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Details: frequently used expressions. Leading quark distributions. For gluons we have. QCD evolution. Evolution equations. For flavor singlet combinations we have coupled equations:. First momentum. Data from CERN, SLAC & HERMES. The isotopic SU(2) invariance of strong interactions,.
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Details: frequently used expressions AramKotzinian
Leading quark distributions For gluons we have AramKotzinian
QCD evolution AramKotzinian
Evolution equations For flavor singlet combinations we have coupled equations: AramKotzinian
First momentum AramKotzinian
Data from CERN, SLAC & HERMES AramKotzinian
The isotopic SU(2) invariance of strong interactions, We have two sum rules and can express AramKotzinian
Experiment: AramKotzinian
are determined as matrix elements of conserved currents and do not depend on AramKotzinian
Remember: Spin “puzzle”: or ???? AramKotzinian