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| 001 | 643591 | ||
| 005 | 20260209140538.0 | ||
| 024 | 7 | _ | |a 10.1103/xpxy-ntwz |2 doi |
| 024 | 7 | _ | |a Smid:2025wmj |2 INSPIRETeX |
| 024 | 7 | _ | |a inspire:3091428 |2 inspire |
| 024 | 7 | _ | |a 2469-9926 |2 ISSN |
| 024 | 7 | _ | |a 2469-9942 |2 ISSN |
| 024 | 7 | _ | |a 2469-9934 |2 ISSN |
| 024 | 7 | _ | |a arXiv:2506.11649 |2 arXiv |
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| 041 | _ | _ | |a English |
| 082 | _ | _ | |a 530 |
| 088 | _ | _ | |a arXiv:2506.11649 |2 arXiv |
| 100 | 1 | _ | |a Smid, Michal |0 P:(DE-H253)PIP1086278 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Proof-of-principle experiment for the dark-field detection concept for measuring vacuum birefringence |
| 260 | _ | _ | |a Woodbury, NY |c 2025 |b Inst. |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1769525522_1463578 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 500 | _ | _ | |a cc-by, Phys.Rev.A 112 (2025) 6, 063512 |
| 520 | _ | _ | |a Vacuum fluctuations give rise to effective nonlinear interactions between electromagnetic fields. These generically modify the characteristics of light traversing a strong-field region. X-ray free-electron lasers (XFELs) constitute a particularly promising probe, due to their brilliance, the possibility of precise control and favorable frequency scaling. However, the nonlinear vacuum response is very small even when probing a tightly focused high-intensity laser field with XFEL radiation and direct measurement of light-by-light scattering of real photons and the associated fundamental physics constants of the quantum vacuum has not been possible to date. Achieving a sufficiently good signal-to-background separation is key to a successful quantum vacuum experiment. To master this challenge, a dark-field detection concept has recently been proposed. Here we present the results of a proof-of-principle experiment validating this approach by demonstrating that using real-world x-ray optics the background signal can be suppressed sufficiently to measure the weak nonlinear response of the vacuum. |
| 536 | _ | _ | |a DFG project G:(GEPRIS)392856280 - FOR 2783: Probing the Quantum Vacuum at the High-Intensity Frontier (392856280) |0 G:(GEPRIS)392856280 |c 392856280 |x 0 |
| 536 | _ | _ | |a DFG project G:(GEPRIS)416607684 - Vakuumdoppelbrechung (416607684) |0 G:(GEPRIS)416607684 |c 416607684 |x 1 |
| 536 | _ | _ | |a 631 - Matter – Dynamics, Mechanisms and Control (POF4-631) |0 G:(DE-HGF)POF4-631 |c POF4-631 |f POF IV |x 2 |
| 588 | _ | _ | |a Dataset connected to CrossRef, INSPIRE, Journals: bib-pubdb1.desy.de |
| 693 | _ | _ | |a XFEL |e HED: High-Density matter Experiments |f SASE2 |1 EXP:(DE-H253)XFEL-20150101 |0 EXP:(DE-H253)XFEL-HED-20150101 |5 EXP:(DE-H253)XFEL-HED-20150101 |6 EXP:(DE-H253)XFEL-SASE2-20150101 |x 0 |
