Fundamental Tests of Physics with Antihydrogen at ALPHA

Daniel Luiz Miranda,C. L. Cesar,R. L. Sacramento, Mostafa Ahmadi,P. J. Nolan, Petteri Pusa,Marcelo Baquero-Ruiz,C. Carruth, A. E. Charman,L. T. Evans,Joel Fajans, A. Povilus, Chukman So,Jonathan Wurtele,Andrey Zhmoginov,William Bertsche,Eoin Butler,Akira Ishida,A. Capra, S. Menary, M. Charlton,Stefan Eriksson,C. A. Isaac, Steve Jones,Niels Madsen, D. Maxwell,M. Sameed,Dirk Peter van der Werf,N. Evetts,Andrea Gutierrez,Walter Hardy, T. Friesen,J. S. Hangst, Chris O. Rasmussen,Timothy D. Tharp,Makoto Fujiwara, D. R. Gill,Leonid Kurchaninov,Joseph Mckenna,Juan M. Michan, K. Olchanski,A. Olin,Michael E. Hayden, Justine J. Munich,Svante Jonsell,Takamasa Momose,Francis Robicheaux,E. Sarid,Robert Thompson

Latin America Optics and Photonics Conference (2016), paper LTu3B.1（2016）

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摘要

Magnetically trapped antihydrogen atoms at low temperatures were used to test the charge neutrality of this antiatomic system, by precisely placing a limit to its electrical charge. A new method for measuring the gravitational interaction of antimatter was also developed, and prospects for making a precise measurement of this interaction are discussed. Finally, progress towards a precise, direct test of CPT symmetry by laser spectroscopy of antihydrogen is presented.

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Neutron Lifetime Measurement

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