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Interference effects in heavy W'-boson searches at the LHC

Accomando, Elena, Becciolini, Diego, De Curtis, Stefania, Dominici, Daniele and Fedeli, Luca (2011) Interference effects in heavy W'-boson searches at the LHC Physical Review D, 85, (11), p. 115017. (doi:10.1103/PhysRevD.85.115017).

Record type: Article

Abstract

Interference effects are widely neglected in searches for new physics. This is the case in recent publications on searches for W?-bosons using leptonic final states. We examine the effects of interference on distributions frequently used to determine mass limits for possible W?-bosons and show that there are important qualitative effects on the behaviour of the new physics signal. There are two main consequences. The first is that current exclusion limits, where interferences effects have not been considered, are likely to have been overestimated. The second is that the way observed limits on the cross-section are presented, in terms of the contribution of new physics to the total cross-section, is not meaningful.

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Published date: October 2011
Organisations: Theoretical Partical Physics Group

Identifiers

Local EPrints ID: 339112
URI: http://eprints.soton.ac.uk/id/eprint/339112
ISSN: 1550-7998
PURE UUID: d5b87f99-642f-47ec-a2af-b73760251b53

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Date deposited: 24 May 2012 09:18
Last modified: 18 Jul 2017 05:54

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Contributors

Author: Elena Accomando
Author: Diego Becciolini
Author: Stefania De Curtis
Author: Daniele Dominici
Author: Luca Fedeli

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