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Chinese scientists new map of the Milky Way turns the tables on cosmic radiation theories

Researchers manage to use gamma rays to peek into the origins of cosmic radiation.

Kazumasa kawataVictor hessCosmic ray researchMilky waySquare kilometre arraySouth pole

Physics - Galaxy s Gamma Glow Illuminates Cosmic-Ray Origins

Interstellar magnetic fields perturb the trajectories of cosmic rays, making it difficult to identify their sources. A new survey of gamma radiation produced when cosmic rays interact with the interstellar medium should help in this identification.

Kazumasa kawataUniversity of tokyoKonan universityGalactic centerInstitute for cosmic ray researchJapan society for the promotion of scienceCosmic ray researchAlan stonebrakerMilky wayLarge high altitude air shower observatoryGamma ray hazeHaizi mountainIcecube collaborationNorthern skySouthern skySouthern hemisphere

High-energy particle accelerators within our galaxy discovered -- Science & Technology -- Sott net

Fri, 02 Apr 2021 17:48 UTC Move over, CERN. Unknown sources in the Milky Way dubbed PeVatrons accelerate protons to energies of a few peta-electronvolts - dozens of times higher than the yield of the Large Hadron Collider. Now, new data from a high-altitude experiment in Tibet confirm that such very-high-energy cosmic rays are indeed produced in our own galaxy. © APS; Background (atomic hydrogen distribution): HEASARC / LAMBDA / NASA / GFSC Ultra high-energy diffuse gamma rays (yellow points) are distributed along the Milky Way Galaxy. The gray shaded area indicates the area outside the detectors field of view. The results paint a much fuller picture of the PeVatron population in the Milky Way, says Pat Harding (Los Alamos National Laboratory), who was not involved in the study.

La palmaLos alamosUnited statesMilky wayMagallanesy antaica chilenaMasato takitaKelly malone los alamos national laboratoryAmerican physical societyKazumasa kawata university of tokyoPat harding los alamos national laboratoryLarge hadronPat hardingLos alamos national laboratoryPhysical review lettersMichigan techCygnus cocoon

Decades of hunting detects footprint of cosmic ray superaccelerators in our galaxy

Decades of hunting detects footprint of cosmic ray superaccelerators in our galaxy
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Zhuang jingTibetan plateauChina generalKazumasa kawataMasato takitaScience researchInstitute of high energy physicsShonan institute of technologyShibaura institute of technologyNational key rd program of chinaScientific research on priority areasNational natural science foundation of chinaConference scheduleResearch centerYokohama national univChinese academy of sciences