Charm production from proton-proton collisions
Wei Liu, Che Ming Ko, Su Houng Lee
Abstract
We evaluate the cross sections for charmed hadron production from proton-proton reactions pp D0pΛc+ and pp D*0pΛc+ using a hadronic Lagrangian. With empirical coupling constants and cutoff parameters in the form factors, sum of their cross sections at center-of-mass energy of 11.5 GeV is about 1 μb and is comparable to measured inclusive cross section for charmed hadron production from proton-proton reactions. The cross section decreases to about 1 nb at 40 MeV above threshold.
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