Proton size
2020年12月5日 — There are a couple of different ways to measure a proton's charge radius. One is to bounce other charged particles off the proton and infer its size ... ,2019年12月1日 — Now an ultraprecise measurement at York University in Toronto may finally have tamed the proton. Protons are, of course, tiny—less than two ...
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 Proton size 相關參考資料
Physicists Finally Nail the Proton's Size, and Hope Dies | WIRED
2019年9月15日 — Pohl's team found the muon-orbited protons to be 0.84 femtometers in radius—4 percent smaller than those in regular hydrogen, according to the ... https://www.wired.com Physicists Are Closer to Knowing the Size of a Proton … Sort ...
2020年12月5日 — There are a couple of different ways to measure a proton's charge radius. One is to bounce other charged particles off the proton and infer its size ... https://www.wired.com Ultraprecise Measurement Pinpoints the Proton's Size ...
2019年12月1日 — Now an ultraprecise measurement at York University in Toronto may finally have tamed the proton. Protons are, of course, tiny—less than two ... https://www.scientificamerican The size of the proton | Nature
2010年7月8日 — This new value of the proton radius rp = 0.84184(67) fm is 10 times more precise, but 5.0σ smaller, than the previous world average, which is ... https://www.nature.com Physicists Finally Nail the Proton's Size, and Hope Dies ...
2019年9月11日 — Finally, the results are in: Hessels and company have pegged the proton's radius at 0.833 femtometers, give or take 0.01, a measurement exactly ... https://www.quantamagazine.org How Big Is the Proton? Particle-Size Puzzle Leaps Closer to ...
2019年11月7日 — That means muon measurements of the proton's radius should be millions of times more precise than those made using ordinary hydrogen. The ... https://www.scientificamerican Proton - Wikipedia
https://en.wikipedia.org Proton radius puzzle - Wikipedia
The proton radius puzzle is an unanswered problem in physics relating to the size of the proton. Historically the proton charge radius was measured by two ... https://en.wikipedia.org How big is the proton? Particle-size puzzle leaps ... - Nature
2019年11月7日 — The team measured a proton radius of 0.84184 femtometres3. Randolf Pohl, who led that muonic hydrogen measurement and is now at the Johannes Gutenberg University in Mainz, Germany, has c... https://www.nature.com The proton size | Nature Reviews Physics
2020年9月30日 — The proton charge radius has been measured since the 1950s using elastic electron–proton scattering and ordinary hydrogen atomic ... https://www.nature.com |