Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-09-23
Phys.Rev.D70:115015,2004
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, 16 figures, a few typos have been corrected, the final version to be appear in PRD
Scientific paper
10.1103/PhysRevD.70.115015
In theories with large extra dimensions, we study the top spin correlations at the Large Hadron Collider. The s-channel process mediated by graviton Kaluza-Klein modes contributes to the top-antitop pair production in addition to the Standard Model processes, and affects the resultant top spin correlations. We calculated the full density matrix for the top-antitop pair production. With the fundamental scale of the extra dimensional theory below 2 TeV, we find a sizable deviation of the top spin correlations from the Standard Model one.
Arai Masato
Okada Nobuchika
Simak Vladislav
Smolek Karel
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