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16–19 Feb 2023
Banff Centre
Canada/Mountain timezone

MUTE: A Modern Calculation for Deep Underground and Underwater Muons

19 Feb 2023, 11:00
15m
KC 303 (Banff Centre)

KC 303

Banff Centre

Contributed Oral Dark Matter Searches February 19 Morning Session

Speaker

William Woodley (University of Alberta)

Description

I present a new, open-source, pure Python program, MUTE (MUon inTensity codE) (A. Fedynitch, W. Woodley, M.-C. Piro 2022 ApJ 928 27). MUTE combines the state-of-the-art codes MCEq (Matrix Cascade Equation) and PROPOSAL (PRopagator with Optimal Precision and Optimised Speed for All Leptons) to compute cosmic ray cascades in the atmosphere and the propagation of muons through matter in separate steps. It is efficient, precise, and flexible, as the most recent theoretical models can be changed in the code independently of each other. Using these tools, MUTE provides forward predictions for muon intensities in mines or under mountains deep underground and underwater laboratories, accurately characterising the uncertainties arising from hadron production models. MUTE can also provide full information about muon energy and angular spectra underground. The control of theoretical uncertainties allows us to accurately predict the total muon rates and their seasonal variations to calculate muon-induced backgrounds in underground Dark Matter and neutrino detectors.

Your Email wwoodley@ualberta.ca
Supervisor Marie-Cécile Piro
Supervisor Email mariecci@ualberta.ca
Funding Agency McDonald Institute

Primary author

William Woodley (University of Alberta)

Co-author

Marie Cecile Piro (University of Alberta)

Presentation materials