# ICHEP 2010

22-28 July 2010
Palais des Congrès de Paris
Europe/Paris timezone
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# Model independent analysis of the forward-backward asymmetry of top quark production at the Tevatron

Presented by Prof. Pyungwon KO on 23 Jul 2010 from 16:35 to 16:50
Type: Parallel Session Talk
Track: 10 - Beyond the Standard Model (theory and experimental searches)

## Content

Motivated by a possible anomaly in the forward-backward (FB) asymmetry of top quark (A_FB) observed at the Tevatron, we perform a model independent analysis on qqbar -> ttbar using an effective lagrangian with dim-6 four-quark operators. We derive necessary conditions on new physics structures and the couplings that are consistent with the $t\bar{t}$ production cross section and A_FB measured at the Tevatron, and discuss possible new physics scenarios that could generate such dim-6 operators.

## Place

Location:
Room: Salle Maillot

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## Co-authors

• Dr. Dong-Won JUNG Physics Department and CMTP, National Central University, Jhongli, Taiwan, 32054
• Dr. Soo-hyeon NAM Korea Institute of Science and Technology Information, Daejeon 305-806, Korea
• Dr. Jaesik LEE Physics Division, National Center for Theoretical Sciences, Hsinchu, Taiwan 300
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