Production of antihydrogen in relativistic collisions
The production of antihydrogen atoms H̄0 ≡ p̄e+ has been observed by the PS210 collaboration at LEAR. The method assumes an e+e- -pair creation via the two-photon mechanism in the antiproton-nucleus interaction. Neutral H̄0 atoms are identified by a unique sequence of characteristics. The typical signature of eleven produced antihydrogen atoms is reported including possibly 2±1 background signals. The observed yield agrees with theoretical predictions.
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Baur, G., Boero, G., Brauksiepe, S., Buzzo, A., Eyrich, W., Geyer, R., Grzonka, D., Hauffe, J., Kilian, K., LoVetere, M., Macri, M., Moosburger, M., Nellen, R., Oelert, W., Passagio, S., Pozzo, A., Röhrich, K., Sachs, K., Schepers, G., et al. (1997). Production of antihydrogen in relativistic collisions. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 391(1), 201–204. https://doi.org/10.1016/S0168-9002(96)01197-7
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1997
391
1
201
204
NON-REVIEWED
EPFL