Published in Science · View the paper (DOI)
Researchers used the HAWC Observatory to study two nearby pulsars, Geminga and PSR B0656+14, which produced high-energy positrons in cosmic rays. The analysis found that while pulsar radiation contributed some positrons, it was not enough to explain the excess.
Coverage from 3 institutions
- Nearby pulsars shed light on the antimatter puzzle The Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences · Nov 16, 2017 · first to report
- On the origins of star stuff: HAWC collaboration sheds light on origin of anti-matter Michigan Technological University · Nov 16, 2017
- Influx of earth-bound positrons must have exotic origin, study suggests American Association for the Advancement of Science (AAAS) · Nov 16, 2017