pion

n.

介子；

1. Two photons are created in the decay of the neutral pion.
   双光子是在中性兀介子衰变中产生的。

Viewpoint: Sustainability of Piñon-Juniper Ecosystems: A Unifying Perspective of Soil Erosion Thresholds
Q2-dependent parametrizations of pion parton distribution functions
Effective chiral lagrangians for nucleon-pion interactions and nuclear forces
Parton Coalescence and the Antiproton/Pion Anomaly at RHIC
A unitary isobar model for pion photo- and electroproduction on the proton up to 1 GeV ☆
Realistic models of pion-exchange three-nucleon interactions
Pion Scattering Lengths
Collective flow and two-pion correlations from a relativistic hydrodynamic model with early chemical freeze-out
Energy Dependence of Pion and Kaon Production in Central Pb+Pb Collisions
Initial Invasion of Cheatgrass (Bromus tectorum) into Burned Piñon-Juniper Woodlands in Western Colorado