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Showing 1–10 of 10 results
Advanced filters: Author: S. Stracka Clear advanced filters

  • Antihydrogen studies are important in testing the fundamental principles of physics but producing antihydrogen in large amounts is challenging. Here the authors demonstrate an efficient and high-precision method for trapping and stacking antihydrogen by using controlled plasma.

    • M. Ahmadi
    • B. X. R. Alves
    • J. S. Wurtele
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-6

  • The hyperfine splitting of antihydrogen has been measured and is consistent with expectations for atomic hydrogen.

    • M. Ahmadi
    • B. X. R. Alves
    • J. S. Wurtele
    ResearchOpen Access
    Nature
    Volume: 548, P: 66-69

  • Magnetically confined neutral antihydrogen atoms released in a gravity field were found to fall towards Earth like ordinary matter, in accordance with Einstein’s general theory of relativity.

    • E. K. Anderson
    • C. J. Baker
    • J. S. Wurtele
    ResearchOpen Access
    Nature
    Volume: 621, P: 716-722

  • The accurate determination of quark mixing parameters is essential for the understanding of the Standard Model. The LHCb collaboration now reports the coupling strength of the b quark to the u quark through the measurement of a baryonic decay mode.

    • R. Aaij
    • B. Adeva
    • L. Zhong
    ResearchOpen Access
    Nature Physics
    Volume: 11, P: 743-747

  • CP violation has deep implications for particle physics and cosmology. Previously observed only in meson decays, signs of CP violation have now been spotted in baryon decays by analysing the proton–proton collision data from the LHCb detector.

    • R. Aaij
    • B. Adeva
    • S. Zucchelli
    ResearchOpen Access
    Nature Physics
    Volume: 13, P: 391-396

  • These authors demonstrate resonant quantum transitions in a pure antimatter atom—antihydrogen—by using microwave radiation to flip the spin of the positron of an anti-atom in a magnetic trap, thus ejecting the anti-atom.

    • C. Amole
    • M. D. Ashkezari
    • J. S. Wurtele
    Research
    Nature
    Volume: 483, P: 439-443

  • The 1S–2S transition in magnetically trapped atoms of antihydrogen is observed, and its frequency is shown to be consistent with that expected for hydrogen.

    • M. Ahmadi
    • B. X. R. Alves
    • J. S. Wurtele
    ResearchOpen Access
    Nature
    Volume: 541, P: 506-510

  • Combined analysis of proton-proton collision data from the Large Hadron Collider at CERN by the CMS and LHCb collaborations leads to the observation of the extremely rare decay of the strange B meson into muons; the result is compatible with the standard model of particle physics, and does not show any signs of new physics, such as supersymmetry.

    • V. Khachatryan
    • A.M. Sirunyan
    • E. Pesen
    ResearchOpen Access
    Nature
    Volume: 522, P: 68-72

  • The DarkSide-20k collaboration reports the sensitivity of its detector, currently under construction, to models predicting light dark matter particles. This includes Weakly Interacting Massive Particles and particles interacting with bound electrons of argon atoms.

    • F. Acerbi
    • P. Adhikari
    • M. P. Zykova
    ResearchOpen Access
    Communications Physics
    Volume: 7, P: 1-9