@article{Hori:1371901,
author = "Hori, Masaki and Soter, Anna and Barna, Daniel and Andreas
Dax, and Hayano, Ryugo and Friedreich, Susanne and Juhász,
Bertalan and Pask, Thomas and Widmann, Eberhard and
Horváth, Dezső and Venturelli, Luca and Zurlo, Nicola",
title = "{Two-photon laser spectroscopy of antiprotonic helium and
the antiproton-to-electron mass ratio}",
archivePrefix = "arXiv",
eprint = "1304.4330",
journal = "Nature",
volume = "475",
pages = "484-488",
year = "2013",
url = "http://cds.cern.ch/record/1371901",
doi = "10.1038/nature10260",
}