A measurement of the total cross section for the reaction p-bar p → π+π− has been performed for seven values of the incident momentum between 158 and 275 MeV/c. The values obtained, if compared with previous results at higher momenta, agree with a 1/ß dependence. The differential cross section sssumed over the whole incident momentum range has also been measured and the result of a fit by Legendre polynomials is given.
A measurement of the reaction p-bar p -> pi+ pi- for 158<= p(p-bar) < 275 MeV/c
CARLIN, ROBERTO;GASPARINI, FABRIZIO;LIMENTANI, SILVIA;MENEGUZZO, ANNA TERESA;STROILI, ROBERTO;VOCI, CESARE;
1987
Abstract
A measurement of the total cross section for the reaction p-bar p → π+π− has been performed for seven values of the incident momentum between 158 and 275 MeV/c. The values obtained, if compared with previous results at higher momenta, agree with a 1/ß dependence. The differential cross section sssumed over the whole incident momentum range has also been measured and the result of a fit by Legendre polynomials is given.
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