| 700 | 1 | _ | |a Khademi, Pooyan |b 1 |
| 700 | 1 | _ | |a Ahmadiniaz, Naser |b 2 |
| 700 | 1 | _ | |a Andrzejewski, Michal |b 3 |
| 700 | 1 | _ | |a Baehtz, Carsten |b 4 |
| 700 | 1 | _ | |a Brambrink, Erik |b 5 |
| 700 | 1 | _ | |a Burian, Tomáš |b 6 |
| 700 | 1 | _ | |a Bulička, Jakub |b 7 |
| 700 | 1 | _ | |a Chalupský, Jindřich |b 8 |
| 700 | 1 | _ | |a Cowan, Tom E. |b 9 |
| 700 | 1 | _ | |a Cafiso, Samuele Di Dio |b 10 |
| 700 | 1 | _ | |a Chalupský, Jaromír |b 11 |
| 700 | 1 | _ | |a Cowan, Thomas E. |b 12 |
| 700 | 1 | _ | |a Göde, Sebastian |b 13 |
| 700 | 1 | _ | |a Grenzer, Jörg |b 14 |
| 700 | 1 | _ | |a Hájková, Věra |b 15 |
| 700 | 1 | _ | |a Hilz, Peter |b 16 |
| 700 | 1 | _ | |a Hippler, Willi |b 17 |
| 700 | 1 | _ | |a Höppner, Hauke |b 18 |
| 700 | 1 | _ | |a Horynová, Alžběta |b 19 |
| 700 | 1 | _ | |a Huang, Lingen |b 20 |
| 700 | 1 | _ | |a Humphries, Oliver |b 21 |
| 700 | 1 | _ | |a Jelínek, Šimon |b 22 |
| 700 | 1 | _ | |a Juha, Libor |b 23 |
| 700 | 1 | _ | |a Karbstein, Felix |b 24 |
| 700 | 1 | _ | |a Kohlfürst, Christian |b 25 |
| 700 | 1 | _ | |a Garcia, Alejandro Laso |b 26 |
| 700 | 1 | _ | |a Lötzsch, Robert |b 27 |
| 700 | 1 | _ | |a Matheron, Aimé |b 28 |
| 700 | 1 | _ | |a Masruri, Masruri |b 29 |
| 700 | 1 | _ | |a Nakatsutsumi, Motoaki |b 30 |
| 700 | 1 | _ | |a Pelka, Alexander |b 31 |
| 700 | 1 | _ | |a Paulus, Gerhard G. |b 32 |
| 700 | 1 | _ | |a Preston, Thomas R. |b 33 |
| 700 | 1 | _ | |a Randolph, Lisa |b 34 |
| 700 | 1 | _ | |a Sävert, Alexander |b 35 |
| 700 | 1 | _ | |a Schlenvoigt, Hans-Peter |b 36 |
| 700 | 1 | _ | |a Schützhold, Ralf |b 37 |
| 700 | 1 | _ | |a Schwinkendorf, Jan Patrick |b 38 |
| 700 | 1 | _ | |a Stöhlker, Thomas |b 39 |
| 700 | 1 | _ | |a Toncian, Toma |b 40 |
| 700 | 1 | _ | |a Toncian, Monika |b 41 |
| 700 | 1 | _ | |a Valialshchikov, Maxim |b 42 |
| 700 | 1 | _ | |a Rahul, Sripati V. |b 43 |
| 700 | 1 | _ | |a Valialshchikov, Maksim |b 44 |
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| 700 | 1 | _ | |a Weckert, Edgar |0 P:(DE-H253)PIP1001249 |b 46 |
| 700 | 1 | _ | |a Wessel, Colin |b 47 |
| 700 | 1 | _ | |a Wild, Jan |0 0000-0003-2216-2898 |b 48 |
| 700 | 1 | _ | |a Zastrau, Ulf |b 49 |
| 700 | 1 | _ | |a Zepf, Matt |b 50 |
| 773 | _ | _ | |a 10.1103/xpxy-ntwz |g Vol. 112, no. 6, p. 063512 |0 PERI:(DE-600)2844156-4 |n 6 |p 063512 |t Physical review / A |v 112 |y 2025 |x 2469-9926 |
| 787 | 0 | _ | |a Smid, Michal et.al. |d 2025 |i IsParent |0 PUBDB-2026-00520 |r arXiv:2506.11649 |t Proof-of-principle experiment for the dark-field detection concept for measuring vacuum birefringence |
| 856 | 4 | _ | |y OpenAccess |u https://bib-pubdb1.desy.de/record/643591/files/xpxy-ntwz.pdf |
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