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000643339 0247_ $$2arXiv$$aarXiv:2501.11072
000643339 0247_ $$2datacite_doi$$a10.3204/PUBDB-2026-00145
000643339 037__ $$aPUBDB-2026-00145
000643339 041__ $$aEnglish
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000643339 088__ $$2arXiv$$aarXiv:2501.11072
000643339 1001_ $$0P:(DE-H253)PIP1003141$$aFoster, Brian$$b0$$eCorresponding author$$udesy
000643339 245__ $$aProceedings of the Erice workshop: A new baseline for the hybrid, asymmetric, linear Higgs factory HALHF
000643339 260__ $$c2025
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000643339 500__ $$a32 pages, 13 figures, 2 tables
000643339 520__ $$aThe HALHF collaboration has discussed a new baseline for the project, taking into account comments from the accelerator community on various aspects of the original design. In particular, these concerned the practicality of the dual-purpose linac to accelerate both colliding positron bunches and the drive beams required for the plasma linac. In addition, many other aspects of the project were also considered; the discussion and conclusions are documented in this paper. Finally, a new baseline is outlined that has been optimised and addresses several weaknesses in the original design, has higher luminosity, reduced centre-of-mass energy boost and additional features such as two interaction points and positron polarisation as well as electron polarisation. Although HALHF has become longer and more expensive, it remains significantly smaller and cheaper than other mature Higgs factory designs currently under discussion.
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000643339 650_7 $$2autogen$$aPlasma-wakefield accelerator
000643339 650_7 $$2autogen$$aLinear collider
000643339 650_7 $$2autogen$$aHiggs factory
000643339 650_7 $$2autogen$$aNew baseline
000643339 693__ $$0EXP:(DE-MLZ)NOSPEC-20140101$$5EXP:(DE-MLZ)NOSPEC-20140101$$eNo specific instrument$$x0
000643339 7001_ $$aAdli, Erik$$b1
000643339 7001_ $$aBarklow, Timothy L.$$b2
000643339 7001_ $$0P:(DE-H253)PIP1006429$$aBerggren, Mikael$$b3$$udesy
000643339 7001_ $$0P:(DE-H253)PIP1032082$$aBoogert, Stewart$$b4
000643339 7001_ $$aBin Ben Chen, Jian$$b5
000643339 7001_ $$0P:(DE-H253)PIP1027904$$aD'Arcy, Richard$$b6
000643339 7001_ $$aDrobniak, Pierre$$b7
000643339 7001_ $$aFarrington, Sinead$$b8
000643339 7001_ $$aGessner, Spencer$$b9
000643339 7001_ $$aHogan, Mark J.$$b10
000643339 7001_ $$aKalvik, Daniel$$b11
000643339 7001_ $$0P:(DE-H253)PIP1092947$$aLaudrain, Antoine$$b12$$udesy
000643339 7001_ $$aLindstrøm, Carl A.$$b13
000643339 7001_ $$aList, Benno$$b14
000643339 7001_ $$0P:(DE-H253)PIP1005630$$aList, Jenny$$b15$$udesy
000643339 7001_ $$aLu, Xueying$$b16
000643339 7001_ $$aPick, Gudrid Moortgat$$b17
000643339 7001_ $$aPõder, Kristjan$$b18
000643339 7001_ $$aSeryi, Andrei$$b19
000643339 7001_ $$aSjobak, Kyrre$$b20
000643339 7001_ $$0P:(DE-H253)PIP1093740$$aThévenet, Maxence$$b21$$udesy
000643339 7001_ $$0P:(DE-H253)PIP1001358$$aWalker, Nicholas J.$$b22$$udesy
000643339 7001_ $$0P:(DE-H253)PIP1089935$$aWood, Jonathan$$b23$$udesy
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000643339 9141_ $$y2025
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