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@ARTICLE{Cros:642155,
      author       = {Cros, B. and Muggli, P. and Corner, L. and Farmer, J. and
                      Ferarrio, M. and Gessner, S. and Gizzi, L. and Gschwendtner,
                      E. and Hogan, M. and Hooker, S. and Leemans, W. and
                      Lindstrøm, C. and List, J. and Maier, Andreas and
                      Osterhoff, J. and Piot, P. and Power, J. and Pogorelsky, I.
                      and Turner, M. and Vay, J. -L. and Wood, J.},
      title        = {{C}ontribution of {ALEGRO} to the {U}pdate of the
                      {E}uropean {S}trategy on {P}article {P}hysics},
      reportid     = {PUBDB-2025-05368, arXiv:2504.01434},
      year         = {2025},
      note         = {20 pages, no figures, input ESPP Update 2025},
      abstract     = {Advanced and novel accelerators (ANAs), driven a by laser
                      pulse or a relativistic particle bunch, have made remarkable
                      progress over the last decades. They accelerated electrons
                      by 10GeV in 30cm (laser driven) and by 42GeV in 85cm
                      (particle bunch driven). Rapid progress continues with
                      lasers, plasma sources, computational methods, and more. In
                      this document we highlight the main contributions made by
                      the various major collaborations, facilities, and
                      experiments that develop ANAs for applications to particle
                      and high-energy physics. These include: ALiVE, ANL-AWA,
                      AWAKE, BNL-ATF, CEPC Injector, DESY-KALDERA, ELI ERIC,
                      EuPRAXIA, HALHF, LBNL-BELLA, LBNL-kBELLA, LCvison, PETRA IV
                      Injector, 10TeV Collider design, SLAC-FACET II, as well as
                      the development of structures, lasers and plasma sources,
                      and sustainability, and demonstrate the intense activities
                      in the field. ANAs can have, and already have, applications
                      to particle and high-energy physics as subsystems, the
                      so-called intermediate applications: injectors, lower energy
                      experiments, beam dump experiments, test beds for detectors,
                      etc. Additionally, an ANA could be an upgrade for any Higgs
                      factory based on a linear accelerator, as proposed in the
                      LCvison project. ANAs have advantages over other concepts
                      for reaching multi-TeV energies: lower geographical and
                      environmental footprints, higher luminosity to power ratio,
                      and are thus more sustainable than other accelerators.
                      However, ANAs must still meet a number of challenges before
                      they can produce bunches with parameters and the luminosity
                      required for a linear collider at the energy frontier. It is
                      therefore extremely important to strongly support vigorous
                      $R\&D$ of ANAs, because they are, at this time, the most
                      sustainable acceleration scheme to reach very high energies
                      with a linear accelerator.},
      cin          = {FTX / MPA / MPL},
      cid          = {I:(DE-H253)FTX-20210408 / I:(DE-H253)MPA-20200816 /
                      I:(DE-H253)MPL-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611) / 622 -
                      Detector Technologies and Systems (POF4-622)},
      pid          = {G:(DE-HGF)POF4-611 / G:(DE-HGF)POF4-622},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2504.01434},
      howpublished = {arXiv:2504.01434},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2504.01434;\%\%$},
      url          = {https://bib-pubdb1.desy.de/record/642155},
}