Observation of "Peripheral" Backward Multipion Production at 2.15 BeV/c
- 1 September 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 23 (9), 491-496
- https://doi.org/10.1103/physrevlett.23.491
Abstract
Using the Princeton-Pennsylvania Accelerator rapid-cycling bubble chamber in a flash-lamp triggered mode we have observed backward () and () multipion production in the reaction at 2.15 BeV/c. The main characteristics of the data are a sharp forward peaking of the proton relative to the incident direction for all multipion masses below 1100 MeV/c and the strong production of the meson. Backward production is observed to be more probable than backward production. The sharp forward peaking of the proton in these reactions is suggestive of the dominance of baryon exchange.
Keywords
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