Boosting the t¯t charge asymmetry

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URI: http://hdl.handle.net/10481/30531
ISSN: 0370-2693
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Autor
Aguilar Saavedra, Juan Antonio; Juste, A.; Rubbo, F.
Editorial
Elsevier
Materia
Top quark
 
Asymmetry
 
Fecha
2012
Referencia bibliográfica
Aguilar-Saavedra, J.A.; Juste, A.; Rubbo, F. Boosting the t¯t charge asymmetry. Physics Letter B, 707(1): 92-98 (2012). [http://hdl.handle.net/10481/30531]
Patrocinador
This work has been partially supported by projects FPA2009-07496 and FPA2010-17915 ( MICINN), FQM 101 and FQM 437 ( Junta de Andalucía) and CERN/FP/116397/2010 ( FCT).
Resumen
We propose a kinematical enhancement of the tt charge asymmetry at the LHC by selecting events with the tt centre of mass frame highly boosted along the beam axis. This kinematical selection increases the asymmetries and their significance up to a factor of two in a rather model-independent fashion. Hence, it can be a perfect complement to enhance model discrimination at the LHC.
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