Proceedings of the Erice workshop: A new baseline for the hybrid, asymmetric, linear Higgs factory HALHF
The HALHF collaboration has discussed a new baseline for the project, taking into account comments from the accelerator community on various aspects of the original design. In particular, these concerned the practicality of the dual-purpose linac to accelerate both colliding positron bunches and the...
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2025-05-01
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| author | Brian Foster Erik Adli Timothy L. Barklow Mikael Berggren Stewart Boogert Jian Bin Ben Chen Richard D’Arcy Pierre Drobniak Sinead Farrington Spencer Gessner Mark J. Hogan Daniel Kalvik Antoine Laudrain Carl A. Lindstrøm Benno List Jenny List Xueying Lu Gudrid Moortgat Pick Kristjan Põder Andrei Seryi Kyrre Sjobak Maxence Thévenet Nicholas J. Walker Jonathan Wood |
| author_facet | Brian Foster Erik Adli Timothy L. Barklow Mikael Berggren Stewart Boogert Jian Bin Ben Chen Richard D’Arcy Pierre Drobniak Sinead Farrington Spencer Gessner Mark J. Hogan Daniel Kalvik Antoine Laudrain Carl A. Lindstrøm Benno List Jenny List Xueying Lu Gudrid Moortgat Pick Kristjan Põder Andrei Seryi Kyrre Sjobak Maxence Thévenet Nicholas J. Walker Jonathan Wood |
| author_sort | Brian Foster |
| collection | DOAJ |
| description | The HALHF collaboration has discussed a new baseline for the project, taking into account comments from the accelerator community on various aspects of the original design. In particular, these concerned the practicality of the dual-purpose linac to accelerate both colliding positron bunches and the drive beams required for the plasma linac. In addition, many other aspects of the project were also considered; the discussion and conclusions are documented in this paper. Finally, a new baseline is outlined that has been optimised and addresses several weaknesses in the original design, has higher luminosity, reduced centre-of-mass energy boost and additional features such as two interaction points and positron polarisation as well as electron polarisation. Although HALHF has become longer and more expensive, it remains significantly smaller and cheaper than other mature Higgs factory designs currently under discussion. |
| format | Article |
| id | doaj-art-2a5b2e476db34dbb95175bcffcde8769 |
| institution | OA Journals |
| issn | 2666-0326 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Elsevier |
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| series | Physics Open |
| spelling | doaj-art-2a5b2e476db34dbb95175bcffcde87692025-08-20T02:30:31ZengElsevierPhysics Open2666-03262025-05-012310026110.1016/j.physo.2025.100261Proceedings of the Erice workshop: A new baseline for the hybrid, asymmetric, linear Higgs factory HALHFBrian Foster0Erik Adli1Timothy L. Barklow2Mikael Berggren3Stewart Boogert4Jian Bin Ben Chen5Richard D’Arcy6Pierre Drobniak7Sinead Farrington8Spencer Gessner9Mark J. Hogan10Daniel Kalvik11Antoine Laudrain12Carl A. Lindstrøm13Benno List14Jenny List15Xueying Lu16Gudrid Moortgat Pick17Kristjan Põder18Andrei Seryi19Kyrre Sjobak20Maxence Thévenet21Nicholas J. Walker22Jonathan Wood23John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, OX1 3RH, Oxford, United Kingdom; DESY, Notkestrasse 85, 22607, Hamburg, Germany; Corresponding author at: John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, OX1 3RH, Oxford, United Kingdom.Department of Physics, University of Oslo, PO Box 1048, Blindern, N-0316, Oslo, NorwaySLAC National Accelerator Laboratory, 2575 Sand Hill Road, CA 94025, Menlo Park, USADESY, Notkestrasse 85, 22607, Hamburg, GermanyCockcroft Institute, Daresbury Laboratory, STFC, Keckwick Lane, Daresbury, WA4 4AD, Warrington, UKDepartment of Physics, University of Oslo, PO Box 