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In this research, the production cross sections for QCD matter, neutrino anddark energy due to acceleration of Universe is calculated. To obtain thesecross sections, the Universe production cross section is multiplied by theparticle or dark energy distribution in accelerating Universe. Also missingcross section for each matter and dark energy due to formation of eventhorizon, is calculated. It is clear that the cross section of particlesproduced near event horizon of Universe is much larger for higher accelerationof Universe. This is because as the acceleration of Universe becomes larger,the Unruh temperature becomes larger and the thermal radiations of particlesare enhanced. There are different channels for producing Higgs boson inaccelerating Universe. Universe maybe decay to quark and gluons, and then theseparticles interact with each other and Higgs boson is produced. Also, someHiggs boson are emitted directly from event horizon of Universe. ComparingHiggs boson cross sections via different channels, it is observed that at loweracceleration, a_Universe<2.5 a_(early Universe), the Universe will not be ableto emit Higgs, but is still able to produce a quark and eventually fora_Universe<1.5 a_(early Universe) the Universe can only emit massless gluons.As the acceleration of Universe at the LHC increases, a_Universe>2.5 a_(earlyUniverse), most of Higgs boson production will be due to Unruh effect nearevent horizon of Universe. Finally comparing the production cross section fordark energy with particle cross sections, it is found that the cross sectionfor dark energy is dominated by QCD matter, Higgs boson and neutrino. Thisresult is consistent with previous predictions for dark energy cross section.

Comparing Production Cross Sections for QCD Matter, Higgs Boson, Neutrino with Dark Energy in Accelerating Universe