Speaker
Description
Modern neutrino analyses are generally simulation-based, requiring some choice of underlying neutrino event generator. However, since different neutrino event generators vary significantly in their predictions, it is useful to test simulation-based analyses with different event generators to check for any dependencies on the choice of generator. This is often practically difficult to do due to the high computational cost of detector simulations. One way to circumvent the need for processing too many events through detector simulations is to reweight events of one generator to match the distribution of events from another in some chosen observables, but existing methods for doing this tend to be limited to only a few observables at a time. We present a transformer-based architecture that can reweight between neutrino event generators based on nearly the entire particle stack, providing reweighted events that are valid over a greatly expanded phase space.
| Contribution types | Standard talk (20min + 5min Q/A) |
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