activity
20212026
most citedClassifying Anomalies THrough Outer Density Estimation (CATHODE)

111 citations · 148 across the 10 of their papers we have counts for

collaborators

11 papers

physics.ins-det2026

SPADE: Split-and-Delay Embeddings for Autoregressive High-Granularity Calorimeter Simulation

Joschka Birk, Frank Gaede, Anna Hallin +3

We introduce SPADE (SPlit And Delay Embeddings), an autoregressive transformer for sequences whose tokens carry multiple features. Rather than embedding these features jointly, SPA…

hep-ph2026

Neural Scaling Laws for Jet Generation

Oz Amram, Darius A. Faroughy, Tjarko Gerdes +5

Recently observed empirical scaling laws describe the performance of foundation-type models as three independent key quantities -- dataset size, compute, and model parameters -- ar…

hep-ph2025

Enhancing next token prediction based pre-training for jet foundation models

Joschka Birk, Anna Hallin, Gregor Kasieczka +3

Next token prediction is an attractive pre-training task for jet foundation models, in that it is simulation free and enables excellent generative capabilities that can transfer ac…

astro-ph.GA2025

Via Machinae 3.0: A search for stellar streams in Gaia with the CATHODE algorithm

Anna Hallin, David Shih, Claudius Krause +1

We apply the model-agnostic anomaly detection method Cathode - originally developed for particle physics - to search for stellar streams in Gaia data. We combine Cathode with Via M…

hep-ph2025★ 1 cited

Foundation models for high-energy physics

Anna Hallin

The rise of foundation models -- large, pretrained machine learning models that can be finetuned to a variety of tasks -- has revolutionized the fields of natural language processi…

hep-ph2025

Agents of Discovery

Sascha Diefenbacher, Anna Hallin, Gregor Kasieczka +3

The substantial data volumes encountered in modern particle physics and other domains of fundamental physics research allow (and require) the use of increasingly complex data analy…

hep-ph2025

OmniJet-: Learning point cloud calorimeter simulations using generative transformers

Joschka Birk, Frank Gaede, Anna Hallin +3

We show the first use of generative transformers for generating calorimeter showers as point clouds in a high-granularity calorimeter. Using the tokenizer and generative part of th…

hep-ph2024★ 7 cited

Aspen Open Jets: Unlocking LHC Data for Foundation Models in Particle Physics

Oz Amram, Luca Anzalone, Joschka Birk +7

Foundation models are deep learning models pre-trained on large amounts of data which are capable of generalizing to multiple datasets and/or downstream tasks. This work demonstrat…

hep-ph2024

Universal New Physics Latent Space

Anna Hallin, Gregor Kasieczka, Sabine Kraml +4

We develop a machine learning method for mapping data originating from both Standard Model processes and various theories beyond the Standard Model into a unified representation (l…

hep-ph2024★ 29 cited

OmniJet-: The first cross-task foundation model for particle physics

Joschka Birk, Anna Hallin, Gregor Kasieczka

Foundation models are multi-dataset and multi-task machine learning methods that once pre-trained can be fine-tuned for a large variety of downstream applications. The successful d…

hep-ph2021★ 111 cited

Classifying Anomalies THrough Outer Density Estimation (CATHODE)

Anna Hallin, Joshua Isaacson, Gregor Kasieczka +6

We propose a new model-agnostic search strategy for physics beyond the standard model (BSM) at the LHC, based on a novel application of neural density estimation to anomaly detecti…