The results of measuring the ratio R = Y(phi pi+pi-) /Y(omega pi+pi-) for antiproton annihilation at rest in a gaseous and a liquid hydrogen target are presented. It was found that the value of this ratio increases with the decrease of the dipion mass, which demonstrates the difference between the 4 and o production mechanisms. An indication of the momentum transfer dependence of the apparent OZI rule violation for the (b production from the ‘St initial state was found.
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Titolo: | New data on OZI rule violation in anti-p p annihilation at rest |
Autori: | |
Data di pubblicazione: | 1996 |
Rivista: | |
Abstract: | The results of measuring the ratio R = Y(phi pi+pi-) /Y(omega pi+pi-) for antiproton annihilation at rest in a gaseous and a liquid hydrogen target are presented. It was found that the value of this ratio increases with the decrease of the dipion mass, which demonstrates the difference between the 4 and o production mechanisms. An indication of the momentum transfer dependence of the apparent OZI rule violation for the (b production from the ‘St initial state was found. |
Handle: | http://hdl.handle.net/11571/446042 |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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