Volume 476 - 42nd International Conference on High Energy Physics (ICHEP2024) - Detectors for Future Facilities, R&D, Novel Techniques
Physics Performance and Detector Requirements at an Asymmetric Higgs Factory
A. Laudrain*, T. Behnke, C.M. Berggren, K. Buesser, F. Gaede, C. Grojean, B. List, J. List, J. Reuter and C. Schwanenberger
*: corresponding author
Full text: pdf
Pre-published on: December 17, 2024
Published on: April 29, 2025
Abstract
The Hybrid Asymmetric Linear Higgs Factory (HALHF) proposes a shorter and cheaper design for a future Higgs factory. It reaches a √s = 250 GeV using a 500 GeV electron beam accelerated by an electron-driven plasma wake-field, and a conventionally-accelerated 31 GeV positron beam.Assuming plasma acceleration R&D challenges are solved in a timely manner, the asymmetry of the collisions brings additional challenges regarding the detector and the physics analyses, from forward boosted topologies and beam backgrounds. This contribution will detail the impact of beam parameters on beam-induced backgrounds, and provide a first look at what modification compared to e.g. the ILD can improve the physics performance at such a facility. The studies will be benchmarked against some flagship Higgs Factory analyses for comparison.
DOI: https://doi.org/10.22323/1.476.1090
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