We also report the observation of the laser-driven 1S–2S transition in samples of laser-cooled antihydrogen atoms. The observed spectral line is approximately four times narrower than that obtained without laser cooling. The demonstration of laser cooling and its immediate application has far-...
have demonstrated laser cooling of antihydrogen atoms for the first time. The groundbreaking achievement produces colder antimatter than ever before and enables an entirely new class of experiments, helping scientists learn more about antimatter in the future. ...
Antihydrogen atoms have been laser-cooled for the first time, paving the way for precision studies that could reveal why there is much more matter that antimatter in the universe. The cooling was done by an international team of physicists at CERN in Switzerland, who used a new ty...
Cooling antihydrogen atoms is important for future experiments both to test the fundamental CPT symmetry bynhigh resolution laser spectroscopy and also to measure the gravitational acceleration of antimatter. Laser cooling of antihy-ndrogen can be done on the strong 1S–2P transition at the wavelength...
“We’re over the moon. About a decade ago, laser cooling of antimatter was in the realm of science fiction.” The ALPHA collaboration synthesises antihydrogen from cryogenic plasmas of antiprotons and positrons at CERN’s Antiproton Decelerator (AD), storing the antiatoms in a magnetic trap...
Bringing the power of tabletop precision lasers for quantum science to the chip scale For experiments that require ultra-precise measurements and control over atoms—think two-photon atomic clocks, cold-atom interferometer sensors and quantum gates—lasers are the technology of choice, the more spectra...
The movement of an antihydrogen atom in the ALPHA magnetic trap, before (gray) and after (blue)laser cooling. Courtesy of Chukman So, TRIUMF. “The antimatter atoms must be held in an extremely high vacuum in order to prevent them from annihilating with residual gases,” said Makoto Fujiwar...
M. Amoretti et al.: Production and detection of cold antihydrogen atoms. Nature 419, 456 (2002) Article ADS Google Scholar G. Gabrielse, N.S. Bowen, P. Oxley, A. Speck, C.H. Storry, J.N. Tan, M. Wessels, D. Grzonka, W. Oelert, G. Schepers, T. Sefxick, J. Walz, H...
They suggested using these “microimplosions” both to generate energy for civilian use and to simulate the implosion of a hydrogen bomb, which involves similar processes. Since then, Livermore has built a series of lasers to test and refine these theories, primarily for the U.S. government’...
1.2 Hyperfine transitions and cooling of atoms A significant advancement has been observed in the experimental investigations of atomic hyperfine splitting during the last few years. There is an enormous expansion in the number of atomic states whose hyperfine splitting has been investigated and several...