pion
英 ['paɪɒn] 美 ['paɪɒn]

n.

介子；

英英释义

pion[ 'paiɔn ]

• n.a meson involved in holding the nucleus together; produced as the result of high-energy particle collision

  同义词：pi-meson

双语例句

用作名词(n.)

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。

权威例句

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