ppbar

proton and antiproton (used attributively to describe a collision or other interaction of these two particles)

Noun

  1. proton and antiproton (used attributively to describe a collision or other interaction of these two particles)
    • Comparisons with ppbar and pp data reveal improvement in the description of single diffractive events.. - 2015, Christine O. Rasmussen, Torbjörn Sjöstrand, “Hard Diffraction with Dynamic Gap Survival”, in arXiv:

Origin

p + pbar