How to unfold top decays

Using unfolded top-quark decay data we can measure the top quark mass, as well as search for unexpected kinematic effects. We present a new generative unfolding method for the two tasks and show how they both benefit from unbinned, high-dimensional unfolding. Unlike weight-based or iterative generative methods we include a targeted unbiasing with respect to the training data. This shows significant advantages over standard, iterative methods, in terms of applicability, flexibility and accuracy.

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Publication Details

Journal
SciPost Physics Core
Published
2025-08-18
DOI
https://doi.org/10.21468/scipostphyscore.8.3.053
Primary Topic
Particle physics theoretical and experimental studies
Type
article
Field-Weighted Citation Impact
0.00
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article

How to unfold top decays

Tilman Plehn, Luigi Favaro, A. Paasch, D. Schwarz et al.
SciPost Physics Core
Particle physics theoretical and experimental studies
article

How to unfold top decays

Tilman Plehn, Luigi Favaro, A. Paasch, D. Schwarz, R. Kogler, Sofia Palacios Schweitzer
article en

Abstract

Using unfolded top-quark decay data we can measure the top quark mass, as well as search for unexpected kinematic effects. We present a new generative unfolding method for the two tasks and show how they both benefit from unbinned, high-dimensional unfolding. Unlike weight-based or iterative generative methods we include a targeted unbiasing with respect to the training data. This shows significant advantages over standard, iterative methods, in terms of applicability, flexibility and accuracy.

SciPost Physics CoreVol. 8(3)
Austrian Academy of Sciences (AT), Universität Hamburg (DE), Heidelberg University (DE), Deutsches Elektronen-Synchrotron DESY (DE), UCLouvain (BE)
Openalex Percentile: Top 91%
Particle physics theoretical and experimental studies
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How to unfold top decays — Tilman Plehn, Luigi Favaro, et al. · SciPost Physics Core (2025) | TGRS Research Map | TGRS