Some consequences of the S/P wave problem after the rst measurements of the branching ratios of two-meson final states in gaseous hydrogen at various pressures (2 mbar, 5 mbar, 1 atm) performed using the OBELIX apparatus are discussed. In particular, the ppBAR --> pi0pi0 branching ratio at 1 atm allows for the determination of the P-wave percentage at that pressure in a way independent from previous methods.
The 2-body Final-state From (n)over-bar-n Annihilation In Gaseous-hydrogen and the S/p Wave Problem
BALESTRA, Ferruccio;BONAZZOLA, Giancarlo;BOTTA, Elena;BRESSANI, Tullio;BUSSA, Maria Pia;BUSSO, Luigi;COSTA, Sergio;FERRERO, Livio;GARFAGNINI, Raffaello;GRASSO, Antonino;MARCELLO, Simonetta;PANZIERI, Daniele;PIRAGINO, Guido;ZOSI, Gianfranco
1994-01-01
Abstract
Some consequences of the S/P wave problem after the rst measurements of the branching ratios of two-meson final states in gaseous hydrogen at various pressures (2 mbar, 5 mbar, 1 atm) performed using the OBELIX apparatus are discussed. In particular, the ppBAR --> pi0pi0 branching ratio at 1 atm allows for the determination of the P-wave percentage at that pressure in a way independent from previous methods.
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