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Greisen-Zatsepin-Kuzmin limit
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English
Alternative forms
en Greisen-Zatsepin-Kuzmin Limit
Etymology
From the surnames of the three physicists who proposed this en limitation on the long distance travel of energetic particles. From en Greisen + Zatsepin + Kuzmin. Named after the American physicist en Kenneth Greisen, and the Soviet physicists en Georgiy Zatsepin, and en Vadim Kuzmin (physicist) Vadim Kuzmin. The Soviet and the American teams each discovered the limit separately in the 1960s, being independently computed in 1966.
Proper noun
1
en astronomy physics A theoretical upper limit on the energy of cosmic ray protons travelling from other galaxies through the intergalactic medium to the Milky Way.
Synonyms
en abbreviated form GZK limit GZK Limit GZK
en Greisen-Zatsepin-Kuzmin cutoff Greisen-Zatsepin-Kuzmin cut-off Greisen-Zatsepin-Kuzmin cut off Greisen-Zatsepin-Kuzmin Cutoff Greisen-Zatsepin-Kuzmin Cut-off Greisen-Zatsepin-Kuzmin Cut-Off Greisen-Zatsepin-Kuzmin Cut Off
en short form GZK cutoff GZK cut-off GZK cut off GZK Cutoff GZK Cut-off GZK Cut-Off GZK Cut Off
Coordinate terms
en EECR (class of particles over this limit) zevatron (placeholder name for that which accelerates particles above this limit) OMG particle (the most energetic EECR discovered so far)
Related terms
en GZK GZK horizon GZK mechanism Greisen-Zatsepin-Kuzmin horizon Greisen-Zatsepin-Kuzmin mechanism
en eponyms