A table-top laser-based source of femtosecond, collimated, ultra-relativistic positron beams · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/1304.5379/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTA table-top laser-based source of femtosecond, collimated, ultra-relativistic positron beams — mentioned by ChuckMcMhttps://news.ycombinator.com/item?id=15726356urn:hackerpapers:mention:1304.5379:15726356Fri, 17 Nov 2017 22:00:53 GMT<p>That struck me as odd as well. 57 citations none of them where they actually ran the experiment and created electron / positron pairs. This was fun though (from 2013) &quot;A table-top laser-based source of femtosecond, collimated, ultra-relativistic positron beams&quot; -- https://arxiv.org/pdf/1304.5379.pdf</p><p><a href="https://hackerpaper.kaipfister.de/p/1304.5379/">Paper and discussion history</a>. A mention is not an endorsement.</p>physics.acc-ph