1048, Blindern, N-0316, Oslo, NorwayJohn Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, OX1 3RH, Oxford, United KingdomDepartment of Physics, University of Oslo, PO Box 1048, Blindern, N-0316, Oslo, NorwayRutherford Appleton Laboratory, STFC, Harwell Campus, OX11 0QX, Didcot, UKSLAC National Accelerator Laboratory, 2575 Sand Hill Road, CA 94025, Menlo Park, USASLAC National Accelerator Laboratory, 2575 Sand Hill Road, CA 94025, Menlo Park, USADepartment of Physics, University of Oslo, PO Box 1048, Blindern, N-0316, Oslo, NorwayDESY, Notkestrasse 85, 22607, Hamburg, GermanyDepartment of Physics, University of Oslo, PO Box 1048, Blindern, N-0316, Oslo, NorwayDESY, Notkestrasse 85, 22607, Hamburg, GermanyDESY, Notkestrasse 85, 22607, Hamburg, GermanyArgonne National Laboratory, 9700 S Cass Avenue, IL 60439, Lemont, USAII. Institute of Theoretical Physics, University of Hamburg, Luruper Chaussee 149, 22761, Hamburg, GermanyDESY, Notkestrasse 85, 22607, Hamburg, GermanyThomas Jefferson National Accelerator Facility, 12000 Jefferson Avenue, VA 23606, Newport News, USADepartment of Physics, University of Oslo, PO Box 1048, Blindern, N-0316, Oslo, NorwayDESY, Notkestrasse 85, 22607, Hamburg, GermanyDESY, Notkestrasse 85, 22607, Hamburg, GermanyDESY, Notkestrasse 85, 22607, Hamburg, GermanyThe HALHF collaboration has discussed a new baseline for the project, taking into account comments from the accelerator community on various aspects of the original design. In particular, these concerned the practicality of the dual-purpose linac to accelerate both colliding positron bunches and the drive beams required for the plasma linac. In addition, many other aspects of the project were also considered; the discussion and conclusions are documented in this paper. Finally, a new baseline is outlined that has been optimised and addresses several weaknesses in the original design, has higher luminosity, reduced centre-of-mass energy boost and additional features such as two interaction points and positron polarisation as well as electron polarisation. Although HALHF has become longer and more expensive, it remains significantly smaller and cheaper than other mature Higgs factory designs currently under discussion.http://www.sciencedirect.com/science/article/pii/S2666032625000110Plasma-wakefield acceleratorLinear colliderHiggs factoryNew baseline |
| spellingShingle | Brian Foster Erik Adli Timothy L. Barklow Mikael Berggren Stewart Boogert Jian Bin Ben Chen Richard D’Arcy Pierre Drobniak Sinead Farrington Spencer Gessner Mark J. Hogan Daniel Kalvik Antoine Laudrain Carl A. Lindstrøm Benno List Jenny List Xueying Lu Gudrid Moortgat Pick Kristjan Põder Andrei Seryi Kyrre Sjobak Maxence Thévenet Nicholas J. Walker Jonathan Wood Proceedings of the Erice workshop: A new baseline for the hybrid, asymmetric, linear Higgs factory HALHF Physics Open Plasma-wakefield accelerator Linear collider Higgs factory New baseline |
| title | Proceedings of the Erice workshop: A new baseline for the hybrid, asymmetric, linear Higgs factory HALHF |
| title_full | Proceedings of the Erice workshop: A new baseline for the hybrid, asymmetric, linear Higgs factory HALHF |
| title_fullStr | Proceedings of the Erice workshop: A new baseline for the hybrid, asymmetric, linear Higgs factory HALHF |
| title_full_unstemmed | Proceedings of the Erice workshop: A new baseline for the hybrid, asymmetric, linear Higgs factory HALHF |
| title_short | Proceedings of the Erice workshop: A new baseline for the hybrid, asymmetric, linear Higgs factory HALHF |
| title_sort | proceedings of the erice workshop a new baseline for the hybrid asymmetric linear higgs factory halhf |
| topic | Plasma-wakefield accelerator Linear collider Higgs factory New baseline |
| url | http://www.sciencedirect.com/science/article/pii/S2666032625000110 |
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