Conceptual Design Report for the LUXE Experiment

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 ene...

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Main Authors:	Abramowicz, Halina, Acosta, Uwe Hernandez, Altarelli, Massimo, Assmann, Ralph, Bai, Zhaoyu, Behnke, Ties, Benhammou, Yan, Blackburn, Thomas, Boogert, Stewart, Borysov, Oleksandr, Borysova, Maryna, Brinkmann, Reinhard, Bruschi, Marco, Burkart, Florian, Büßer, Karsten, Cavanagh, Niall, Davidi, Oz, Decking, Winfried, Dosselli, Umberto, Elkina, Nina, Fedotov, Alexander, Firlej, Miroslaw, Fiutowski, Tomasz, Fleck, Kyle, Gostkin, Mikhail, Grojean, Christophe, Hallford, John Andrew, Harsh, Harsh, Hartin, Anthony, Heinemann, Beate, Heinzl, Tom, Helary, Louis, Hoffmann, Marius, Huang, Shan, Huang, Xinhe, Idzik, Marek, Ilderton, Anton, Jacobs, Ruth Magdalena, Kaempfer, Burkhard, King, Ben, Lakhno, Hlib, Levanon, Assaf, Levy, Aharon, Levy, Itamar, List, Jenny, Lohmann, Wolfgang, Ma, Teng, Macleod, Alexander John, Malka, Victor, Meloni, Federico, Mironov, Arseny, Morandin, Mauro, Moron, Jakub, Negodin, Evgueni, Perez, Gilad, Pomerantz, Ishay, Poeschl, Roman, Prasad, Rajendra, Quere, Fabien, Ringwald, Andreas, Roedel, Christian, Rykovanov, Sergey, Salgado, Felipe, Santra, Arka, Sarri, Gianluca, Saevert, Alexander, Sbrizzi, Antonio, Schmitt, Stefan, Schramm, Ulrich, Schuwalow, Sergej, Seipt, Daniel, Shaimerdenova, Leila, Shchedrolosiev, Mykyta, Skakunov, Maksim, Soreq, Yotam, Streeter, Matthew, Swientek, Krzysztof, Hod, Noam Tal, Tang, Suo, Teter, Thomas, Thoden, Daniel, Titov, Alexander, Tolbanov, Oleg, Torgrimsson, Greger, Tyazhev, Anton, Wing, Matthew, Zanetti, Marco, Zarubin, Andrei, Zeil, Karl, Zepf, Matt, Zhemchukov, Aleksey
Format:	Journal Article
Language:	English
Published:	27-07-2021
Subjects:	Physics - High Energy Physics - Experiment Physics - High Energy Physics - Phenomenology Physics - Quantum Physics
Online Access:	Get full text
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Summary:	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.
Bibliography:	DESY 21-016
DOI:	10.48550/arxiv.2102.02032