AN OBSERVATIONAL DETERMINATION OF THE PROTON TO ELECTRON MASS RATIO IN THE EARLY UNIVERSE**Based on observations made with ESO Telescopes at the La Silla or Paranal Observatories under program IDs 68.A-0106 and 70.A-0017. Academic Article uri icon

published proceedings

  • The Astrophysical Journal

author list (cited authors)

  • Thompson, R. I., Bechtold, J., Black, J. H., Eisenstein, D., Fan, X., Kennicutt, R. C., ... Shirley, Y. L.

complete list of authors

  • Thompson, Rodger I||Bechtold, Jill||Black, John H||Eisenstein, Daniel||Fan, Xiaohui||Kennicutt, Robert C||Martins, Carlos||Prochaska, J Xavier||Shirley, Yancey L

publication date

  • October 2009