Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-10-07
Phys.Rev. D61 (2000) 115007
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages in RevTex and 4 PS-files for the figures. Paramemter range is changed, and some references are added. Version for pub
Scientific paper
10.1103/PhysRevD.61.115007
We study the top quark pair production process p+p(anti-p)-->top+antitop in various kinds of technicolor (TC) models at the Fermilab Tevatron Run II and the CERN LHC. The s-channel neutral pseudo-Goldstone bosons (PGB's) contribute dominately to the production amplitudes from its coupling to the gluons through the triangle loops of techniquarks and the top quark. Cross sections in different TC models with s-channel PGB contributions are calculated. It is shown that the PGB effects can be experimentally tested and different TC models under consideration can be distinguished at the LHC. Therefore, the p+p-->top+antitop process at the LHC provides feasible tests of the TC models.
Kuang Yu-Ping
Wang Xue-Lei
Zhang Ling
Zhou Hong-Yi
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