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Charm production from proton–proton collisions

✍ Scribed by Wei Liu; Che Ming Ko; Su Houng Lee

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
262 KB
Volume
728
Category
Article
ISSN
0375-9474

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✦ Synopsis

We evaluate the cross sections for charmed hadron production from proton-proton reactions pp → p D0 Λ + c and pp → p D * 0 Λ + c 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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✍ H.M Georgi; S.L Glashow; M.E Machacek; D.V Nanopoulos 📂 Article 📅 1978 🏛 Elsevier Science 🌐 English ⚖ 954 KB

We estimate the cross section for charmed particle production in proton-proton scattering. An analysis of all possible sources of charmed particles reveals that the dominant mechanism at high energy involves the annihilation of constituent gluon partons. This process is as effective as the annihilat