden Under the supervision of
Anchordoqui et al. (2017), arXiv:1612.07328
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Pierre Auger Observatory UHECR EAS Measured observables:
EAS MC Simulation Input CR properties Expected observables:
MC MC
Inferring CR properties Inference of CR properties
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Particle Physics
Pierre Auger Observatory UHECR EAS Measured observables:
EAS MC Simulation Input CR properties HE HIM Expected observables:
MC MC
Constraining HE HIM Constraining high energy, high pT particle physics ON EQUAL FOOTING
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Figures from: Aab et al. (Pierre Auger Collab.) 2015
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Anchordoqui et al. (2017), arXiv:1612.07328
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Mimick model with procedure from Soriano et al. (2018), arXiv:1811.07728
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To attenuate EM component
For θ = 67°: Rμ = Nμ / (1.455 · 107)
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EPOS-LHC Sibyll-2.3c QGSJETII-04
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similar energy dependence as conventional models
consequence of models relying on a threshold?
fireball model: threshold more complicated
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