pbar

English

Noun

pbar (plural pbars)

  1. Abbreviation of picobar.
  2. (physics) antiproton
    • 2015, Yi-Qing Guo, Zhen Tian, Chao Jin, “Spatial-Dependent Diffusion of Cosmic Rays and the Ratio of pbar/p, B/C”, in arXiv‎:
      As a result, we can reproduce the spectral hardening of proton, electron and the flat ratio of pbar/p and B/C by only adopting the spatial-dependent propagation coefficient D(r,z,\rho) in galactic disk.

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