ELASTIC SCATTERING OF ANTIPROTONS BY NUCLEI
The large annihilation cross section for antiprotons may be due either to a very strong attraction or to a very small mean free path in nuclear matter and a large nuclear rim of low density. In either case the nucleus must be considered black to antiprotons and the behavior of the beam in the nuclear boundary is important. It is shown that the anomalously small diffraction cross section observed in early experiments cannot be explained by a boundary effect if the real potential is not very large. Emulsion experiments have shown that the differential cross section near 2 deg is less than that predicted by Rutherford scattering. A similar discrepancy arises from assuming that the nucleus is a charged totally absorbing sphere. (auth)
- Research Organization:
- Cavendish Lab., Cambridge
- NSA Number:
- NSA-12-001749
- OSTI ID:
- 4329520
- Journal Information:
- Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 4
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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