1
There are pion interactions of a specific sort that might yield unmistakable data now.
2
Poverty compelled the son to seek the wretched post of usher (pion) in a school at Alais.
3
That's like a pion, but pions can be deceiving and in this case they have formed a kaon instead.
4
The source parameters extracted from these functions at low k(T) give first indications of a long tail for the pion emission source.
5
Once the pion's mass is decreased, or increased for that matter, it is, effectively, part of another Universe; it becomes a gateway, a crossing point.
1
It was originally thought to be a type of meson (the mu meson, as distinct, say, from the pi meson), but was later renamed.