Evidence for Anomalous Nuclei among Relativistic Projectile Fragments from Heavy-Ion Collisions at 2 GeV/Nucleon
- 29 September 1980
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 45 (13), 1084-1087
- https://doi.org/10.1103/physrevlett.45.1084
Abstract
Two independent emulsion experiments using Bevalac beams of and at ∼2 GeV/nucleon find with > 99.7% confidence that the reaction mean-free paths of projectile fragments, , are shorter for a few centimeters after their emission than at larger distances, or than predicted from experiments on beam nuclei. This effect, which is enhanced in later generations of fragments, can be interpreted by the relatively rare occurrence of fragments that interact with an unexpectedly large cross section.
Keywords
This publication has 10 references indexed in Scilit:
- Fragmentation ofHe4,C12,N14, andO16nuclei in nuclear emulsion at 2.1 GeV/nucleonPhysical Review C, 1978
- Production of hypernuclei in a 2.1 GeV/nucleon oxygen beamPhysical Review C, 1976
- Momentum Distributions of Isotopes Produced by Fragmentation of RelativisticandProjectilesPhysical Review Letters, 1975
- Nucleus-nucleus reaction cross sections at high energies: Soft-spheres modelPhysical Review C, 1975
- Further Study of the Anomalous Behavior of Secondary Particles Emitted from Heavy Primary InteractionsCanadian Journal of Physics, 1972
- The energy dependence of the fragmentation parameters and mean free paths of cosmic-ray nuclei withCanadian Journal of Physics, 1968
- Anomalous interactions of secondary particles emitted from relativistic heavy primary interactionsCanadian Journal of Physics, 1968
- Anomalous heavy primary cascades recorded on Viking 10 rocket flightIl Nuovo Cimento (1869-1876), 1957
- Nuclear disintegration cascades by heavy primariesIl Nuovo Cimento (1869-1876), 1957
- Nuclear disintegration cascade produced by a heavy primaryIl Nuovo Cimento (1869-1876), 1954