engSeidel, AndreasZepter, CarolaSävert, AlexanderKuschel, StephanZepf, MattDetermination of few femtosecond to attosecond electron bunch durations using a passive plasma lensinfo:eu-repo/classification/ddc/530Physical review research 8(2), 023131 (2026). doi:10.1103/zj11-6zxcinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAPS2026info:eu-repo/semantics/openAccessDEhttps://repository.gsi.de/record/368103https://repository.gsi.de/search?p=id:%22GSI-2026-00697%22Researchersinfo:eu-repo/semantics/altIdentifier/doi/10.15120/GSI-2026-00697info:eu-repo/semantics/altIdentifier/issn/2643-1564info:eu-repo/semantics/altIdentifier/doi/10.1103/zj11-6zxc