Observation of the Coulomb interaction effect in pion pairs from the reaction p Ta ---> pi+ pi- X at proton energy 70-GeVстатья
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Аннотация:Pion pair production from the proton-tantalum nuclear interaction at proton energy 70 GeV has been studied. Pion correlations as a function of the relative momentum in a pair CMS have been measured at the relative momentum region below 40 MeV/ c. The experimental data agree with the calculation that takes into account the Coulomb factor in the differential cross section of pion pairs production.