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Updated baseline design for HALHF: the hybrid, asymmetric, linear Higgs factory

Fuente: arXiv

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Hauptverfasser:	Lindstrøm, C. A., Adli, E., Chen, J. B. B., Drobniak, P., Hørlyk, E. E., Kalvik, D., Sjobak, K. N., Barklow, T., Gessner, S., Hogan, M., Berggren, M., Laudrain, A., List, B., List, J., Maslov, V., Põder, K., Thévenet, M., Walker, N., Wood, J., Boogert, S., Burrows, P. N., Cilento, V., D'Arcy, R., Foster, B., Farrington, S., Lu, X., Moortgat-Pick, G., Seryi, A.
Format:	Preprint
Veröffentlicht:	2025
Schlagworte:	Accelerator Physics High Energy Physics - Experiment
Online-Zugang:	Acceder al recurso
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_version_	1866910039733698560
author	Lindstrøm, C. A. Adli, E. Chen, J. B. B. Drobniak, P. Hørlyk, E. E. Kalvik, D. Sjobak, K. N. Barklow, T. Gessner, S. Hogan, M. Berggren, M. Laudrain, A. List, B. List, J. Maslov, V. Põder, K. Thévenet, M. Walker, N. Wood, J. Boogert, S. Burrows, P. N. Cilento, V. D'Arcy, R. Foster, B. Farrington, S. Lu, X. Moortgat-Pick, G. Seryi, A.
author_facet	Lindstrøm, C. A. Adli, E. Chen, J. B. B. Drobniak, P. Hørlyk, E. E. Kalvik, D. Sjobak, K. N. Barklow, T. Gessner, S. Hogan, M. Berggren, M. Laudrain, A. List, B. List, J. Maslov, V. Põder, K. Thévenet, M. Walker, N. Wood, J. Boogert, S. Burrows, P. N. Cilento, V. D'Arcy, R. Foster, B. Farrington, S. Lu, X. Moortgat-Pick, G. Seryi, A.
contents	Particle physicists aim to construct a electron-positron Higgs factory as the next major particle collider. However, the high associated costs motivate the development of more affordable collider designs. Plasma-wakefield acceleration is a promising technology to this end. HALHF is a proposal for a Higgs factory that utilizes beam-driven plasma-wakefield acceleration to accelerate electrons to high energy with high gradient, while using radio-frequency acceleration to accelerate positrons to a lower energy. This asymmetry sidesteps a major difficulty in plasma acceleration: that of accelerating positrons with high efficiency and quality. Since publication, several challenges were identified in the original baseline design. We summarize the updated baseline design, which addresses these challenges, and describe the parameter- and cost-optimization process used to arrive at this design.
format	Preprint
id	arxiv_https___arxiv_org_abs_2505_21654
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Updated baseline design for HALHF: the hybrid, asymmetric, linear Higgs factory Lindstrøm, C. A. Adli, E. Chen, J. B. B. Drobniak, P. Hørlyk, E. E. Kalvik, D. Sjobak, K. N. Barklow, T. Gessner, S. Hogan, M. Berggren, M. Laudrain, A. List, B. List, J. Maslov, V. Põder, K. Thévenet, M. Walker, N. Wood, J. Boogert, S. Burrows, P. N. Cilento, V. D'Arcy, R. Foster, B. Farrington, S. Lu, X. Moortgat-Pick, G. Seryi, A. Accelerator Physics High Energy Physics - Experiment Particle physicists aim to construct a electron-positron Higgs factory as the next major particle collider. However, the high associated costs motivate the development of more affordable collider designs. Plasma-wakefield acceleration is a promising technology to this end. HALHF is a proposal for a Higgs factory that utilizes beam-driven plasma-wakefield acceleration to accelerate electrons to high energy with high gradient, while using radio-frequency acceleration to accelerate positrons to a lower energy. This asymmetry sidesteps a major difficulty in plasma acceleration: that of accelerating positrons with high efficiency and quality. Since publication, several challenges were identified in the original baseline design. We summarize the updated baseline design, which addresses these challenges, and describe the parameter- and cost-optimization process used to arrive at this design.
title	Updated baseline design for HALHF: the hybrid, asymmetric, linear Higgs factory
topic	Accelerator Physics High Energy Physics - Experiment
url	https://arxiv.org/abs/2505.21654