Forward-backward asymmetry of hadroproduced heavy quarks in QCD

F. Halzen, P. Hoyer, C. S. Kim

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45 Citations (Scopus)


It has been argued that higher order 2→3 O(αs3 QCD processes play an important role in the hadroproduction of heavy quarks. We propose forward-backward or charge conjugation asymmetry as a distinctive signature of the higher-order QCS production mechanism. We analyse the physical origin of the asymmetries and show that observed forward-backward asymmetries for the heavy quark or decay lepton are 5% or less for realistic experimental conditions. Observation of asymmetries in excess of our calculated values would signal the production of heavy quarks via unconventional mechanisms.

Original languageEnglish
Pages (from-to)74-77
Number of pages4
JournalPhysics Letters B
Issue number1
Publication statusPublished - 1987 Aug 27

Bibliographical note

Funding Information:
This research was supported in part by the University of Wisconsin Research Committee with funds granted by the Wisconsin Alumni Research Foundation, and in part by the US Department of Energy under contract DE-AC02-76ER00881.

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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