Volume 54, Number 4, May 2001
|Page(s)||443 - 448|
|Published online||01 December 2003|
Limits on the low-energy antinucleon-nucleus annihilations from the Heisenberg principle
Dipartimento di Chimica e Fisica per l'Ingegneria e per i
Materiali Università di Brescia - via Valotti 9, 25123
Brescia, Italy and INFN, Sezione di Pavia - Italy
Accepted: 9 March 2001
We show that the quantum uncertainty principle puts some limits on the effectiveness of the antinucleon-nucleus annihilation at very low energies. This is caused by the fact that a very effective short-distance reaction process implies information on the relative distance of the reacting particles. Some quantitative predictions are possible on this ground, including the approximate A-independence of -nucleus annihilation rates.
PACS: 25.43.+t – Antiproton-induced reactions
© EDP Sciences, 2001
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