May 24
CS Tea Talk by Frank McNally
Air-Shower Reconstruction: the search for high-energy cosmic-ray sources
As recent discoveries with neutrinos and gravitational waves usher in a new era of multi-messenger astronomy, it is important to look at the particles that started the whole field: cosmic rays. These charged particles from space include the highest-energy particles ever detected, with energies many times greater than anything produced on Earth. Now, over a hundred years after their discovery, we are still asking some fundamental questions, namely, 'What are they made of?' and 'Where do they come from?'. Advances in machine-learning techniques and simulation may be the key to answering these questions for the first time. This work is part of a larger effort in multi-messenger astronomy to 'see' the Universe in a completely new light; it is a science of discovery where we don't know what we will find!
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