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arxiv: 2102.02032 · v2 · pith:6NUOMJ4Ynew · submitted 2021-02-03 · ✦ hep-ex · hep-ph· quant-ph

Conceptual Design Report for the LUXE Experiment

Halina Abramowicz , Uwe Hernandez Acosta , Massimo Altarelli , Ralph Assmann , Zhaoyu Bai , Ties Behnke , Yan Benhammou , Thomas Blackburn
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Stewart Boogert Oleksandr Borysov Maryna Borysova Reinhard Brinkmann Marco Bruschi Florian Burkart Karsten B\"u{\ss}er Niall Cavanagh Oz Davidi Winfried Decking Umberto Dosselli Nina Elkina Alexander Fedotov Miroslaw Firlej Tomasz Fiutowski Kyle Fleck Mikhail Gostkin Christophe Grojean John Andrew Hallford Harsh Harsh Anthony Hartin Beate Heinemann Tom Heinzl Louis Helary Marius Hoffmann Shan Huang Xinhe Huang Marek Idzik Anton Ilderton Ruth Magdalena Jacobs Burkhard Kaempfer Ben King Hlib Lakhno Assaf Levanon Aharon Levy Itamar Levy Jenny List Wolfgang Lohmann Teng Ma Alexander John Macleod Victor Malka Federico Meloni Arseny Mironov Mauro Morandin Jakub Moron Evgueni Negodin Gilad Perez Ishay Pomerantz Roman Poeschl Rajendra Prasad Fabien Quere Andreas Ringwald Christian Roedel Sergey Rykovanov Felipe Salgado Arka Santra Gianluca Sarri Alexander Saevert Antonio Sbrizzi Stefan Schmitt Ulrich Schramm Sergej Schuwalow Daniel Seipt Leila Shaimerdenova Mykyta Shchedrolosiev Maksim Skakunov Yotam Soreq Matthew Streeter Krzysztof Swientek Noam Tal Hod Suo Tang Thomas Teter Daniel Thoden Alexander Titov Oleg Tolbanov Greger Torgrimsson Anton Tyazhev Matthew Wing Marco Zanetti Andrei Zarubin Karl Zeil Matt Zepf Aleksey Zhemchukov
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classification ✦ hep-ex hep-phquant-ph
keywords laserexperimentphysicswillexperimentalhighbeyondconceptual
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This Conceptual Design Report describes LUXE (Laser Und XFEL Experiment), an experimental campaign that aims to combine the high-quality and high-energy electron beam of the European XFEL with a powerful laser to explore the uncharted terrain of quantum electrodynamics characterised by both high energy and high intensity. We will reach this hitherto inaccessible regime of quantum physics by analysing high-energy electron-photon and photon-photon interactions in the extreme environment provided by an intense laser focus. The physics background and its relevance are presented in the science case which in turn leads to, and justifies, the ensuing plan for all aspects of the experiment: Our choice of experimental parameters allows (i) effective field strengths to be probed at and beyond the Schwinger limit and (ii) a precision to be achieved that permits a detailed comparison of the measured data with calculations. In addition, the high photon flux predicted will enable a sensitive search for new physics beyond the Standard Model. The initial phase of the experiment will employ an existing 40 TW laser, whereas the second phase will utilise an upgraded laser power of 350 TW. All expectations regarding the performance of the experimental set-up as well as the expected physics results are based on detailed numerical simulations throughout.

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