negatron

When all of its kinetic energy is spent, a negative beta particle (negatron) becomes an ordinary electron and has no more effect on the body.

Public Health Statement for Ionizing Radiation 2008

The dog obeyed instantly; more negatron-blasts were thundering and blazing and steaming on the crest of the ridge.

The Keeper H. Beam Piper 1934

At last, the negatron-pistol fell from Vahr's fingers, and the arm that had been trying to fend off his knife relaxed.

The Keeper H. Beam Piper 1934

Remembering the melted brass studs on Bold's collar, he became more frightened at the thought of what a negatron-blast could do to the Crown.

The Keeper H. Beam Piper 1934

They had two rifles, one an autoloader, and they had in all likelihood three negatron pistols.

The Keeper H. Beam Piper 1934

By now, Vahr would have a negatron pistol too, taken from the body of the man in blue, but it wasn't a weapon he was accustomed to, and he'd be more than a little afraid of it.

The Keeper H. Beam Piper 1934

So he and Brave began climbing, and after a while he could no longer hear the negatron pistols.

The Keeper H. Beam Piper 1934

As he listened, he heard it again, and this time he recognized it -- negatron pistols.

The Keeper H. Beam Piper 1934

That the men had negatron pistols meant little -- Raud was the Keeper ....

The Keeper H. Beam Piper 1934

The one in the lead had had a negatron pistol drawn, and when Bold had leaped at them, he had been blasted.

The Keeper H. Beam Piper 1934