The story of antimatter
  1. 30/06/1905

    Albert Einstein publishes his theory of Special Relativity

    On 30 June 1905 the German physics journal…

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  2. 07/04/1912

    Victor Hess discovers cosmic rays

    In 1911 and 1912 Austrian physicist Victor Hess…

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  3. 27/01/1926

    Erwin Schrödinger and Werner Heisenberg devise a quantum theory

    In the 1920s, physicists were trying to apply…

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  4. 02/01/1928

    Dirac's equation predicts antiparticles

    In 1928, British physicist Paul Dirac wrote down…

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  5. 09/09/1932

    Carl Anderson discovers the positron

    In 1932 Carl Anderson, a young professor at the…

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  6. 02/02/1934

    Ernest Lawrence patents the cyclotron

    In 1929 Ernest Lawrence – then associate…

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  7. 01/04/1954

    The Bevatron starts up at Berkeley, California

    The Bevatron in 1958 (Image: Lawrence Berkeley…

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  8. 01/11/1955

    The Bevatron discovers the antiproton

    A paper titled "Observation of antiprotons," by…

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  9. 03/10/1956

    The Bevatron discovers the antineutron

    The journal Physical Review receives the paper…

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  10. 27/07/1964

    Cronin and Fitch detect a difference between matter and antimatter

    In 1964, James Cronin and Val Fitch at Brookhaven…

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  11. 01/09/1965

    First observations of antinuclei

    By 1965, all three particles that make up atoms (…

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  12. 18/08/1978

    First storage of antiprotons

    CERN issues a press release announcing the first…

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  13. 04/04/1981

    First proton-antiproton collisions

    The Intersecting Storage Rings produced the world…

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  14. 15/09/1995

    First antiatoms produced: antihydrogen, at CERN

    A team led by Walter Oelert created atoms of…

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  15. 07/02/1997

    Antiproton Decelerator approved

    In 1996 CERN's antiproton machines – the…

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  16. 18/09/2002

    ATHENA and ATRAP create "cold" antimatter

    Two CERN experiments, ATHENA and ATRAP, created…

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  17. 05/06/2011

    ALPHA traps antimatter atoms for 1000 seconds

    The ALPHA experiment at CERN reported today that…

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  18. 28/07/2011

    ASACUSA weighs antimatter to one part in a billion

    In a paper published today in the journal Nature…

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  19. 28/09/2011

    CERN sets course for extra-low-energy antiprotons

    The kick-off meeting for ELENA, the Extra Low…

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  20. 25/03/2013

    ATRAP experiment makes world’s most precise measurement of antiproton magnetic moment

    In Physical Review Letters, the Antihydrogen TRAP…

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  21. 23/04/2013

    LHCb experiment observes new matter-antimatter difference

    The LHCb collaboration at CERN publishes a paper…

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  22. 30/04/2013

    ALPHA first direct analysis on how antimatter is affected by gravity

    The ALPHA collaboration at CERN1 has published a…

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  23. 03/06/2014

    CERN’s ALPHA experiment measures charge of antihydrogen

    In a paper published in the journal Nature…

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  24. The Penning trap system used by the BASE experiment
    A cut-away schematic of the Penning trap system used by BASE. The experiment receives antiprotons from CERN's AD; negative hydrogen ions are formed during injection into the apparatus. (Image: CERN)
    12/08/2015

    The BASE experiment at CERN compares protons and antiprotons with high precision

    Geneva, 12 August 2015. In a paper published…

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  25. Electrostatic protocol treatment lens. The purpose of this device is to transport Antiprotons from the new ELENA storage beam to all AD experiments. The electrostatic device was successfully tested in ASACUSA two weeks ago.
    The ASACUSA experiment (Image: CERN) (Image: CERN)
    03/11/2016

    ASACUSA experiment improves precision of antiproton mass measurement with new innovative cooling…

    The ASACUSA experiment at CERN reports in Science…

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  26. Alpha Experiment in 2016
    Alpha Experiment (Image: CERN)
    19/12/2016

    ALPHA experiment observes the light spectrum of antimatter for the first time

    The ALPHA collaboration reports in Nature the…

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  27. Stefan Ulmer - Spokeperson of BASE experiment
    Stefan Ulmer - Spokeperson of BASE experiment (Image: CERN)
    18/10/2017

    The BASE experiment breaks its own precision measurement record of antiproton’s magnetic moment

    The BASE collaboration, publishes today in Nature…

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