New Color-Octet Vector Boson?

Details New Color-Octet Vector Boson? New Color-Octet Vector Boson?

2010-10-31

arxiv.org/abs/1011.0152v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures, 1 table

Scientific paper

Both CDF and D0 at Tevatron reported the measurements of forward-backward asymmetry in top pair production, which showed possible deviation from the standard model QCD prediction. In this paper, we show that a new color-octet massive vector boson with mass just above twice that of top quark can simultaneously account for the asymmetry and differential distribution $d\sigma/dM_{t\bar t}$ in top pair production, without conflict with other measurements for example di-jet production. The new particle can be discovered and studied at the more powerful Large Hadron Collider.

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