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Z' signals in polarised top-antitop final states

Z' signals in polarised top-antitop final states
Z' signals in polarised top-antitop final states
We study the sensitivity of top-antitop samples produced at all energy stages of the Large Hadron Collider (LHC) to the nature of an underlying Z' boson, in presence of full tree level standard model (SM) background effects and relative interferences. We concentrate on differential mass spectra as well as both spatial and spin asymmetries thereby demonstrating that exploiting combinations of these observables will enable one to distinguish between sequential Z's and those pertaining to Left-Right symmetric models as well as E6 inspired ones, assuming realistic final state reconstruction efficiencies and error estimates.
hep-ph
24
Basso, L.
c9d03f26-0be7-487c-8810-ae3b9ffa924c
Mimasu, K.
4df8b481-263e-4185-89b8-32cbd43b7c26
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Basso, L.
c9d03f26-0be7-487c-8810-ae3b9ffa924c
Mimasu, K.
4df8b481-263e-4185-89b8-32cbd43b7c26
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614

Basso, L., Mimasu, K. and Moretti, S. (2012) Z' signals in polarised top-antitop final states. Journal of High Energy Physics, 1209, 24. (doi:10.1007/JHEP09(2012)024).

Record type: Article

Abstract

We study the sensitivity of top-antitop samples produced at all energy stages of the Large Hadron Collider (LHC) to the nature of an underlying Z' boson, in presence of full tree level standard model (SM) background effects and relative interferences. We concentrate on differential mass spectra as well as both spatial and spin asymmetries thereby demonstrating that exploiting combinations of these observables will enable one to distinguish between sequential Z's and those pertaining to Left-Right symmetric models as well as E6 inspired ones, assuming realistic final state reconstruction efficiencies and error estimates.

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More information

Published date: 12 March 2012
Additional Information: 21 pages, 6 colour figures, 10 tables
Keywords: hep-ph
Organisations: Theory Group, Physics & Astronomy

Identifiers

Local EPrints ID: 356689
URI: https://eprints.soton.ac.uk/id/eprint/356689
PURE UUID: b2cc5890-4d69-47ab-901d-33a67d34ed7c

Catalogue record

Date deposited: 23 Sep 2013 13:29
Last modified: 18 Jul 2017 03:37

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