St. Petersburg Polytechnic University Journal: Physics and Mathematics Научно-технические ведомости СПбГПУ. Физико-математические науки 2304-9782, 2618-8686, 2405-7223 8 Differential cross sections for production of light π, k, η,φ, η, φ mesons in p+p collisions at √S=200 GeV Дифференциальные сечения рождения π, k, η,φ, η, φ-мезонов в p+p взаимодействиях при энергии √S=200 ГэВ 0000-0003-0309-5917 Berdnikov Yaroslav berdnikov@spbstu.ru 0000-0003-3298-3702 Ivanishchev Dmitry ivanishchev_da@pnpi.nrcki.ru 0000-0002-3395-0454 Kotov Dmitry dmitriy.kotov@gmail.com Ryabov Victor Ryabov Yuri Samsonov Vladimir Peter the Great St. Petersburg Polytechnic University 19 12 2008 6 67 65 69

In this paper we present a systematic study of light mesons production in p+p collisions at = 200 GeV. We do not use any theoretical assumptions in our study. Our analysis is based on a universal functional dependence for the description of the measured inclusive spectra of particle production.