Angular distribution of parton-parton scattering found from the production of hadron pairs in pp collisions at (s)1/2 = 11.5 GeV
Volkov A. A., Kostritskii A. V., Abramov V. V., Baldin B. Yu., Buzulutskov A. F., Glebov V. Yu., Goncharov P. I., Gruzhiev A. N., Dyshkant A. S., Evdokimov V. N., Efimov A. O., Korneev Yu. P., Krinitsyn A. N., Kryshkin V. I., Mel'nik Yu. M., Podstavkov V. M., Ronzhin A. I., Sulyaev R. M., Turchanovich L. K., Churakov V. V.,Yakutin A. E.
The angular distribution of the cross section for the production of symmetric hadron pairs with effective masses from 2.95 to 4.7 GeV/c2 has been measured on a two-arm spectrometer. The experimental data are compared with predictions of a model based on QCD.