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Probing top anomalous couplings at the Tevatron and the Large Hadron Collider
Debajyoti Choudhury Pratishruti Saha
Volume 77 Issue 6 December 2011 pp 1079-1093
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https://www.ias.ac.in/article/fulltext/pram/077/06/1079-1093 -
Keywords
Top ;anomalous ;Tevatron ;Linear Hadron Collider. -
Abstract
Chromomagnetic and chromoelectric dipole interactions of the top quark are studied in a model-independent framework. Limits are set on the scale of new physics that might lead to such contributions using latest Tevatron measurements of the $t\bar{t}$ cross-section. It is demonstrated that the invariant mass distribution is a sensitive probe. Prospects at the LHC are examined. It is shown that, for unitarized amplitudes, an increase in the LHC energy is of little importance, while the accumulation of luminosity plays a crucial role.
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Author Affiliations
Debajyoti Choudhury1 Pratishruti Saha1
- Department of Physics and Astrophysics, University of Delhi, Delhi 110 007, India
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Dates
- Published
- December 2011
- Manuscript received
- 13 January 2011
- Manuscript revised
- 30 April 2011
- Accepted
- 19 May 2011
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Pramana – Journal of Physics
Volume 97, 2023
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