St. Petersburg Polytechnic University Journal: Physics and Mathematics Научно-технические ведомости СПбГПУ. Физико-математические науки 2304-9782, 2618-8686, 2405-7223 22 Light mesons production in proton-proton collisions at 500 GeV Рождение легких нейтральных мезонов в столкновениях протонов при энергии 500 ГэВ 0000-0003-3298-3702 Ivanishchev Dmitry ivanishchev_da@pnpi.nrcki.ru Ivanov Alexey alexey.ivanov86@gmail.com 0000-0002-3395-0454 Kotov Dmitry dmitriy.kotov@gmail.com Safonov Alexey Peter the Great St. Petersburg Polytechnic University 10 06 2013 2 170 163 170

The result of invariant differential cross sections measurement of π0-, ω-, Ks- и φ-mesons in proton-proton collisions at 500 GeV is presented. The experimental results are compared with QCD calculations.

 proton collisions mesons production light quarks analysis